Civil Defense Comments for SWA projects
Archive for the ‘QCDD Fire Safety Standards’ Category
FSS 1.5 (Refuge Floor) March 7, 2009 FSS 1.5REFUGE FLOOR High-rise building (more than 30 storeys) shall be provided with at least one refuge floor at an interval of not more than 20 storeys. The refuge floor shall comply with the following requirements: 1. 2. 3. 4. 5. 6.
7. 8.
It shall be of masonry construction having fire resistance rating not less than 2 hours. At least 50% of the gross floor area of the refuge floor shall be designated as holding area. There shall be no commercial activities in the holding area. The size of the holding area shall be adequate to accommodate at least half the total occupant load of all storeys above and below the refuge floor, basing on 0.30 sqm per person. The holding area shall be separated from other areas of the refuge floor by compartment wall having fire resistance rating not less than 2 hours. Link of the holding area with other occupied rooms/areas shall be via external corridor, or a smoke-stop lobby. The holding area shall be naturally ventilated with permanent openings on at least 2 sides of external walls. Height of opening shall not be less than 1200mm high and the total area of ventilation openings shall not be less than 25% of the floor area of the holding area. All parts of the holding area shall be within 9m of any ventilation opening. Ventilation opening shall be located at least 1.5m horizontally and 3m vertically above adjoining unprotected opening. The holding area can also be mechanically ventilated or air-conditioned in the event of emergency. The ventilation equipment shall be connected to secondary power supply via 2 hour fire resistance cable. The ventilation system shall be indicated and shall not share with other areas.
cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
1/7
9. Sprinkler system shall be provided for the refuge floor. 10. Escape routes leading to the holding area shall be through smoke-stop / fire fighting lobby or external corridor. 11. A sign depicting “REFUGE FLOOR” shall be displayed inside the staircase and on wall immediately outside the staircase at the refuge floor. The sign of lettering size not less 50mm shall be displayed at a height of 1500mm above the landing / finished floor level. 12. Emergency lighting shall be provided to cover all areas of the holding area. Such lighting shall be connected to secondary power supply, i.e. generator, battery, etc. Posted in QCDD Fire Safety Standards | Leave a Comment »
FSS 2.1 (Fire Protection Water Supplies) August 24, 2008 FSS 2.1 (Fire Protection water Supplies)
Item
Provisions
Notes
1.0
Water Supplies quantities shall be determined with the use of the fire codes including the QCD Particular Requirements and the NFPA.
Applicable Codes
2.0
Water supplies shall be secure and dedicated for fire protection use only.
3.0
Fire Protection water storage tanks shall be constructed of non-combustible materials. They shall be constructed with compartments that allow maintenance without impairment to the system. Each compartment shall be not more than 50%.
cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
Tank Construction
2/7
Each compartment shall have its own independent automatic supply inlet.
4.0
The net effective capacity of the tank(s) shall be sized to meet the minimum duration of flow for the fire protection systems determined in accordance with the applicable codes.
Capacity
The net effective capacity of the water tank shall be verified on the fire protection plans of the fire safety submission. These drawings shall clearly indicate size and allowances for fittings, freeboard, inlet pipe arrangement, overflow pipe, suction pipe and fittings, any allowances and the clear volume of water available for use by the fire protection systems. The effective capacity shall also be clearly indicated on the tank in lettering of a minimum height of 100mm.
5.0
Each water tank shall have the following minimum attachments.
Attachments
- Automatic infill such that the tank may be refilled from empty within a time period of 6 hours. In case it shall not be less than the size of the Kahramaa supply pipe. - Visual water level indicator of non combustible construction - Balance valve - Drain valve having a minimum size shall be 80mm nominal diameter - Suction connections - Test return pipe(s) - Overflow pipe of minimum size, one diameter larger than the inlet pipe All pipe and other openings into the tank shall be fitted with devices to prevent the ingress of insects. cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
3/7
6.0
Fire pumps shall be listed for service or approved by an authority acceptable t the Qatar Civil Defense. Performance curves on which the system curve and duty point shall be submitted together with hydraulic calculations with the fire protection plans fire safety submission.
7.0
Fire pumps shall be sized and selected in accordance with the NFPA 20 to meet the single largest system demand.
Posted in QCDD Fire Safety Standards | Leave a Comment »
FSS 1.6 (Dormitories) August 24, 2008 FSS 1.6 (Dormitories)
Item
Provisions
Notes
1.0
Water Supplies quantities shall be determined with the
Applicable Codes
cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
4/7
use of the fire codes including the QCD Particular Requirements and the NFPA. 2.0
Water supplies shall be secure and dedicated for fire protection use only.
3.0
Fire Protection water storage tanks shall be constructed of non-combustible materials. They shall be constructed with compartments that allow maintenance without impairment to the system. Each compartment shall be not more than 50%.
Tank Construction
Each compartment shall have its own independent automatic supply inlet.
4.0
The net effective capacity of the tank(s) shall be sized to meet the minimum duration of flow for the fire protection systems determined in accordance with the applicable codes.
Capacity
The net effective capacity of the water tank shall be verified on the fire protection plans of the fire safety submission. These drawings shall clearly indicate size and allowances for fittings, freeboard, inlet pipe arrangement, overflow pipe, suction pipe and fittings, any allowances and the clear volume of water available for use by the fire protection systems. The effective capacity shall also be clearly indicated on the tank in lettering of a minimum height of 100mm.
cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
5/7
0 The provisions of NFPA 101 Chapter 28 shall be applied to all Dormitory occupancies except as modified by the following Particular Requirements.
2. DORMITORIES WITH A HABITABLE HEIGHT LESS THAN 28m
2.1 Dormitories having a habitable height of 28m and less shall not require sprinkler protection provided all of the following conditions are met.
All other provisions of NFPA 101, Chapter 28 are met The floor area per storey does not exceed 2,400sqm The building construction type is Type II (111) or better An automatic smoke detection system is installed throughout the building Fire hose reels and portable extinguishers are installed throughout the building Where access to fire escapes are through internal corridors, the building has a smoke control system designed to pressurize the corridor in accordance with NFPA 92A
2.2 Where a sprinkler system is required, the sprinkler systems may be limited to protection of the corridors and common areas subject to the approval of the Qatar Civil Defense.
3. DORMITORIES WITH HABITABLE HEIGHT GREATER THEN 28m ABOVE FIRE ENGINE ACCESS LEVEL
3.1 Dormitories having a habitable height 28m or more shall require an automatic sprinkler system designed and installed in accordance with NFPA 13 light hazard, for the corridors and common spaces only provided all of the following conditions are met. - All other requirements of NFPA 101, Chapter 28 are met - The building construction type is type is type II (III) or better - The floor area per storey does not exceed 2,400 sqm - An automatic smoke detection system is installed throughout the building cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
6/7
- Fire Hose Reels and portable extinguishers are installed throughout the building
Posted in QCDD Fire Safety Standards | 1 Comment »
Theme: Kubrick. Blog at WordPress.com. Entries (RSS) and Comments (RSS).
cddcomments.wordpress.com/category/qcdd-fire-safety-standards/
7/7
