comprehensive certificate course for beam plus on energy ... · 11/21/2016 · organisers:...

Organisers:

Comprehensive Certificate Course for

BEAM Plus on Energy Use (EU) 2016

1st Honorable Speaker – Mr MK Leung

Ronald Lu & Partners

2nd Honorable Speaker – Ms Gigi Kam

ARUP

21 November 2016

Session 3 – Passive Design and Embodied Energy in Building Structural Elements

Comprehensive Certificate Course for BEAM Plus on Energy Use (EU) 2016

Supporting organisations:

Organisers:

Organisers:





19:00 – 20:20

Mr MK Leung, Ronald Lu & Partners‘Highlights of Practice Notes: APP-130 & APP-152’

‘Applications of Overall Thermal Transfer Value (OTTV) and Residential Thermal Transfer Value (RTTV) in

buildings’

‘Cases sharing on passive design for energy reduction and energy efficient building layout’

20:20 – 20:25 Q & A

20:25 – 20:35 Break

20:35 – 21:25Ms Gigi Kam, ARUP

‘Evaluation of Life Cycle Assessment (LCA) of building elements with ISO 14040 and ASTM

E1991’

21:25 – 21:30 Q & A

Organisers:



1st Honorable Speaker – Mr MK Leung

Ronald Lu & Partners

‘Highlights of Practice Notes: APP-130 & APP-152’

‘Applications of OTTV and RTTV in buildings’

‘Cases sharing on passive design for energy reduction and energy efficient building layout’

21 November 2016



Organisers:


Organisers:



2nd Honorable Speaker – Ir Gigi Kam

ARUP

‘Evaluation of Life Cycle Assessment (LCA) of building elements with ISO 14040 and ASTM E1991’

21 November 2016



Organisers:


Organisers:

Life Cycle of Building Elements

figures extracted from

https://www.saint-gobain.com

Organisers:

• An objective method

• To evaluate environmental

burdens associated with a

product, process or activity

• To evaluate and implement

opportunities to influence

environmental improvements

• ISO 14040 Standard provides an

internationally accepted framework

for LCA

• Inventory Analysis

• Impact Assessment

• Interpretation

Background

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Background

Function of LCA

• For quantitative analysis on

environmental and cost impacts;

• For decision making among

various options of alternative

building designs and construction

methods

Organisers:

Background

Athena, Sustainable Material

Institute, N. AmericaImpact, BRE, UK

SimaPro, BDA, Netherland

Are these applicable

to Hong Kong?

Organisers:

International Guideline of LCAISO 14040:2006:

Environmental Management – Life Cycle Assessment – Principles and Framework

ISO 14044:2006:

Environmental Management – Life Cycle Assessment – Requirements and Guidelines

Figures extracted from

ISO 14040:2006 & ISO 14044:2006

Organisers:

Life Cycle Inventory (LCI)

• Energy inputs;

• Raw material inputs;

• Ancillary inputs;

• Other physical inputs;

• Products;

• Co-products;

• Waste;

• Release to air, water and soil;

• Other environmental aspects

Figure extracted from ISO 14044:2006

Organisers:

Life Cycle Inventory (LCI)Example of Data Collection Sheet for Unit Process

Table extracted from ISO 14044:2006

Organisers:

Life Cycle Inventory (LCI)

Example of Data Collection Sheet for Upstream Transport

Example of Data Collection Sheet for Internal Transport

Table extracted from ISO 14044:2006

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Life Cycle Impact Assessment (LCIA)

Optional Elements of LCIA:

• Normalization

• Grouping

• Weighting

• Data Quality Analysis

Figures extracted from ISO 14044:2006

Organisers:

Life Cycle Impact Assessment (LCIA)

Commonly used Life Cycle

Impact Category

Organisers:

Essential Information for Life Cycle Assessment

(LCA) in Building

• Material components

• Raw Material Manufacturing Process

• Material Country of Origin

• Transportation Method

• Life Cycle Inventory (LCI)

• Cost Data

• Building Material Quantity

• Impact Category Normalization Factor

• Impact Category Local Weighting Factor

• Operational Profile

• Local Fuel Mix for Electricity Generation

• Material Dismantling & Disposing Process

Not Necessary for BEAM

Plus NB EU3

© Arup

Organisers:

LCA for Buildings

Step 1:

List of breakdown of

building materials© Arup

Organisers:

LCA for Buildings

Step 2:

Consider reference emission data for computing

LCA impacts for building materials

© Arup

Organisers:

LCA for Buildings

Step 3:

Collect fuel mix composition of different countries

© Arup

Organisers:

LCA for Buildings

Step 4:

Calculate the transportation

distance between Hong Kong

and material country of origin© Arup

Organisers:

LCA for Buildings

Step 7:

Resources consumption and construction waste analysis

Cumulative energy, water, diesel consumption and waste generation of construction site

© Arup

Organisers:

LCA for Buildings

Step 9:

Compilation of localized LCIA profiles for electricity use

LCIA profile for generating 1TJ of electricity in Hong Kong

(reference to CML Baseline 2000 LCIA method)

© Arup

© Arup

Organisers:

LCA for Buildings

Step 12:

Conduct LCA calculation

M+

EU 3 Embodied Energy in Building Structural Elements

Building

Structural

Elements Component

Weight (kg)/

Volume (m3) Units

Density

(kg/m3) Weight (kg) Material

abiotic depletion global warmingozone layer

depletion human toxicity

fresh water aquatic

ecotoxicity

marine aquatic

ecotoxicity

terrestrial

ecotoxicity

photochemical

oxidation acidification eutrophication

embodied energy

(MJ/kg)Unit Cost ($)

Assumptions

sub structure – piles 19,400 m3 2450 47,530,000 Concrete 53708.9 13,688,640 2.00E+00 2081814 167305.6 2091320000 15779.96 2552.361 61789 9220.82 115,973,200 14,259,000$ 45D

sub structure – piles 7,581,000

kg - 7,581,000 Steel 107,650.20 13,569,990 3.62E-01 282771300 215300.4 2448663000 7452.123 6125.448 64514.31 5230.89 224,397,600 40,179,300$

Steel Hot Rolled

(rebar)

sub structure – piles -

m2 - Formwork - - 0.00E+00 - - - - - - - - -$

Temporary steel

casings are used

super structure ‐ beams 15,600

m3 2450 38,220,000 Concrete 43188.6 11,007,360 1.61E+00 1674036 134534.4 1681680000 12689.04 2052.414 49686 7414.68 89,434,800 11,466,000$ 45D

super structure ‐ beams 3,276,000

kg - 3,276,000 Steel 46519.2 5,864,040 1.57E-01 122194800 93038.4 1058148000 3220.308 2647.008 27878.76 2260.44 96,969,600 17,362,800$

Steel Hot Rolled

(rebar)

super structure ‐ beams 58,000

m2 560 812,000 Formwork 5,773 1,404,760 6.48E-01 200,564 14,210 155,092,000 2,014 794 8,932 1,372 11,936,400 8,769,600$

Board plywood

spruce

super structure ‐ slabs 31,400 m3 2450 76,930,000 Concrete 86930.9 22,155,840 3.24E+00 3369534 270793.6 3384920000 25540.76 4131.141 100009 14924.42 187,709,200 23,079,000$ 45D

super structure ‐ slabs 4,631,500

kg - 4,631,500 Steel 65767.3 8,290,385 2.21E-01 172754950 131534.6 1495974500 4552.7645 3742.252 39414.065 3195.735 137,092,400 24,546,950$

Majority Steel Hot

Rolled (rebar)

super structure ‐ slabs 109,000

m2 560 1,526,000 Formwork 10,850 2,639,980 1.22E+00 376,922 26,705 291,466,000 3,784 1,492 16,786 2,579 22,432,200 16,480,800$

Board plywood

spruce

super structure ‐ columns 4,000 m3 2450 9,800,000 Concrete 11858 3,243,800 4.77E-01 462560 36848 462560000 3400.6 582.12 13818 2067.8 24,598,000 4,312,000$ 60D

super structure ‐ columns 13,315,000

kg - 13,315,000 Steel 189073 23,833,850 6.36E-01 496649500 378146 4300745000 13088.645 10758.52 113310.65 9187.35 394,124,000 70,569,500$

Steel Hot Rolled

(rebar)

super structure ‐ columns 238,979

m2 560 5,974 Formwork 42 10,336 4.77E-03 1,476 105 1,141,125 15 6 66 10 87,825 64,524$

board plywood

spruce

structural partitions 18,200 m3 2450 44,590,000 Concrete 50386.7 12,841,920 1.88E+00 1953042 156956.8 1961960000 14803.88 2394.483 57967 8650.46 104,340,600 13,377,000$ 45D

structural partitions 1,274,000

kg - 1,274,000 Steel 18090.8 2,280,460 6.09E-02 47520200 36181.6 411502000 1252.342 1029.392 10841.74 879.06 37,710,400 6,752,200$

Steel Hot Rolled

(rebar)

structural partitions 70,000

m2 560 980,000 Formwork 6,968 1,695,400 7.82E-01 242,060 17,150 187,180,000 2,430 958 10,780 1,656 14,406,000 10,584,000$

board plywood

spruce

Trusses 2,462 m3 2450 6,031,900 Concrete 7298.599 1,996,559 2.94E-01 284705.68 22679.944 284705680 2093.0693 358.29486 8504.979 1272.7309 15,140,069 2,654,036$ 60D

Trusses 3,137,000 kg - 3,137,000 Steel 44,232 5,803,450 0.15 110,422,400 97,247 1,160,690,000 3,294 2,547 29,205 2,346 91,600,400 62,740,000$ structural steel

Trusses 5,105

m2 560 71,470 Formwork 508 123,643 5.70E-02 17,653 1,251 13,650,770 177 70 786 121 1,050,609 771,876$

board plywood

spruce

M+ Tower 2,825 m3 2450 6,921,250 Concrete 7821.0125 1,993,320 2.91E-01 303150.75 24362.8 304535000 2297.855 371.671125 8997.625 1342.7225 16,195,725 2,076,375$ 45D

M+ Podium 1,853 m3 2450 4,539,850 Concrete 5130.0305 1,307,477 1.91E-01 198845.43 15980.272 199753400 1507.2302 243.789945 5901.805 880.7309 10,623,249 1,361,955$ 45D

M+ Ground floor 194 m3 2450 475,300 Concrete 537.089 136,886 2.00E-02 20818.14 1673.056 20913200 157.7996 25.52361 617.89 92.2082 1,112,202 142,590$ 45D

CSF pre-cast concrete louvres

on 2nd floor 20

m3 2450 49,000 Concrete 55.37 14,112 2.06E-03 2146.2 172.48 2156000 16.268 2.6313 63.7 9.506 114,660 14,700$ 45D

CSF external wall and roof 1,851 m3 2450 4,534,950 Concrete 5124.4935 1,306,066 1.91E-01 198630.81 15963.024 199537800 1505.6034 243.526815 5895.435 879.7803 10,611,783 1,360,485$ 45D

CSF roof waved concrete

facade 302

m3 2450 739,900 Concrete 836.087 213,091 3.11E-02 32407.62 2604.448 32555600 245.6468 39.73263 961.87 143.5406 1,731,366 221,970$ 45D

M+ Tower Glass 14,319 m2 45 kg/m2 644,355 Glass 142402.455 25,000,974 3.47E+00 15657826.5 824774.4 34666299000 27127.3455 7410.0825 194595.21 18364.1175 322,177,500 1,159,839,000$ double glazed glass

M+ Podium Glass 417 m2 45 kg/m2 18,765 Glass 4147.065 728,082 1.01E-01 455989.5 24019.2 1009557000 790.0065 215.7975 5667.03 534.8025 9,382,500 33,777,000$ double glazed glass

M+ Ground floor façade glass 2,441 m2 45 kg/m2 109,845 Glass 24275.745 4,261,986 5.92E-01 2669233.5 140601.6 5909661000 4624.4745 1263.2175 33173.19 3130.5825 54,922,500 197,721,000$ double glazed glass

Dry wall 6,555 m3 6.5kg/m2 426,051 Calcium silicate 1,180 158,917 0.26 43,883 2,991 36,512,566 452 50 1,103 160 2,454,053 2,130,255$ gypsum

Non-structural concrete 13,051 m3 2450 31,975,857 Concrete 36132.71785 9,209,047 1.35E+00 1400542.515 112555.0149 1406937686 10615.98436 1717.103494 41568.61345 6203.316161 74,823,504 9,592,757$ 45D

976488 174,780,371 20 1263960991 2965684 65179816327 164928 53824 912835 104130 2073152345 1,736,206,673$

11.86147128 10

Global warming

(kgco2) Embodied Energy (MJ)

Foundation 27,258,630 Foundation 340,370,800

Superstructure 103,191,783 Superstructure 1,228,632,503

Facade 34,961,994 Facade 426,871,485

Non-structural walls 9,367,964 Non-structural walls 77,277,558

Whole building 174,780,371 Whole building 2,073,152,345

Structure

Facade

Walls

0

20,000,000

40,000,000

60,000,000

80,000,000

100,000,000

120,000,000

140,000,000

160,000,000

180,000,000

Foundation Superstructure Facade Non-structuralwalls

Whole building

Global warming (kg CO2)

0

500,000,000

1,000,000,000

1,500,000,000

2,000,000,000

2,500,000,000

Foundation Superstructure Facade Non-structural walls Whole building

Embodied Energy (MJ)

0

10,000,000,000

20,000,000,000

30,000,000,000

40,000,000,000

50,000,000,000

60,000,000,000

70,000,000,000

Life Cycle Impact

© Arup

comprehensive certificate course for beam plus on energy ... · 11/21/2016 · organisers:...

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