Fire Code Seminar 2013

Updates to Chapter 6 & 7

Ch. 6 Fire Fighting SystemsCh. 7 Mechanical Ventilation & Smoke

Control Systems

Fire Code Seminar 2013

Presented By: Siew Yee Cheong

Updates to Chapter 6

Fire Fighting Systems

Chapter 61) Cl. 6.2.2 ~ Number, Location and Size of Rising Mains ~(Updated Clause)

2) Cl. 6.2.3 (a) ~ Breeching Inlets and Accessway ~(Updated Clause)

3) Cl. 6.2.4 (f) ~ Wet riser pumps room ~(New Clause)

4) Cl. 6.2.8 (a) (iv) ~ Hose Reels ~(New Clause)

5) Cl. 6.2.9 ~ Graphical symbols to depict fire safety equipment ~ (New Clause)

6) Cl. 6.3.2 (e) ~ Fire Alarm Panel ~(Updated Clause)

7) Cl. 6.3.3 (e) ~ Manual Alarm Call Points ~(Updated Clause)

8) Cl. 6.4.3 (b) ~ The sprinkler system ~ (New Clause)

9) Cl. 6.4.6 ~Multi-storey bldgs with above grd car parking ~ (Updated Clause)

10) Cl. 6.6 ~ Lifts ~ (Updated Clause)

11) Cl. 6.6.2 (c) ~ Emergency Power Supply ~ (Updated Clause)

12) Cl.6.6.3(a),(b)&(f)~Fire lift ~ (Updated Clause)

13) Cl. 6.6.3 (g) ~ Fire lift ~ (New Clause)

14) Cl. 6.6.4 (e)(ii) ~ Homing of lifts ~ (Updated Clause)

15) Table 6.3A & 6.4A~ ~ (Updated Clause)

Fire Code 2007 Fire Code 2013

Cl 6.2.2 Number, Location and Size of

Rising Mains

a) The number and distribution of rising mains shall comply with the requirements stipulated in SS CP 29 Code of Practice for Fire Hydrant systems and Hose Reels.

b) Position of rising mains and the associated landing valves shall be kept free of obstruction both physically and visually and located:

i. within smoke-stop lobby or external corridorimmediately outside the door of the exit staircase;

ii. in the case where there are no smoke stop lobby or external corridor, it shall be located inside exit staircase, or in the common area and within a protected shaft, immediately outside the door of the exit staircase.

Cl 6.2.2 Number, Location and Size of

Rising Mains

a) The number and distribution of rising mains shall

comply with the requirements stipulated in SS 575 Code of Practice for Fire Hydrant systems and Hose Reels.

b) Position of rising mains and the associated landing valves shall be kept free of obstruction both physically and visually and located:

i. within fire-fighting lobby, smoke-stop lobby

or external corridor immediately outside the door of the exit staircase;

ii. in the case where there are no fire-fighting lobby, smoke-stop lobby or external corridor, it

shall be located inside exit staircase, or in the common area and within a protected shaft, immediately outside the door of the exit

1) Cl. 6.2.2

Number, Location and Size of Rising Mains

1st Priority Location

2nd Priority Location

3rd Priority Location

Rising main withlanding valve

Cl. 6.2.2 (b)-(i) The Order of Preference For The Location of The Rising Mains


Fire Lift

Fire FightingLobby

Rising main withLanding valve

30 m

Note: Where there are provisions of fire-fighting lobby or smoke-stop lobby

within the building, the position of rising mains and landing valves shall first

be located inside fire-fighting lobby.

Cl. 6.2.2 (b) Note

Passenger Lift

The Order of Preference For The Location of The Rising Mains


Cl. 6.2.2 (b)-(ii)

In case of no fire-fighting lobby, smoke-stop lobby or external corridor,

Rising Main shall be located inside exit staircase, or in the common areaand within a protected shaft, immediately outside the door of the exit staircase.

The Order of Preference For The Location of The Rising Mains


Cl.6.2.3 Breeching Inlets and Accessway

a) All buildings fitted with rising mains shall have accessways or fire engine access road (applicable to buildings under purpose group II) for pumping appliances within 18m of the breeching inlet. The breeching inlets shall be visible from the accessways or fire engine access road.

Cl.6.2.3 Breeching Inlets and Accessway

a) All buildings fitted with rising mains shall have accessways or fire engine

access road (only applicable to buildings under purpose group II) for pumping appliances within 18m of the breeching inlet. The breeching inlets shall be visible from the accessways or fire engine access road.

2) Cl. 6.2.3 (a)

Breeching Inlets and Accessway

Fire engine access road is only applicable for purpose group II building.

Measure from fireengine access way (or)Fire engine access road

Cl.6.2.3 (a)

Breeching Inlet


Cl 6.2.4 Wet Rising Main

f) Where pumps are required for the wet riser main system, requirements specified in SS CP 29 shall be incorporated. Arrangements for the power supplies, both normal and emergency, shall be in accordance with the CP 29.

Cl 6.2.4 Wet Rising Main

f) Wet riser pumps shall be installed within a fire compartmented fire pump room, whose fire rating shall be in accordance with Table 6.4A. The fire pump room floor level shall not be lower than the main floor level.

3) Cl. 6.2.4 (f)

Location of Wet Riser Pump Room

For sunken wet riser pump room i.e., (floor level lower than the main floor level), in case of overflowing of water tank or flooding due to leakage, the wet riser pumps will be fully submerged.

Not Acceptable

Cl.6.2.4 (f)

Location of Wet Riser Pump Room

The fire pump room floor level shall not be lower than the main floor level.

Acceptable

Cl.6.2.4 (f)


NIL Cl. 6.2.8 Hose Reels

a) Hydraulic hosereel conforming to the

requirements in SS CP 29 Code of

Practice for Fire Hydrant Systems and

Hose Reels shall be provided in every

storey of every building regardless of

building height, except the following:

iv. Subject to compliance with clause

2.6.2, provision of hosereel on the

mezzanine floor of factory unit is not

required provided the coverage

distance of the nearest hosereel at the

main floor to the most remote point

of the mezzanine floor shall not

exceed 36m.

4) Cl. 6.2.8 (a) (iv)

Provision of Hosereel

The provision of hosereel is required in every storey of every building.

In the case of mezzanine floor in factory occupancy where - The floor area is less than 60sqm and- Travel distance in compliance, the provision of hosereel is not needed at the mezzanine storey provided the hosereel coverage of (30m+6m) is sufficient.

Cl.6.2.8 (a) (iv)

Hosereel

Provision of Hosereel

The provision of hosereel is not needed at the mezzanine storey provided the hosereelcoverage of (30m+6m) is sufficient.

Cl.6.2.8 (a) (iv)

Hosereel


NIL Cl. 6.2.9

Graphical symbols to depict fire safety

equipment are allowed for use in buildings

provided the signs comply with SS

508. The Table below show the different

size of the graphical symbol with respect

to the viewing distance.

5) Cl. 6.2.9

Graphical Symbols As Per SS 508

Viewing

Distance

0m to 6m > 6m to 9m > 9m to 12m 12m or more

Z=100 min. 60mm min. 90mm min. 120mm min. 150mm

Note: The luminous factor (Z) from SS563 is used to determine the

size of the sign. It essentially dictates the size of the sign that varies

with distance. The graphical symbol for fire-fighting equipments

shall be sized such that the height and width are the same. The

size of symbol is not inclusive of borders.

Table 6.2.9A

Cl.6.2.9

Fire Safety Signs in MRT Station

Graphic Symbol of Hosereel & Fire Extinguisher in MRT station

Size of Fire Safety Signs

Size of Graphic Symbol of Hosereel & Fire Extinguisher

Fire Safety Signs in New Building

Graphic Symbol of Hosereel & Fire Extinguisher in New Building

Fire Code 2007 Fire Code 2013Cl. 6.3.2 Fire Indicator Board

a) An electrical fire alarm system of the automatic ormanual type shall be provided with a fire indicatorboard to indicate the location of the alarm which hasbeen actuated or operated. Such indication of locationshall be accurate to the maximum allowed alarm grouparea limitations specified in SS CP 10.

b) The associated control and supervisory equipment,indicating equipment, wiring and arrangement of powersupplies for the fire indicator board shall comply withthe requirements in SS CP 10.

c) All automatic systems which are activated via thegeneral building alarm shall be connected directly to thefire indicator board.

d) The fire indicator board should be located near the mainentrance of the building, in the fire command centre, inthe guardhouse or in the fire fighting lobby, if provided,or as may be required by the Relevant Authority.

e) Sub-fire alarm board, where provided, shall complywith the requirements in SS CP 10.

Cl 6.3.2 Fire Alarm Panel

a) An electrical fire alarm system of the automatic or

manual type shall be provided with a fire alarm panelto indicate the location of the alarm which has been

actuated or operated. Such alarm panel of locationshall be accurate to the maximum allowed alarm grouparea limitations specified in SS CP 10.

b) The associated control and supervisory equipment,indicating equipment, wiring and arrangement of power

supplies for the fire alarm panel shall comply with therequirements in SS CP 10.

c) All automatic systems which are activated via thegeneral building alarm shall be connected directly to the

fire alarm panel.

d) The fire alarm panel should be located near the mainentrance of the building, in the fire command centre, inthe guardhouse or in the fire fighting lobby, if provided,or as may be required by the Relevant Authority.

e) Sub-fire alarm panel, where provided, shall be locatedat the fire-fighting lobby, smoke-stop lobby,protected staircase in that order of priority or at themain point of entry into the area covered by thealarm zone.

6) Cl. 6.3.2 (e)

Fire Alarm Panel

Sub Fire Alarm Panel

Cl. 6.3.2 (a), (b), (c), (d)





3rd Priority Location

4th Priority Location

Sub FireAlarm Panel

Sub FireAlarm Panel

Sub FireAlarm Panel

Cl. 6.3.2 (e)

The Order of Priority For The Location of The Sub Fire Alarm Panel

Occupied Space


Nil Cl.6.3.3 Manual Alarm Call Points

e) Subject to compliance with Cl.2.6.2,provision of manual call point on themezzanine floor of factory unit is notrequired provided no person on themezzanine floor need to travel morethan 30m to activate the nearest manualcall point located on the main floor.

7) Cl. 6.3.3 (e)

Provision of Manual Call Point

In the case of mezzanine floor in factory occupancy where - The floor area is less than 60sqm and- Travel distance in compliance, the provision of manual call point is not required provided no person on the mezzanine floor need to travel more than 30m to activate the nearest manual call point located on the main floor.

Cl.6.3.3 (e)

Call point

Provision of Manual Call Point

The provision of manual call point is not required provided no person on the mezzanine floor need to travel more than 30m to activate the nearest manual call point located on the main floor.

Cl.6.3.3 (e)

Call point

Fire Code 2007 Fire Code 2013Cl.6.4.3

The sprinkler system shall be electrically monitored sothat on the operation of any sprinkler head, the firesignal is automatically transmitted to a fire stationthrough an approved alarm monitoring station.

Cl. 6.4.3

a) The sprinkler system shall be electrically monitored so that on the operation of any sprinkler head, the fire signal is automatically transmitted to a fire station through an approved alarm monitoring station.

b) Installation of fire pumps for sprinkler system shall comply with requirements of SS CP 52. Sprinkler pumps shall be installed within a fire compartmented fire pump room, whose fire rating shall be in accordance with Table 6.4A.The sprinkler pump room floor level shall not be lower than the main floor level.

Sprinkler control valve(s) shall be located in the following order of priority: i. facing external within close proximity to Fire

Command Centre;ii. within fire-fighting lobby/smoke-stop lobby;

andiii.within sprinkler pump room that has proper

access; andiv. within fire compartmented enclosure located

near to fire-fighting stair and readily accessible from the common areas.

8) Cl. 6.4.3 (b)

The Sprinkler System

Sprinkler Control Valves

Cl.6.4.3 (b)



The Order of Priority For The Sprinkler Control Valves Location

The Sprinkler System


Cl.6.4.3 (b)

3rd Priority Location 4th Priority Location

Sprinkler Pump Room


Common Corridor

OTHERROOM

The Order of Priority For The Sprinkler Control Valves Location

Location of Sprinkler Pump Room

For sunken sprinkler pump room i.e., (floor level lower than the main floor level), in case of overflowing of water tank or flooding due to leakage, the sprinkler pumps will be fully submerged.

Not Acceptable

Cl.6.4.3 (b)

Location of Sprinkler Pump Room

The fire pump room floor level shall notbe lower than the main floor level.

Acceptable

Cl.6.4.3 (b)


Cl. 6.4.6

In multi-storey buildings under Purposegroups II, IV, V & VII, where any carparking area above ground is providedwith natural ventilation in accordance withcl. 3.2.8(c), the provision of automaticsprinkler to the car parking area is notrequired provided:

i. An automatic fire alarm system shall beprovided to the car parking area underpurpose groups IV, V & VII subject toTable 6.3A and Table 3.2A; and

ii. Manual fire alarm system shall beprovided to the car parking area underpurpose group II subject to Table 6.3A.

Cl. 6.4.6

In multi-storey buildings under Purposegroups II, III, IV, V, VI, VII & VIII notexceeding 24m in habitable height, whereany car parking area above ground isprovided with natural ventilation inaccordance with cl. 3.2.8(c), the provision ofautomatic sprinkler to the car parking areais not required provided:

i. An automatic fire alarm system shall beprovided to the car parking area underPurpose Groups III, IV, V & VII and

ii. Manual fire alarm system shall beprovided to the car parking area underPurpose Group II subject to Table 6.3A.

9) Cl. 6.4.6

Multi-Storey Buildings With Above Ground Car

Parking Area

Multi-storey buildings under purpose groups II, III, IV, V, VI, VII & VIII

Cl.6.4.6

The provision of automatic sprinkler to the car parking area only is not requiredprovided:i. An automatic fire alarm system shall be provided to the car parking area under

Purpose Groups III, IV, V, & VII (main building usage) andii. Manual fire alarm system shall be provided to the car parking area under Purpose

Group II subject to Table 6.3A.

No part of the floor space

shall be more than 12m

from the openings on the

perimeter walls of the

building

Carpark<24m


Cl. 6.6 LIFTS

This set of requirements shall be

applicable to all buildings exceeding

habitable height of 24m except Purpose

Group I and II buildings.

Cl. 6.6 LIFTS

A set of requirements using lifts forbuilding evacuation during emergency isdrawn up at FSR 7: 2011 & FSR 8: 2011.These requirements are applicable to allbuildings except residential developments.

10) Cl. 6.6

Requirements Using Lifts For Building

Evacuation During EmergencyCl.6.6

FSR 7:2011 FSR 8:2011

PWD Evacuation Lift / Fire Lift Requirement

Requirements Using Lifts For Building Evacuation During Emergency

Building Habitable Height

< 24m > 24m

All new bldgs.

except

residential

buildings

• At least 1 passenger lift

designated as PWD

Evacuation lift.

(i.e. PWD evacuation

lift design requirements

apply)

• At least 1 passenger lift designated as

PWD Evacuation lift.

• Additional fire lift required.

- The PWD Evacuation lift can double

up as the additional fire lift. Design of

additional fire lift shall follow that of

PWD evacuation lift.

• Passenger lifts to be installed with fire

lift switch, and protection of power

cables and provision of CCTV at

lobbies.


Cl . 6.6.2 Emergency Power Supply

c) In any public building or part thereof, in which the

habitable height exceeds 60 m, the emergency power

supply shall be so sized and arranged such that:

i. at least one lift (other than the fire lift) with

access to every storey, or

ii. one lift from each vertical zone if the lifts are

arranged to serve different zones in the building,

shall remain operative in the event of power failure or

fire. A manual overriding switch with the same

function as the FIRE SWITCH shall be provided for

each of the above designated lift(s). The fire switch

shall be located in a designated location such as the fire

command centre.

Cl. 6.6.2 Emergency Power Supply

c) The power supply to the lift shall be connected to a sub-main circuit exclusive to the lift and independent of any other main or sub-main circuit. The power cables serving the lift installation shall be routed through an area of negligible fire risk.

11) Cl. 6.6.2 (c)

Emergency Power Supply to Lifts

Cl.6.6.2

Fire Code 2007 Requirement

Secondary Fire lifts for passenger lifts serving respective zone

Emergency Power Supply to Lifts

Cl.6.6.2

Fire Code 2013 Requirement

1st Fire lift 2nd Fire lift (Double up as Evacuation lift)


Cl. 6.6.3 Fire lift

a) In any building or part thereof, in which thehabitable height exceeds 24m, or the depth of the basement is more than 9m below the average ground level, there shall be provided at least one fire lift, which shall be contained within a separate protected shaft or a common protected shaft containing other lifts subject to such other lifts being served at each storey by the fire fighting lobby, which is required by the provisions of Cl.2.2.13(b) of this Code.

b) A fire lift shall have access to every habitable floor

above or below the designated floor and shall be

adjacent and accessible to an exit staircase and be

approached by a fire fighting lobby at each storey.

Cl. 6.6.3 Fire lift

a) With the exception of Purpose Group I and II

buildings, all other buildings shall be provided

with at least two fire lifts if the habitable height

exceeds 24m. See FSR 8:2011 on the design details.

For Purpose Group II buildings, at least one fire

lift shall be provided if the habitable height

exceeds 24m. All buildings shall also be provided

with at least two fire lifts if the depth of the

basement exceeds 9m below the average ground

level. The fire lift(s) shall be contained within a

separate protected shaft or a common protected

shaft containing other lifts subject to such other

lifts being served at each storey by the fire fighting

lobby, which is required by the provisions of

Cl.2.2.13(b) of this code.

b) A fire lift shall be adjacent and accessible to an

exit staircase and be approached by a fire fighting

lobby at each storey. The fire lift shaft shall be

continuous throughout the building and serve

every storey.

12) Cl. 6.6.3 (a), (b)

Fire Lifts

For habitable height more than 24m

All purpose groups except I & IIshall be provided with at least two fire liftsAt least one fire lift shall be

provided for purpose group II, except super high rise residential building.

For basement storey with depth exceeding 9m

All purpose groups shall be provided with at least two fire lifts.

Cl.6.6.3 (a)

Fire lift

>24m

Separated or common protected shaft

Fire Lifts

Cl.6.6.3 (a)

Fire lift in separate lift shaft Fire lift in common lift shaft

Cl. 6.6.3(b) - A fire lift shall be adjacent and accessible to an exit staircase and be approached by a fire fighting lobby at each storey

Fire LiftsCl.6.6.3 (b)

- The fire lift shaft shall be continuous throughout the building and serve every storey.


Cl. 6.6.3 Fire lift

e) The installation of the fire lift shall be in accordance

with SS CP 2 Code of Practice for Installation,

Operation and Maintenance of Electric Passenger

and Goods Lifts.

f) The power supply to the lift shall be connected to a

sub-main circuit exclusive to the lift and

independent of any other main or sub-main

circuit. The power cables serving the lift installation

shall be routed through an area of negligible fire

risk.

Cl. 6.6.3 Fire lift

e) The installation of the fire lift shall be in accordance

with SS 550 Code of Practice for Installation,

Operation and Maintenance of Electric Passenger

and Goods Lifts.

f) The fire lift shall be located such that any

part of every storey shall be accessible to

fire-fighters from the fire lift.

g) Regardless of whether the building is

installed with automatic sprinkler system,

the number of fire lifts required shall be

such that any part of a storey of the building

is within 60m coverage from the fire lift

door; subject to provisions of at least 2 fire

lifts in accordance with sub-clause (a).

12 & 13) Cl. 6.6.3 (f) & (g)

Number of Fire Lifts RequiredFire Code 2007 Requirement

Smoke Stop Lobby

- Only 1 fire lift was required.

Passenger Lift

Fire Lift

Fire FightingLobby

Factory Factory Factory

Factory

Smoke Stop Lobby

Passenger Lift

Cargo Lift

Number of Fire Lifts RequiredFSR8: 2011 (Effective date : 27 Dec 2011)

- Additional fire lifts required for evacuation of building occupants requiring assistance during emergencies for building > 24 m in habitable height.

Passenger Lift

Fire Lift

Fire FightingLobby


Factory

Smoke Stop Lobby

Smoke Stop Lobby

Additional Fire Lift for Evacuation

Cargo Lift

Number of Fire Lifts RequiredFire Code 2013 Requirement

Fire Fighting Lobby

- Any part of every storey shall be accessible to fire-fighters from the fire lift.

- The number of fire lifts required shall be such that any part of a storey of the building is within 60m coverage from the fire lift door.

Fire Lift

Fire Lift

< 60m

< 60m

Fire FightingLobby


Factory

Smoke Stop Lobby

Passenger Lift

Cargo Lift

Fire Code 2007 Fire Code 2013Cl. 6.6.4 Homing of lifts

e) Alternative designated floor

ii. In building under (e)(i) which are not provided with sprinkler or automatic fire alarm system, suitable sensors shall be provided at ceiling level to cover the lift landing space. The activation of any sensor would cause the lifts to be re-directed to home to the alternative floor.

The alternative floor shall have minimum fire hazard and pre-selected for the homing of passenger lifts, and where people can escape to safety in an exit staircase or other exit from the lift landing door.

Cl. 6.6.4 Homing of lifts

e) Alternative designated floor

ii. The alternative designated or designated floor shall have minimum fire hazard and pre-selected for the homing of passenger lifts, and where people can escape to safety in an exit staircase or other exit from the lift landing door.

iii. In building under (e)(i) which are not

provided with sprinkler or automatic

fire alarm system, suitable sensors shall

be provided at ceiling level to cover the

lift landing space. The activation of any

sensor would cause the lifts to be re-

directed to home to the alternative floor.

14) Cl. 6.6.4 (e)

Homing of lifts

- Where the lifts open directly into an occupancy area in a designated floor, for example, a shopping floor or an office floor, an alternative designated floor (eg 2nd storey) shall also be identified.

- The alternative designated or designated floor shall have minimum fire hazard and pre-selected for the homing of passenger lifts, and where people can escape to safety in an exit staircase or other exit from the lift landing door.

- In building under above situation which are not provided with sprinkler or automatic fire alarm system, suitable sensors shall be provided at ceiling level to cover the lift landing space. The activation of any sensor would cause the lifts to be re-directed to home to the alternative floor.

Cl.6.6.4 (e) (ii) (iii)

To enhance the fire protection system for taller and larger institution building

To give a clearer definition with listed examples

15) Table 6.3 A

APurpose group &

No of storey of building

BTotal floor area

(per storey in sq m) in excess of which

alarm must be provided

CType ofAlarm

III (Institutional)(i) Schools & others

c - Building of more than 4 storeys

VII (Place of Public Resort)(i) With stay-in facilities

i.e. hotels, boarding houses,serviced apartments, hostels, backpackers hotel:

400** (a)

15) Table 6.3 AProvision of Fire Alarms According To PurposeGroup, Height & Size of The Building

** Building of more than 4 storeys but area less than 400sqm, only manual alarm system is required.

To give a clearer definition with listed examples

To enhance the fire protection system for taller and larger institution building

Revise of compartmentations’ fire rating to meet relevancy

15) Table 6.4 A

Revise of compartmentations’ fire rating to meet relevancy15) Table 6.4 A

3. Where AHU rooms are vertically stacked, each AHU room shall be separated by a compartment floor at every level. In the case of AHU serving more than one compartment, fire dampers shall be provided in air ducts at penetration through the compartment wall and floors, see Cl. 7.1.2.

Updates to Chapter 7

Mechanical Ventilation & Smoke Control Systems

Chapter 7

1) Cl. 7.1.1 (f) (iii) ~ Plenum Spaces ~(New Clause)

2) Cl. 7.1.2 (a) ~ Air Handling Units ~(Updated Clause)

3) Cl. 7.1.7 (b) ~ Sharing of kitchen exhaust system ~(New Clause)

4) Cl. 7.2.1 (a) ~ Staircase MV system ~(Updated Clause)

5) Cl. 7.2.1 (c) ~ Staircase MV system ~(New Clause)

6) Cl. 7.4.1 (b) (iv) ~ Basement Smoke Control System ~(Updated Clause)

7) Cl. 7.6.1 (c) ~ Engineered Smoke Control System ~(Updated Clause)

8) Cl. 7.6.13 (f) ~ Perforated Roller Shutter ~(New Clause)


NIL Cl. 7.1.1 General

f) A concealed space between the ceiling and floor above it, ceiling and roof, or raised floor and structural floor of a building may be used as a plenum provided that –

iii. Exception

Low-smoke and low-flame plenum rated PVC cables conforming to NFPA 262 are permitted to be run exposed in plenum, provided that:

1) The plenum space shall be protected by sprinkler system or gaseous total flooding system.

2) FCU or AHU using plenum for air return and serving more than one rooms, shall be provided with smoke detector at the return air plenum space to shut down the FCU/AHU on detection of smoke.

1) Cl. 7.1.1 (f) (iii)

Low-smoke and low-flame plenum rated

PVC cables in Plenum Spaces

Low smoke & low flame plenum rated PVC cables

Low-smoke and low-flame plenum rated PVC cables conforming to NFPA 262 are permitted to be run exposed in plenum, provided that:

(1) The plenum space shall be protected by sprinkler system or gaseous total flooding system.

Cl.7.1.1 (f)

Low smoke & low flame plenum rated PVC cables

Low-smoke and low-flame plenum rated

PVC cables in Plenum Spaces

(2) FCU or AHU using plenum for air return and serving more than one rooms, shall be provided with smoke detector at the return air plenum space to shut down the FCU/AHU on detection of smoke.

Cl.7.1.1 (f)

AHU using (ceiling space) plenum for air return


Cl. 7.1.2 Air handling unit room

a) Air handling systems shall not use protected shaft of exits, smoke-stop lobbies, including its concealed space for supply, exhaust or return air plenums. Rooms having no other usage than housing air handling equipment or package units, and their associated electrical controls are not regarded as areas of high risk. However, in situations where the air handling equipment serves more than one compartment, fire dampers shall be provided in air ducts at penetrations through the compartment walls and floors to comply with the requirements in Cl. 7.1.1(h).

Cl. 7.1.2 Air handling unit room

a) Air handling systems shall not use protected shaft of exits, smoke-stop lobbies, including its concealed space for supply, exhaust or return air plenums. Rooms having no other usage than housing air handling equipment or package units, and their associated electrical controls are not regarded as areas of high risk. However, in situations where the air handling equipment serves more than one compartment, fire dampers shall be provided in air ducts at penetrations through the compartment walls and floors to comply with the requirements in Cl. 7.1.1(h).

Where AHU rooms are vertically stacked, each AHU room shall be separated by a compartment floor at every level.

2) Cl. 7.1.2 (a)

Air Handling Unit RoomCl.7.1.1 (f)

- Some practice of using fire rated ceiling at the underside of the metal platform for vertically stacked AHU rooms which will likely deteriorate over time due to moisture or dampness, is no longer permitted.

- Vertically stacked Each AHU rooms shall be separated by a compartment floor at every level.

- where the AHU serves more than one compartment, fire dampers shall be provided in air ducts at penetrations through the compartment walls and floors.

Roof

1st Storey


Nil Cl. 7.1.7 Kitchen

b) Sharing of kitchen exhaust system for foodand beverage outlets is allowed providedthe following conditions are complied with:

i. For a food court

1) the food court shall be under a singleownership/operator;

2) there must be provision formaintenance and cleaning of theexhaust system;

3) the food court owner/operator shallensure that the kitchen exhaust systemis degreased and cleaned regularly; and

4) all kitchen exhaust ducts runningoutside the food court shall have fireresistant rating of at least 1 hour or shallnot be less than that for the elements ofstructure, whichever is the higher.

3) Cl. 7.1.7 (b)

Kitchen Exhaust System – Food CourtCl.7.1.7 (b) (i)

- The food court under a single ownership/operator- Provision for maintenance and cleaning of the exhaust system

- Ensure that the kitchen exhaust system is degreased and cleaned regularly and

- All KEA ducts running outside the food court shall have minimum 1 hour fire resistant rating or shall not be less than that for the elements of structure, whichever is the higher.

MIN. 1HR


Nil Cl. 7.1.7 Kitchenb) - - -

ii.For restaurants

1) the restaurants that are sharing the same

kitchen exhaust system shall be located next

to each other and be on the same storey;

2) the aggregate floor area of the restaurants

shall not exceed 1,000m2;

3) common duct shall be provided with

common exhaust fan;

4) there must be provision for maintenance and

cleaning of the common exhaust system;

5) the common kitchen exhaust system shall be

degreased and cleaned regularly;

6) the building shall be protected by an

automatic fire sprinkler system;

7) the exhaust hood shall be fitted with a wet

chemical fire extinguishing system; and

8) the fire rating of the common kitchen

exhaust duct running outside the restaurants

3) Cl. 7.1.7 (b)

Kitchen Exhaust System - Restaurants

Cl.7.1.7 (b) (ii)

- The restaurants shall be located next to each other and be on the same storey;

- The restaurants aggregate floor area

< 1,000m2;- Common duct shall be provided with

common exhaust fan;

- Provision for maintenance and cleaning of the common exhaust system;

- Ensure that the kitchen exhaust system

is degreased and cleaned regularly

- Building shall be protected by an

automatic fire sprinkler system;- The exhaust hood shall be fitted with a

wet chemical fire extinguishing system; and

- All KEA ducts running outside the

restaurants shall have minimum 1 hour fire resistant rating or shall not be less than that for the elements of structure, whichever is the higher.

RESTAURANT AGGREGATE FLOOR AREA < 1000m2


Nil Cl. 7.1.7 Kitchenb) - - -

iii. For other smaller F&B outlets such as snack bars, food kiosks etc.

1) the F&B outlets that are sharing kitchen exhaust system shall be:• within close proximity from each other;• within a zone of 1,000m2;• with hood-to-hood distance of not more

than 10m; and• located on the same storey.

2) the kitchen exhaust duct running outside the F&B outlets shall have fire resistance rating of at least 1 hour or shall not be less than that for the elements of structure, whichever is the higher; and

3) all other conditions stipulated in (ii)(3) to (7) above shall be complied with.

(Note: Kitchen exhaust duct includes both horizontal and vertical ducts)

3) Cl. 7.1.7 (b)

Kitchen Exhaust System – Food Kiosks

Cl.7.1.7 (b) (iii)

- The other smaller F&B outlets such as snack bars, food kiosks etc. shall be

located next to each other and be on the same storey;

- The F&B outlets aggregate floor area

< 1,000m2;- For F&B outlets hood-to-hood distance

< 10m- Common duct shall be provided with

common exhaust fan;- Provision for maintenance and

cleaning of the common exhaust system;

- Ensure that the kitchen exhaust system is degreased and cleaned regularly

- Building shall be protected by an automatic fire sprinkler system;

- The exhaust hood shall be fitted with a wet chemical fire extinguishing system; and

- All KEA ducts running outside the F&B outlets shall have minimum 1 hour fire resistant rating or shall not be less than that for the elements of structure, whichever is the higher.

SMALL F&B OUTLETS AGGREGATE FLOOR AREA < 1000m2


Cl. 7.2.1 General

a) In any building of which the habitable height exceeds 24 m, any internal exit staircases without adequate provision for natural ventilation shall be pressurised to comply with the requirements in this Code.

b) In a building comprising more than 4 basement storeys, exit staircase connected to fire fighting lobby in basement storeys shall be pressurised to comply with the requirements in this Code.

Cl. 7.2.1 General

a) In any building of which the habitable height exceeds 24m, any internal exit staircases without adequate provision for natural ventilation shall be pressurised to comply with the requirements in this Code. Where the upper part of the staircase is naturally ventilated, its lower part can be provided with mechanical ventilation or pressurisation, whichever is appropriate in accordance with Cl.2.3.3(h).

b) In a building comprising more than 4 basement storeys, exit staircase connected to fire-fighting lobby in basement storeys shall be pressurised to comply with the requirements in this Code.

c) Purpose Group II occupancy

Where Purpose Group II staircase storey shelter is provided with mechanical ventilation system or pressurisation system for its exit staircase, a manual fire alarm system complying with SS CP 10 shall be installed. A manual call point shall be located at the entrance of each exit staircase at every storey, including the non-residential floors. Activation of any manual call point shall initiate the operation of mechanical ventilation system or pressurisation system.

4 & 5) Cl. 7.2.1 (a) & (c)

Internal Exit StaircaseCl.7.2.1 (a)

Different modes of ventilation within a single staircase shaft- The internal exit staircase can be naturally ventilated at

its upper part and mechanically ventilated at its lower part provided this lower part does not exceed 24m in habitable height and there shall not be any intermediate staircase landing door separating the 2 modes of ventilation.

- If the lower part exceeds 24m in habitable height, this lower part shall be pressurized instead.

Internal exit staircases without adequate provision for natural ventilation shall be pressurised.

< 24M

(NV)

(MV)

Activation Of Ventilation System Within

Residential BuildingCl.7.2.1 (c)

Note: - Pure residential buildings are not required to be provided with

manual fire alarm or automatic fire alarm system. - In this regard, should the stairs are not naturally ventilated, the

means of activation such as manual call point at every entrance of exit staircase shall be provided.


Cl. 7.4.1 Basement Smoke Control System

b) Where the total aggregate floor area of all basement

storeys exceeds 2000m2, engineered smoke control

system that complies with the requirements

stipulated in CL. 7.4.3 shall be provided for all parts

of basement with the following exceptions:

iv. Service areas such as laundries, office, storeroom

and workshops (restricted to staff only) which

are compartmented, smoke venting provision in

accordance with Cl.7.4.2 or smoke purging

system of at least 9 air-change per hour may be

accepted for those areas in lieu of the engineered

smoke control system. Automatic fire

alarm/extinguishing system in accordance with

Table 6.4A shall be provided where required.

Cl. 7.4.1 Basement Smoke Control System

b) Where the total aggregate floor area of all basement

storeys exceeds 2000m2, engineered smoke control

system that complies with the requirements

stipulated in CL. 7.4.3 shall be provided for all parts

of basement with the following exceptions:

iv. Service areas such as storeroom and

workshops (restricted to staff only) which

are compartmented, smoke venting

provision in accordance with Cl.7.4.2 or

smoke purging system of at least 9 air-

change per hour may be accepted for those

areas in lieu of the engineered smoke control

system. Automatic fire alarm/extinguishing

system in accordance with Table 6.4A shall

be provided where required.

6) Cl. 7.4.1 (b) (iv)

Service areas in Basement Storey

Cl.7.4.1 (b) (iv)

Service area(storeroom or workshop)

- Service areas in basement storey used as office and laundry area are areas that are normally occupied.

- Hence the smoke dilution of at least 9 air-changes may not suffice.- Adequate level of visibility and smoke dispersal shall be maintained

for these areas to facilitate escape.- Engineered smoke control system shall be provided.

Laundryarea

Office area

FD

FD

FD

Fire Code 2007 Fire Code 2013ENGINEERED SMOKE CONTROL

SYSTEM

Cl. 7.6.1

The engineered smoke control system shall

be in the form of a smoke ventilation

system by natural or mechanical extraction

designed in accordance with:

(c) Other acceptable standards.

ENGINEERED SMOKE CONTROL

SYSTEM

Cl. 7.6.1

The engineered smoke control system shall

be in the form of a smoke ventilation

system by natural or mechanical extraction

designed in accordance with:

(c) BR 368 - Design methodologies for

smoke and heat exhaust ventilation

(BR 368 is published by

Construction Research

Communications Ltd by permission

of Building Research Establishment

Ltd); or

(d) Other acceptable standards.

7) Cl. 7.6.1 (b) (c)

ENGINEERED SMOKE CONTROL SYSTEM

Cl.7.6.1 (c)


Nil Cl. 7.6.13

Replacement air shall be by natural means

drawing air directly from the external.

(f) Where the automatic roller

shutters are used at replacement

air inlets in the design and

installation of engineered smoke

control system, it shall be of

perforated type having the required

effective free area for the effective

operation of the engineered smoke

control system.

7) Cl. 7.6.1 (b) (c)

Perforated Roller ShutterCl.7.6.13 (f)

Perforated Roller shuttersfor Replacement Air

Thank You

Fire Code Seminar 2013

Presented By: Siew Yee Cheong

Documents

Fire Code Seminar 2013