PDMS Fire Safety Reqmts for 2 Dec10

7/27/2019 PDMS Fire Safety Reqmts for 2 Dec10

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Content

1. Updates on Fire Safety Requirements

in Public Housing.

2. Findings from processing of submissions.


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Updates on Fire Safety Requirements

a) PROVISION OF FIRE LIFT FOR HDB PROJECTS

Relaxation of provision of fire lift for HDB projects within

a distance of not more than 9 m from the exit staircase.

Background

Changes

FSSD informed HDB that the relaxation will cease with effectfrom 15th

July 2009

Henceforth, fire lift for HDB projects shall be adjacent andaccessible to an exit staircase and be approached by a firefighting lobby at each storey.

[Fire Code Ref. clause 6.6.3 (b)]


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X



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b) PROVISION OF DRY/WET RISER SYSTEM FOR HDB PROJECTS

Background

In most of the design, riser system is sited at central part of the

building to maximize the serving coverage.This design concept has achieved cost efficiency.

Fire Safety Requirements

Fire Code clause 6.2.2 (b) states that position of rising main andlanding valve shall be immediately outside the door of the exitstaircase.


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X



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c) Effective width of main gate for residential unit can be

less than 850mm

proposal accepted by FSSD


The effective width of 850mm is only applicable to exit dooras stated in Fire Code.


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d) Selfclosing device to be provided to fire rated services duct door

as required in Fire CodeFor projects under construction/awarded without selfclosing device,status quo. No RVO required.



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e) Provision of Fire Hose Reel to services rooms e.g.Consumer Switch Room, Telecom Equipment room,

Utility Room, Domestic/Riser Pump Room, BulkyRefuse Room, MDF Room & Lift Motor Room etc

For Public Housing, provision of Fire Hose Reel canbe excluded, however Fire Extinguisher

shall be

provided.



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f) Provision of Fire Extinguisher & Fire Hose Reelto Precinct Pavilion (Open sided)

Fire Extinguisher is required, it could be kept by Town Councilwhen pavilion is not used for any function.

Fire Hose Reel shall be provided if area exceeding 200 sq mIf pavilion is located within the serving range of 36m of any FireHose Reel installed in adjacent building, dedicated Fire HoseReel need not be provided.



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g) Provision of Exit Sign to Services Rooms e.g.Consumer Switch Room, Telecom Equipment room,

Utility Room, Domestic/Riser Pump Room, BulkyRefuse Room, MDF Room & Lift Motor Room etc

Provision of Exit Sign is not required to room withonly

single exit.



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Provision of Exit Sign is not required.



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Exit doornear external

Exit doornear external

h) Provision of fire rated door to side of exit staircase is not

required@ 1st storey if it is a void deck space and door isnear to exterior open space.



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Dischargeto external

Dischargeto external

i) Provision of fire rated door to discharge of exit staircase is notrequired @ 1st storey which is directly facing exterior open space.



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j) EXEMPTION OF FIRE

ALARM SYSTEM &FIRE EXTINGUISHERTO HDB MULTI

STOREY CARPARKAND MARKET BY FSSDON 29TH

JULY2000



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Residential block

k) Door to exit staircase and services ducts only need

to comply with

hr fire rating.

Doors to services rooms at 1st

storey are as follow:

1.

Facing external directly needs not be fire rated.

2.

Facing nonoccupied space to have

hr fire rating.

3.

Facing occupied space or escape route to have

Same fire rating of element of structure.


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MSCP

l) Doors to exit staircase and services ducts onlyneed to have

hr fire rating,

If 50% unobstructed facade openings is achieved.


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1st Storey

Excessive circulation atstaircase can be avoided.

Findings from processing of submissions


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Excessive circulation atstaircase can be avoided.

Typical Storey



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Habitable Height 10.050m from access road level

Provision of Dry Riser to MSCP



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Before After

Riser piping housed within

protected staircase

Riser piping runningthru car park area



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Before After

Position not appropriate, itshould house within protectedstaircase to avoid unnecessary

ducting to dry riser.

CorrectPosition



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MSCP

min. 50% UNOBSTRUCTED OPEING TO FACADE



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MSCP

min. 50% UNOBSTRUCTED OPEING TO FACADE



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Thank you

Documents

PDMS Fire Safety Reqmts for 2 Dec10