pre-qualification structural learning – brief introduction to moe, frc & moa 29 march 2003...
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Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Aims Recall your memory : how to review your
scheme according to MOE, FRC & MOA Highlights: protected lobby, doors & testing Checklist for inspection Fire Safety (Commercial Premises)
Ordinance Fire Safety (Buildings) Ordinance
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Exits from Rooms & StoreysCapacity = Area / Factor Table 1
e.g. An office area is 80, factor is 9, therefore room capacity is 9 persons.
No. of exit, min. width of exit door & exit route Table 2 Capacity > 30 persons, 2 exits >30o & door
swing in direction of exit, MOE 16.1. Door swing should not reduce min. req’d
width of exit route, MOE13.5a.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Exits from Rooms & Storeys Direct distance, MOE 14.1
Within a room, 15m/18m Travel distance, Table 3 & 4
Between Room exit to staircase Balcony approach Internal corridor w. ventilation = cross ventilated
by permanent openings 6.25% of floor area of corridor, at least 1.5 sq.m, MOE 14.8.
Dead end, MOE 14.3b, PNAP210 Exit in one direction only, 18m (DD+TD)
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Deadend = 18m
18m
TD+DD
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Staircase Discharge value of staircase > total capacity
of building Table 5 (non-sprinklered bldg), Table 6
(Sprinklered bldg) X0.8 direction of exit is upward, X0.7 scissors staircase
Bldg (planning) Reg 39: Bldg exceeding 4 storey, provide 2nd staircase or continue to roof
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Staircase Staircases separation < 48m, MOE 14.3c Lift lobby accessible to exit route, MOE 19. Except single staircase bldg, min. 2 exits for
each storey, MOE 11.1 MOE should not be pass through one
staircase enclosure to reach an alternative staircase, MOE 13.4
An inner room – vision panel, MOE 14.5. except toilet (alternative fire alarm system), does not apply to domestic flats, PNAP 257.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
ExampleOK Staircase 2
MOE passThrough 1To 2
Staircase 1
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
StaircaseSingle staircase Building
Max. 6 storeys Uppermost storey <17m above GL Roof for refuge, 0.5 sq.m/person Cockloft is store attached to G/F shop
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Staircase Interchange MOE 11.2.
Office
People using one staircase cannot gain access to another,At common area
Common corridor should beprovided
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
StaircaseStaircase discharges to street at GL
Door/gate should be openable from inside w/o using a key,
For security, use fail-safe lock/panic bolt Opened in the direction of exit, Set back from the line of drop in level
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
FRPUse & Compartment volumeTable 2
Domestic/office, n.e.28000sq.m : 1 hr Shop/PPE/carparking,
N.e. 7000sq.m : 1 hr, 7000-28000sq.m : 2 hrs.
Warehouse, n.e. 7000sq.m : 2 hrs Industrial, n.e. 28000sq.m : 2 hrs
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Different uses & occupancies Separate by walls & floors of longer FRP,
max 2 hrs. FRC 8 & 9. Internal corridors with flats, 1 hr wall & ½ hr
doors. Balcony approach with 2 escape directions,
not req’d. Special Hazard, 2 hrs/4 hrs adjoining
staircase, 1 hr door. FRP ducts for services thro’ compartment
wall or floors, ½ FRP access panel, FRC 10.5
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Example: Internal corridor½ hr door
1 hr wall ½ hr door
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Openings at external walls Adjoining Buildings, FRC 7
From adjoining Building
Within 900mm imperforate
900-1800mm, ½ hr fixed light, 1 hr in staircase
From common boundary
Within 450mm imperforate
450-900mm, ½ hr fixed light, 1 hr in staircase
Staircase, FRC 11.7 Within 6m from street, common boundary, other external wall, ½ hr fixed light
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Example: openable window, ½ hr fixed light / 1 hr fixed light
Office
Opposite Building
Common Boundary
450mm 6m 450mmFRC 11.8
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Vertical barrier
450mmPrevent spread ofSmoke
FRC Diagram 5
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Basement, MOE 20 Min 2 exits, except:
Basement < 3m below GL; Area < 150 sq.m; and Solely for a lavatory or plantroom.
Staircase serving upper floors should not be continued direct to Basement
Directional and exit signs At lease 1 exit should discharge
independently of any other exit into street
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Basement, FRCFRP 4 hrs, FRC 6.2Smoke outlet, FRC 15:
30m apart, along street frontage, Every compartment, 0.5% of floor area, Min. dim 1m.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Refuge Floors, MOE 21 Req’d for bldg exceeding 25 storeys above
the lowest ground storey: 20 storeys industrial bldg; 25 storeys non-industrial bldg.
25-40 storeys domestic or composite bldg, main roof for refuge.
Roof as refuge, min. 2 hr, FRP 13. Provision of sky garden in refuge floor,
PNAP258.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
MOA Req’d Access staircase, fireman’s lift, Fire-fighting &
rescue stairway(FRS) Table 1 Not req’d fireman’s lift:
Domestic/office: single staircase Domestic: 2-staircase <30m Non-dom: 2-staircase <30m <7000cb.m PPE: < 2 storeys
Req’d FRS: Industrial >7000cb.m Basement >7000cb.m Floor within 60m from fireman’lift (actual passage), MOA
10.4
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Access at Ground Level
MOADiagram 4
18m
Fireman’s Lift
Fire service access point at GL
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
MOA
Separate lift-well for fireman’s lift, MOA 11.1, 2 hrs, FRC 11.1
Same lift lobby arrangement on every floor, MOA 13.3
FRS = Access staircase + fireman’s lift + ventilated lobby, MOA18.1, 2xFRP, MOA19.2
‘Fire service access point’ to ‘fireman’s lift / FRS’ - Horizontal distance 18m, MOA 9.2 & 16.2, width 1.5m MOA 9.1 & 16.4
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Protected Lobby, MOE 13.5b Protected lobby to each stairs
Enclosed staircase > 50% Single staircase bldg > 13m Bldg with 2 or more stairs > 20m
Common area and an integral part of the staircase
From special hazard to exit route, MOE 6 Fireman’s lift lobby to remaining part of G/F, MOA
9.3b Separation between 2 compartments, FRC 10.1,
or use fire shutter (except PPE, carparks)
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Doors, MOE Staircase & lobby doors - openable without
the use of key, MOE16.2. Door swing should not reduce effective radius
of staircase landing MOE 16.3. Transparent upper view panel – assist
occupants to see the inside of the staircase before entering it, MOE16.5.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Doors, FRC FRP = ½ of wall, max 1 hr. Integrity - resist spread of smoke and fire Insulation - prevent raise in temperature in the
staircase, therefore, staircase & lobby doors should have insulation property, FRC 11.3(b)
Self-closing, FRC 17.1. Both side with notice, FRC 17.2. Uninsulated glazing area < 25% of door leaf area,
otherwise req’d insulation, FRC 17.4(c).
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Testing Before 1996, 2” hardwood door, Now, certificate & test report, FRC 6 Test or Assess in accordance with BS476:Part
22:1987, FRC 17.4. PNAP 251- Building Authority accepts
Test report : laboratory recognized by HOKLAS or other bodies reached Mutual Recognition Agreement
Assessment report: 3 organizations only – BRE, IFC (limited to Mr Jackman) & Warrington)
Valid period of the test report.
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
www.info.gov.hk/itc/hkas
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Mutual Recognition Agreement
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Checklist Staircase
Width, No. of steps per flight, max. 16, Tread min. 225mm, riser max. 175mm Handrail, 850-1100mm Headroom 2000mm No winder
Corridor width Openings at external walls, FRC 7 & 11.7 Staircase enclosure continued to G/F exit Smoke outlet for basement & size
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Checklist Access to roof Fireman’s lift:
Size, min dimension 1.1m, area 1.35sq.m Rated load, min. 680kg Door size, 800x2000mm Lobby size, min dimension 1.5m, area 2.25sq.m
Access to Fireman’s lift at G/F, min. 1.5m, MOA 9.1 UBW affects MOE Special hazard Door swing on stair landing/step
Pre-qualification Structural Learning –Brief Introduction to MOE, FRC & MOA 29 March 2003
Thank you