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TRANSCRIPT
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
2 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
bull Energy efficient lighting
ndash Energy efficient fixtures additional blackboard lighting
bull Light for better learning
ndash Possibility to shift color temperature to bluish and to increase lighting level
beyond standard requirements additional blackboard lighting
raquo daylight responsive controls and occupancy sensors for ambient lighting
ambient lighting
4 x Trilux 5041 (RPX-L354980 EDD)
equipped with 1 x 35 W T16
and dimmable electronic ballast
blackboard lighting
2 x Trilux 5041 (RAV-L354980 E)
equipped with 1 x 80 W T16
and electronic ballast
4 x Trilux Valuco active
equipped with 1 x 35 W T16 for ambient
lighting and 2 x 49 W T16 for activating
light dimmable electronic ballast
blackboard lighting
2 x Trilux 5041 (RAV-L354980 E)
equipped with 1 x 80 W T16
and electronic ballast
Lighting retrofit in selected classrooms of
Koumlnigin-Luise-Schule Berlin
Pictures of luminaires
Trilux (wwwtriluxcom)
This lighting renovation was part of a research
project of TU-Berlin IBUS and Chariteacute with Trilux
3 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 120 Energy efficient lighting
Classroom 120 before renovation Classroom 120 after renovation
4 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 99 Wmsup2 53 Wmsup2 47 Wmsup2 138 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 153 453 315
gross window area ARB 623 msup2 623 msup2 623 msup2 623 msup2 623 msup2
area of daylighting zone ATL 2987 msup2 2987 msup2 2987 msup2 2987 msup2 2987 msup2
area of electric lighting zone AKTL 251 msup2 251 msup2 251 msup2 251 msup2 251 msup2
daylight factor for structure DRb 34 34 34 34 34
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 070 070 070 070 067
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 059 059 059 059 056
factor of daylight responsive controls CTLKon 063 05 0781 05 05
reduction factor for daylighting FTL 063 071 054 071 072
expenditure figure daylight elTLKon - - 126 159 154
factor of occupancy responsive controls CpraumlKon 071 050 095 050 050
reduction factor for occupancy FPrauml 082 088 076 088 088
expenditure figure - occupancy elPraumlsKon 110 117 102 117 117
reduction factor for maintenance FKL 095 100 090 100 090
expenditure figure - maintenance elPraumlsKon 106 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 701 h 863 h 518 h 863 h 790 h
eff operation time (night) teffNacht 2 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1099 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 235 kWha 152 kWha 84 kWha 400 kWha 243 kWha
specific final energy use per squaremeter Qlbn 65 kWhmsup2a 42 kWhmsup2a 23 kWhmsup2a 111 kWhmsup2a 68 kWhmsup2a
expenditure figure for lighting el - - 196 934 566
Classroom 120 Energy efficient lighting
The calculation according to DIN V
18599-4 2011-12 includes no method
for lighting on a vertical plane
5 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 14 Light for better learning
Classroom 14 before renovation Classroom 14 after renovation
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
2 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
bull Energy efficient lighting
ndash Energy efficient fixtures additional blackboard lighting
bull Light for better learning
ndash Possibility to shift color temperature to bluish and to increase lighting level
beyond standard requirements additional blackboard lighting
raquo daylight responsive controls and occupancy sensors for ambient lighting
ambient lighting
4 x Trilux 5041 (RPX-L354980 EDD)
equipped with 1 x 35 W T16
and dimmable electronic ballast
blackboard lighting
2 x Trilux 5041 (RAV-L354980 E)
equipped with 1 x 80 W T16
and electronic ballast
4 x Trilux Valuco active
equipped with 1 x 35 W T16 for ambient
lighting and 2 x 49 W T16 for activating
light dimmable electronic ballast
blackboard lighting
2 x Trilux 5041 (RAV-L354980 E)
equipped with 1 x 80 W T16
and electronic ballast
Lighting retrofit in selected classrooms of
Koumlnigin-Luise-Schule Berlin
Pictures of luminaires
Trilux (wwwtriluxcom)
This lighting renovation was part of a research
project of TU-Berlin IBUS and Chariteacute with Trilux
3 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 120 Energy efficient lighting
Classroom 120 before renovation Classroom 120 after renovation
4 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 99 Wmsup2 53 Wmsup2 47 Wmsup2 138 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 153 453 315
gross window area ARB 623 msup2 623 msup2 623 msup2 623 msup2 623 msup2
area of daylighting zone ATL 2987 msup2 2987 msup2 2987 msup2 2987 msup2 2987 msup2
area of electric lighting zone AKTL 251 msup2 251 msup2 251 msup2 251 msup2 251 msup2
daylight factor for structure DRb 34 34 34 34 34
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 070 070 070 070 067
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 059 059 059 059 056
factor of daylight responsive controls CTLKon 063 05 0781 05 05
reduction factor for daylighting FTL 063 071 054 071 072
expenditure figure daylight elTLKon - - 126 159 154
factor of occupancy responsive controls CpraumlKon 071 050 095 050 050
reduction factor for occupancy FPrauml 082 088 076 088 088
expenditure figure - occupancy elPraumlsKon 110 117 102 117 117
reduction factor for maintenance FKL 095 100 090 100 090
expenditure figure - maintenance elPraumlsKon 106 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 701 h 863 h 518 h 863 h 790 h
eff operation time (night) teffNacht 2 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1099 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 235 kWha 152 kWha 84 kWha 400 kWha 243 kWha
specific final energy use per squaremeter Qlbn 65 kWhmsup2a 42 kWhmsup2a 23 kWhmsup2a 111 kWhmsup2a 68 kWhmsup2a
expenditure figure for lighting el - - 196 934 566
Classroom 120 Energy efficient lighting
The calculation according to DIN V
18599-4 2011-12 includes no method
for lighting on a vertical plane
5 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 14 Light for better learning
Classroom 14 before renovation Classroom 14 after renovation
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
3 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 120 Energy efficient lighting
Classroom 120 before renovation Classroom 120 after renovation
4 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 99 Wmsup2 53 Wmsup2 47 Wmsup2 138 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 153 453 315
gross window area ARB 623 msup2 623 msup2 623 msup2 623 msup2 623 msup2
area of daylighting zone ATL 2987 msup2 2987 msup2 2987 msup2 2987 msup2 2987 msup2
area of electric lighting zone AKTL 251 msup2 251 msup2 251 msup2 251 msup2 251 msup2
daylight factor for structure DRb 34 34 34 34 34
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 070 070 070 070 067
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 059 059 059 059 056
factor of daylight responsive controls CTLKon 063 05 0781 05 05
reduction factor for daylighting FTL 063 071 054 071 072
expenditure figure daylight elTLKon - - 126 159 154
factor of occupancy responsive controls CpraumlKon 071 050 095 050 050
reduction factor for occupancy FPrauml 082 088 076 088 088
expenditure figure - occupancy elPraumlsKon 110 117 102 117 117
reduction factor for maintenance FKL 095 100 090 100 090
expenditure figure - maintenance elPraumlsKon 106 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 701 h 863 h 518 h 863 h 790 h
eff operation time (night) teffNacht 2 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1099 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 235 kWha 152 kWha 84 kWha 400 kWha 243 kWha
specific final energy use per squaremeter Qlbn 65 kWhmsup2a 42 kWhmsup2a 23 kWhmsup2a 111 kWhmsup2a 68 kWhmsup2a
expenditure figure for lighting el - - 196 934 566
Classroom 120 Energy efficient lighting
The calculation according to DIN V
18599-4 2011-12 includes no method
for lighting on a vertical plane
5 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 14 Light for better learning
Classroom 14 before renovation Classroom 14 after renovation
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
4 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 99 Wmsup2 53 Wmsup2 47 Wmsup2 138 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 153 453 315
gross window area ARB 623 msup2 623 msup2 623 msup2 623 msup2 623 msup2
area of daylighting zone ATL 2987 msup2 2987 msup2 2987 msup2 2987 msup2 2987 msup2
area of electric lighting zone AKTL 251 msup2 251 msup2 251 msup2 251 msup2 251 msup2
daylight factor for structure DRb 34 34 34 34 34
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 070 070 070 070 067
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 059 059 059 059 056
factor of daylight responsive controls CTLKon 063 05 0781 05 05
reduction factor for daylighting FTL 063 071 054 071 072
expenditure figure daylight elTLKon - - 126 159 154
factor of occupancy responsive controls CpraumlKon 071 050 095 050 050
reduction factor for occupancy FPrauml 082 088 076 088 088
expenditure figure - occupancy elPraumlsKon 110 117 102 117 117
reduction factor for maintenance FKL 095 100 090 100 090
expenditure figure - maintenance elPraumlsKon 106 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 701 h 863 h 518 h 863 h 790 h
eff operation time (night) teffNacht 2 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1099 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 235 kWha 152 kWha 84 kWha 400 kWha 243 kWha
specific final energy use per squaremeter Qlbn 65 kWhmsup2a 42 kWhmsup2a 23 kWhmsup2a 111 kWhmsup2a 68 kWhmsup2a
expenditure figure for lighting el - - 196 934 566
Classroom 120 Energy efficient lighting
The calculation according to DIN V
18599-4 2011-12 includes no method
for lighting on a vertical plane
5 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 14 Light for better learning
Classroom 14 before renovation Classroom 14 after renovation
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
5 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom 14 Light for better learning
Classroom 14 before renovation Classroom 14 after renovation
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
6 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
profile of usage classroom (schools) after renovation before Reference
total blackboard working plane working plane EnEV 2009
installed power density pj 232 Wmsup2 53 Wmsup2 180 Wmsup2 87 Wmsup2 92 Wmsup2
expenditure figure for electric lighting system elK - - 554 268 315
gross window area ARB 595 msup2 595 msup2 595 msup2 595 msup2 595 msup2
area of daylighting zone ATL 3044 msup2 3044 msup2 3044 msup2 3044 msup2 3044 msup2
area of electric lighting zone AKTL 177 msup2 177 msup2 177 msup2 177 msup2 177 msup2
daylight factor for structure DRb 24 24 24 24 24
classification of daylight level - poor poor poor poor poor
factor daylight contribution (without shading) CTLVersSNA 055 055 055 055 052
factor daylight contribution (with shading) CTLVersSA 015 015 015 015 015
factor daylight contribution over all CTLVers 047 047 047 047 044
factor of daylight responsive controls CTLKon 072 05 078 05 05
reduction factor for daylighting FTL 066 077 063 077 078
expenditure figure daylight elTLKon - - 117 140 136
factor of occupancy responsive controls CpraumlKon 085 050 095 050 050
reduction factor for occupancy FPrauml 079 088 076 088 088
expenditure figure - occupancy elPraumlsKon 105 117 102 117 117
reduction factor for maintenance FKL 092 100 090 100 090
expenditure figure - maintenance elPraumlsKon 103 111 100 111 100
eff operation time in daylighting zone (day) teffTagTL 683 h 937 h 608 h 937 h 856 h
eff operation time (night) teffNacht 1 h 2 h 1 h 2 h 2 h
eff operation time in el lighting zone (day) teffKTL 1019 h 1223 h 959 h 1223 h 1101 h
final energy use of building zone Qlbj 526 kWha 162 kWha 364 kWha 267 kWha 258 kWha
specific final energy use per squaremeter Qlbn 147 kWhmsup2a 45 kWhmsup2a 102 kWhmsup2a 75 kWhmsup2a 72 kWhmsup2a
expenditure figure for lighting el - - 661 486 500
Classroom 14 Light for better learning
The calculation according to DIN V 18599-4
2011-12 includes no method for activating
light and for lighting on a vertical plane
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
7 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery Kassel
View from North West before renovation East faccedilade after renovation South faccedilade after renovation
Floor plan of exhibition level (Heinrich von Dehn-Rotfelser ca 1870 (Source Wikipedia)
1870 Design by Heinrich von Dehn-Rotfelser 1877 Opening 1943 Bomb damages 1962-1976 Reconstruction and
reopening 2007-2011 renovation designed by Staab-Architekten Berlin lighting consultant Licht Kunst Licht with Roman
Jakobiak daylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
8 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery hall with rooflight before refurbishment
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
9 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
New design 2007 - 2011 by Staab-Architekten (Source Staab-Architekten)
Original design 1871 -1877 by Heinrich von
Dehn-Rotfelser (Source Erbe 1923)
Prismatic glazing
Roller blinds
Electric lighting
Double glazing
Scattering plastic
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
10 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery planning refurbishment
Prismatic glazing
Scattering plastic
Double glazing
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
11 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery during construction
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
12 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
New Gallery after refurbishment
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
I E A - T a s k 4 7 W o r k s h o p S y d n e y A u s t r a l i a
R e n o v a t i o n o f t h e
Fr ied r i ch -F roumlb e l - Sc h oo l
i n O l b e r s d o r f
Involved Institutions
Client Landkreis Goumlrlitz
Leader of Research Project HS ZittauGoumlrlitz Fakultaumlt Bauwesen Lehrgebiet Bauklimatik Prof Dr Bolsius
Subcontractor for Lighting TU-Dresden Fakultaumlt Architektur Institut fuumlr Bauklimatik
Subcontractor of Subcontractor for Lighting Roman Jakobiak (Werkvertrag)
Projektbegleitung Projekttraumlger Juumllich
Architect AIZ - Architektur- und Ingenieurbuumlro fuumlr Hoch- und Tiefbau Zittau GmbH
Electrical enginieering ILM - Ickrath Land Messner Ingenieurbuumlro fuumlr Elektroenergieanlagen
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
14 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Location of Olbersdorf
Federal Republic
of Germany
Saxony
County of Goumlrlitz
Olbersdorf
1927 Architectural competition
Winner Prof Jost Dresden
Start of construction
1929 Inauguration as primary school
1941 Camp for repatriates
1943 Military hospital
1945 Barracks of soviet army
1945 Reuptake of education
1958 Extension polytechnic centre
1968 Extension Kindergarten
1990 Conversion to middle school
2006 Closure of School
2007 Decision to renovate and to
reopen as special school
2011 Reopening as special school
Timeline of school
Source of map Wikipedia
specific annual delivered heating energy use
before renovation calculated 212 kWh(msup2a)
after renovation targeted 35 kWh(msup2a)
measured 32 kWh(msup2a)
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
15 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
2nd floor plan and cross section S
ou
rce
A
IZ
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
16 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Daylight level before renovation
low daylight level (window to floor area ratio = 17 DF 13)
adequate daylight level (window to floor area ratio = 32 DF 24)
So
urc
e A
IZ
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
17 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Glazing of double windows
Interior double low-E exterior Electrochromic glazing
windows already had been changed before renovation (double low-E)
Interior double low-E exterior single white glass
So
urc
e A
IZ
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
18 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old mock-up and new
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
19 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Window old and new
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
21 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
mock up with different glazing and daylighting systems
exterior upper window daylight
redirecting glass ldquoOkasolar Wrdquo
exterior lower window electrochromic
glazing interior window double low-E
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius E 50 (white)
exterior and interior glazing
double low-E
shading system Blinds Warema
Genius CE 50 (mirrored aluminum)
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
22 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash
metrics on window system
before renovation after renovation
area of classroom 5076 msup2 5076 msup2
opening area (gross) 870 msup2 870 msup2
opening to floor area ratio 17 17
reduction factor of frame 060 055
glazing area 524 msup2 479 msup2
glazed to floor area ratio 10 9
visible transmission of glazing 084 076
before renovation after renovation
Center 13 14
Reference point left side (half depth 1 m from left
sidewall)
11 09
Reference point right side (half depth 1 m from
right sidewall)
09 08
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
-10
-9
Southeast orientation
glazing
interior double low-E
exterior single white
shading blinds in double-
window
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
23 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Screen dump of monitoring system on 15th of March 2013 1058
monitoring of 549 data points in the lighting scan
Weather data
global solar radiation
direct solar radiation
Illuminance
wind speed
wind direction
relative humidity
external air temperature
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
24 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash interior view
window
(point 2)
middle
(point 3)
corridor
(point 4)
relative usable lighting contribution
(spring fall 9 am ndash 2 pm base 300 lx) 995 924 852
relative period of use
(spring fall 9 am ndash 2 pm base 300 lx) 964 717 627
cylindric horizontal
illuminance 662 875 1009
) monitoring was performed from 20102011 until 25102011
and from 11022012 until 16022012
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
25 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
standard classroom ndash control system
Control panel for teacher
location next to blackboard
secured by keyswitch
light switch
location next to entrance
Activation of room-lighting
daylighting systems and electric
lighting systems are adjusted in
order to safeguard the set-point-
illuminance
In case of direct sunlight
automated louver-blinds prevent
from glare
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
26 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
27 kWh(msup2a)
specific final annual energy lighting
energy use calculated with adjusted
profile of usage according to DIN V
18599-4
after renovation 273 kWh(msup2a)
before renovation 1095 kWh(msup2a)
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
27 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
28 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems ndash Blinds (Southeast-facing)
monthly relative period of relative extension of blinds
(lt8 recessed gt90 blinds completely cover the window)
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
29 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
floor plan of classroom with three facades
South and West
glazing
interior double low-E
exterior electrochromic
shading blinds in double-
window
North
glazing
interior double low-E
exterior single white
shading none
So
urc
e A
IZ
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
30 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Electrochromic glass
total energy transmittance
visible transmission D65
clear 36 50
tinted 12 15
Distortion of view at the edge of
electrochromic glazing
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
31 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom with three facades
summer spring fall winter
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx) 99 93 82
relative period of use
(9 am ndash 2 pm base 300 lx) 93 74 61
cylindric horizontal
illuminance 100 98 106
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
32 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific
lighting consumption
285 kWh(msup2a)
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
33 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
34 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash South facing
(automated + manual override)
EC-Glass ndash West facing
(automated + manual override)
Blinds ndash South facing
(operated manually) Blinds ndash West facing
(operated manually)
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
35 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Floor plan of the attic S
ou
rce
A
IZ
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
36 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
new rooflight
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
37 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in the attic
before renovation after renovation
area of classroom 75 msup2 75 msup2
opening area (gross) 803 msup2 1732 msup2
opening to floor area ratio 11 23
glazing area 508 msup2 1109 msup2
glazed to floor area ratio 7 15
before renovation after renovation
middle axis distance from window 226 m 25 12
center of room 13 11
middle axis distance from window 677 m 06 17
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
38 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Classroom in upper storey
EC-glass
Snow on rooflights
corridor
(point 4)
middle
(point 2)
window
(point 1)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
92
94
40
80
91
33
79
88
37
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
74
86
8
53
78
8
50
73
10
cylindric horizontal
illuminance
summer
spring
winter
34
39
48
66
59
75
65
78
75
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
39 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
occupancy amp operating hours of electric lighting
annual specific lighting
consumption
169 kWh(msup2a) in room 407
243 kWh(msup2a) in room 405
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
40 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
daylight amp operating hours of electric lighting
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
41 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Shading systems
EC-Glass ndash Southeast facing
(automated + manual override)
Blinds ndash Southeast facing
(operated manually)
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
42 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Olbersdorf special school
sports hall before refurbishment
Glazing area
after
renovation
039 msup2
glazing area
before
renovation
057 msup2
The new gallery windows have
68 of the glass area of the old
windows
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
43 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall ndash construction of new rooflight
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
44 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall
before renovation after renovation
floor area 350 msup2 350 msup2
opening area (gross) 393 msup3 802 msup2
opening to floor area ratio 11 23
glazing area 2117 msup2 5802 msup2
glazed to floor area ratio 6 17
before renovation after renovation
middle axis window area 10 27
center of room 07 31
middle axis rear side 03 20
Metrics on Window-System before and after renovation
Daylight factor before and after renovation
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
45 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
Sports hall with new rooflight
window
(point 1)
middle
(point 2)
next to
gallery
(point 3)
relative usable lighting contribution
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
100
96
55
100
97
60
99
91
42
relative period of use
(9 am ndash 2 pm base 300 lx)
summer
spring
winter
98
79
12
98
85
18
97
68
3
cylindric horizontal
illuminance
summer
spring
winter
42
48
40
42
47
40
49
51
46
Snow on rooflight
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
46 IEA-SHC-Task 47 Workshop Sydney 050413 Lighting standards in renovated buildings Roman Alexander Jakobiak
classrooms lighting energy consumption
lighting energy consumption in classrooms in
the first year of operation [kWh]
Specific lighting energy consumption in
classrooms in the first year of operation
[kWhmsup2]
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde
T h a n k Y o u
Task 47 Workshop Renovation of Non-
Residential Buildings towards Sustainable
Solutions Sydney 050413
Lighting standards in renovated
buildings
Roman Alexander Jakobiak
officedaylightingde