Fire Code Chap 6 and 7 MR Siew Yee Cheong

Fire Code Seminar 2013 Updates to Chapter 6 & 7 Ch. 6 Fire Fighting Systems Ch. 7 Mechanical Ventilation & Smoke Control Systems

Presented By: Siew Yee Cheong

Updates to Chapter 6 Fire Fighting Systems

Chapter 6 1) 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)

1) Cl. 6.2.2 Fire Code 2007

Fire Code 2013

Cl 6.2.2 Number, Location and Size of Rising Mains

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.

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:

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 corridor immediately 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.

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,

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

2nd Priority Location 1st Priority Location Rising main with landing valve

3rd Priority Location

Number, Location and Size of Rising Mains Cl. 6.2.2 (b) Note

Fire Lift Rising main with Landing valve Fire Fighting Lobby

Passenger Lift

30 m The Order of Preference For The Location of The Rising Mains

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.

Number, Location and Size of Rising Mains Cl. 6.2.2 (b)-(ii)

The Order of Preference For The Location of The Rising Mains 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 area and within a protected shaft, immediately outside the door of the exit staircase.

2) Cl. 6.2.3 (a) Fire Code 2007

Fire Code 2013

Cl.6.2.3 Breeching Inlets and Accessway

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.

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.

Breeching Inlets and Accessway Cl.6.2.3 (a)

Breeching Inlet Measure from fire engine access way (or) Fire engine access road

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

3) Cl. 6.2.4 (f) Fire Code 2007

Fire Code 2013

Cl 6.2.4 Wet Rising Main

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.

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.

Location of Wet Riser Pump Room Cl.6.2.4 (f)

Not Acceptable

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.

Location of Wet Riser Pump Room

Cl.6.2.4 (f)

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

4) Cl. 6.2.8 (a) (iv) Fire Code 2007

Fire Code 2013

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.

Provision of Hosereel Cl.6.2.8 (a) (iv)

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.

Provision of Hosereel Cl.6.2.8 (a) (iv)

Hosereel

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

5) Cl. 6.2.9 Fire Code 2007

Fire Code 2013

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.

Graphical Symbols As Per SS 508 Cl.6.2.9

Table 6.2.9A 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.

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

6) Cl. 6.3.2 (e) Fire Code 2007

Fire Code 2013

Cl. 6.3.2 Fire Indicator Board

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 indicator board to indicate the location of the alarm which has been actuated or operated. Such indication of location shall be accurate to the maximum allowed alarm group area limitations specified in SS CP 10.

a) An electrical fire alarm system of the automatic or manual type shall be provided with a fire alarm panel to indicate the location of the alarm which has been actuated or operated. Such alarm panel of location shall be accurate to the maximum allowed alarm group area limitations specified in SS CP 10.

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

c) All automatic systems which are activated via the general building alarm shall be connected directly to the fire indicator board.

c) All automatic systems which are activated via the general building alarm shall be connected directly to the fire alarm panel.

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

d) The fire alarm panel should be located near the main entrance of the building, in the fire command centre, in the 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 comply with the requirements in SS CP 10.

e) Sub-fire alarm panel, where provided, shall be located

at the fire-fighting lobby, smoke-stop lobby, protected staircase in that order of priority or at the main point of entry into the area covered by the

Fire Alarm Panel Cl. 6.3.2 (a), (b), (c), (d)

Sub Fire Alarm Panel

Sub Fire Alarm Panel Cl. 6.3.2 (e)

Sub Fire Alarm Panel

Sub Fire Alarm Panel

3rd Priority Location 1st Priority Location

Occupied Space Sub Fire Alarm Panel

2nd Priority Location

4th Priority Location

Sub Fire Alarm Panel

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

7) Cl. 6.3.3 (e) Fire Code 2007

Fire Code 2013

Nil

Cl.6.3.3 Manual Alarm Call Points e) Subject to compliance with Cl.2.6.2, provision of manual call point on the mezzanine floor of factory unit 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.

Provision of Manual Call Point Cl.6.3.3 (e)

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.

Provision of Manual Call Point Cl.6.3.3 (e)

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.

8) Cl. 6.4.3 (b) Fire Code 2007

Fire Code 2013

Cl.6.4.3

Cl. 6.4.3

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.

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; and iii.within sprinkler pump room that has proper access; and iv. within fire compartmented enclosure located near to fire-fighting stair and readily accessible from the common areas.

The Sprinkler System Cl.6.4.3 (b)

Sprinkler Control Valves

1st Priority Location

2nd Priority Location The Order of Priority For The Sprinkler Control Valves Location

The Sprinkler System Cl.6.4.3 (b) Sprinkler Control Valves Sprinkler Pump Room

Sprinkler Control Valves

OTHER ROOM

Common Corridor

3rd Priority Location

4th Priority Location

The Order of Priority For The Sprinkler Control Valves Location

Location of Sprinkler Pump Room Cl.6.4.3 (b)

Not Acceptable

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.

Location of Sprinkler Pump Room Cl.6.4.3 (b)

Acceptable

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

9) Cl. 6.4.6 Fire Code 2007

Fire Code 2013

Cl. 6.4.6

Cl. 6.4.6

In multi-storey buildings under Purpose groups II, IV, V & VII, where any car parking area above ground is provided with natural ventilation in accordance with cl. 3.2.8(c), the provision of automatic sprinkler to the car parking area is not required provided:

In multi-storey buildings under Purpose groups II, III, IV, V, VI, VII & VIII not exceeding 24m in habitable height, where any car parking area above ground is provided with natural ventilation in accordance with cl. 3.2.8(c), the provision of automatic sprinkler to the car parking area is not required provided:

i. An automatic fire alarm system shall be provided to the car parking area under i. An automatic fire alarm system shall be purpose groups IV, V & VII subject to provided to the car parking area under Table 6.3A and Table 3.2A; and Purpose Groups III, IV, V & VII and ii. Manual fire alarm system shall be ii. Manual fire alarm system shall be provided to the car parking area under provided to the car parking area under purpose group II subject to Table 6.3A. Purpose Group II subject to Table 6.3A.

Multi-Storey Buildings With Above Ground Car Cl.6.4.6 Multi-storey buildings under purpose groups II, III, IV, V, VI, VII & VIII

Parking Area No part of the floor space shall be more than 12m from the openings on the perimeter walls of the building

Carpark 24m

• At least 1 passenger lift

• At least 1 passenger lift designated as

designated as PWD Evacuation lift. (i.e. PWD evacuation lift design requirements apply)

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.

11) Cl. 6.6.2 (c) Fire Code 2007

Fire Code 2013

Cl . 6.6.2 Emergency Power Supply

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:

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.

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.

Emergency Power Supply to Lifts Cl.6.6.2

Secondary Fire lifts for passenger lifts serving respective zone

Fire Code 2007 Requirement

Emergency Power Supply to Lifts Cl.6.6.2

1st Fire lift

2nd Fire lift (Double up as Evacuation lift)

Fire Code 2013 Requirement

12) Cl. 6.6.3 (a), (b) Fire Code 2007

Fire Code 2013

Cl. 6.6.3 Fire lift

Cl. 6.6.3 Fire lift

a) In any building or part thereof, in which the habitable 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.

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.

Fire Lifts Cl.6.6.3 (a)

Fire lift

Separated or common protected shaft

>24m

For habitable height more than 24m All purpose groups except I & II shall be provided with at least two fire lifts At 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.

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 Lifts Cl.6.6.3 (b)

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

12 & 13) Cl. 6.6.3 (f) & (g) Fire Code 2007

Fire Code 2013

Cl. 6.6.3 Fire lift

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.

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 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.

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).

Number of Fire Lifts Required Fire Code 2007 Requirement Passenger Lift

Factory

Fire Lift Fire Fighting Lobby

Factory

Factory

Cargo Lift

Factory

Smoke Stop Lobby

Smoke Stop Lobby

Passenger Lift

- Only 1 fire lift was required.

Number of Fire Lifts Required FSR8: 2011 (Effective date : 27 Dec 2011) Additional Fire Lift for Evacuation

Factory

Fire Lift

Cargo Lift

Fire Fighting Lobby

Factory

Factory

Factory

Smoke Stop Lobby

Smoke Stop Lobby

Passenger Lift

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

Number of Fire Lifts Required Fire Code 2013 Requirement Passenger Lift

< 60m

Fire Lift

Factory

Cargo Lift

Fire Fighting Lobby

Factory

Factory

Factory

< 60m

Fire Fighting Lobby

-

Fire Lift Smoke Stop 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.

14) Cl. 6.6.4 (e) Fire Code 2007

Fire Code 2013

Cl. 6.6.4 Homing of lifts

Cl. 6.6.4 Homing of lifts

e) Alternative designated floor

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 redirected to home to the alternative 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.

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.

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 redirected to home to the alternative floor.

Homing of lifts Cl.6.6.4 (e) (ii) (iii)

-

-

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.

15) Table 6.3 A 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 Provision of Fire Alarms According To Purpose Group, Height & Size of The Building

A Purpose group & No of storey of building

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:

B

C

Total floor area (per storey in sq m) in excess of which alarm must be provided

Type of Alarm

400**

(a)

To enhance the fire protection system for taller and larger institution building To give a clearer definition with listed examples

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

15) Table 6.4 A

Revise of compartmentations’ fire rating to meet relevancy

15) Table 6.4 A

Revise of compartmentations’ fire rating to meet relevancy

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 2) Cl. 7.1.2 (a) ~ Air Handling Units 3) Cl. 7.1.7 (b) ~ Sharing of kitchen exhaust system 4) Cl. 7.2.1 (a) ~ Staircase MV system 5) Cl. 7.2.1 (c) ~ Staircase MV system 6) Cl. 7.4.1 (b) (iv) ~ Basement Smoke Control System 7) Cl. 7.6.1 (c) ~ Engineered Smoke Control System 8) Cl. 7.6.13 (f) ~ Perforated Roller Shutter

~(New Clause) ~(Updated Clause) ~(New Clause) ~(Updated Clause) ~(New Clause) ~(Updated Clause) ~(Updated Clause) ~(New Clause)

1) Cl. 7.1.1 (f) (iii) Fire Code 2007

Fire Code 2013

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.

Low-smoke and low-flame plenum rated

PVC cables in Plenum Spaces Cl.7.1.1 (f) Low smoke & low flame plenum rated PVC cables

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.

Low-smoke and low-flame plenum rated

PVC cables in Plenum Spaces Cl.7.1.1 (f)

AHU using (ceiling space) plenum for air return (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.

2) Cl. 7.1.2 (a) Fire Code 2007

Fire Code 2013

Cl. 7.1.2 Air handling unit room

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).

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.

Air Handling Unit Room Cl.7.1.1 (f)

Roof

1st Storey

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

- 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.

3) Cl. 7.1.7 (b) Fire Code 2007

Fire Code 2013

Nil

Cl. 7.1.7 Kitchen b) Sharing of kitchen exhaust system for food and beverage outlets is allowed provided the following conditions are complied with: i. For a food court 1) the food court shall be under a single ownership/operator; 2) there must be provision for maintenance and cleaning of the exhaust system; 3) the food court owner/operator shall ensure that the kitchen exhaust system is degreased and cleaned regularly; and 4) all kitchen exhaust ducts running outside the food court shall have fire resistant rating of at least 1 hour or shall not be less than that for the elements of structure, whichever is the higher.

Kitchen Exhaust System – Food Court Cl.7.1.7 (b) (i)

-

-

MIN. 1HR

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.

3) Cl. 7.1.7 (b) Fire Code 2007

Fire Code 2013

Nil

Cl. 7.1.7 Kitchen b) - - 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

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

3) Cl. 7.1.7 (b) Fire Code 2007

Fire Code 2013

Nil

Cl. 7.1.7 Kitchen b) - - -

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)

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

4 & 5) Cl. 7.2.1 (a) & (c) Fire Code 2007

Fire Code 2013

Cl. 7.2.1 General

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.

a) In any building of which the habitable height exceeds

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.

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

Internal Exit Staircase Cl.7.2.1 (a)

(NV)

(MV)

< 24M

Different modes of ventilation within a single staircase shaft Internal exit staircases without adequate provision for natural ventilation shall be pressurised.

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-

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.

Activation Of Ventilation System Within Residential Building Cl.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.

6) Cl. 7.4.1 (b) (iv) Fire Code 2007

Fire Code 2013

Cl. 7.4.1 Basement Smoke Control System

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:

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.

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 airchange 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.

Service areas in Basement Storey Cl.7.4.1 (b) (iv) Office area FD

FD

Laundry area

Service area (storeroom or workshop) FD

- 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.

7) Cl. 7.6.1 (b) (c) Fire Code 2007

Fire Code 2013

ENGINEERED SMOKE CONTROL SYSTEM

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:

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.

(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.

ENGINEERED SMOKE CONTROL SYSTEM Cl.7.6.1 (c)

7) Cl. 7.6.1 (b) (c) Fire Code 2007

Fire Code 2013

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.

Perforated Roller Shutter Cl.7.6.13 (f)

Perforated Roller shutters for Replacement Air

Fire Code Seminar 2013

Thank You Presented By: Siew Yee Cheong