kfd requirements for high rise special bldgs
TRANSCRIPT
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CONTENTS
Subject Page No.
Section (115): Special Buildings
Chapter] Highrise Buildings .
Defmitions .
General Requirements .
Construction Requirements .
Fire Spread .
Means of Escape .
Fire Fighting and Alarm Equipment .
Fire Alarm and Communication Equipment .E· . S .ngmeenng ervtces ..
Chapter 2 Temporary and Pre-Engineered Buildings .
Definitions .
Usage .
Building Materials .
Fire Spread .
Fire Fighting and Alarm Equipment .
Engineering Services .
Chapter 3 Construction Sites .
General .
Temporary Constructions and Building
Materials .
Site Planning .
Site Activity Precautions .
Fire Fighting, Alarm and Communication
Equipment .
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Page No. 76
Section (1/5) : Special Buildings
Chapter 1 Highrise Buildings:
1. Definitions:
Highrise buildings are those whose height exceeds the reach of the
fire brigade vehicles. These are usually buildings of eight storeys
or more. or whose height exceeds 24 metres from street level at
the entrance of the building where the fire vehicles will park.
2. General Requirements:
2/1. These regulations are applicable for highrise buildings in
general, taking into consideration careful implementation due
to the high risk in case of fire.
2/2. It shall be taken into consideration that the fire fighting and
prevention in highrise buildings relies primarily on the fire
protection equipment installed inside the building which
should be installed with utmost care to be ready for use at
any time.
2/3. A Safety Team shall be formed under the responsibility of a
qualified full-time employee to supervise the safety and fire
prevention procedures in the building according to the fire
regulations.
3. Construction Requirements:
3/1. Highrise buildings shall be constructed with Type One
materials as defined in Table (4) for the purpose of fire
resistance.
3/2. The building materials shall be non flammable and fire
resistant according to Table (5) i f structural steel elements
are used.
3/3. The conditions of steel protection shall be applied and
supervised by the consultant in co-ordination with the Fire
Department, according to a detailed and pre-agreed time
schedule.
3/4. It is not permitted to use any internal partitions made of
flammable materials. whatever their size and foamed plastic
materials shall not be part of their composition.
Fire Prevention in Buildings
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Page No. 77
3/5. It is not permitted in any part of the building to use any
materials in the decoration and finishing works with a flame
spread rating less than (1).
3/6. Floor carpets, curtains, furnishing or finishing items shall be
made of previously approved materials by the Fire
Department, prior to supply which do not permit flame
spread according to the specifications in Table (5),
4. Fire Spread:
4/1. Each floor shall be considered a separate fire compartment
according to the conditions of Chapter (1 /1 /3) . Thus each
floor shall be deemed to be a safety refuge area in case of
fire on the floor below or above it.
4/2. Each storey shall be divided into at least two fire
compartments if its area exceeds 1000 m2in order to
provide a safety refuge in case of fire. Horizontal exits
according to the conditions of Chapter ( 1 / 1 / 4 ) shall also be
provided.
4/3. The conditions of Chapter (111/5) shall be applied to prevent
fire spread through vertical sha-fts. In case of services or
ventilation shafts, fire stops (one hour rating,) shall be
installed between the floors to prevent the spread of fire.
4/4. The conditions of Article (2/4/1 - 11113) shall be applied
concerning hidden spaces especially around the electrical
cables and services penetrations.
5. Means of Escape:
5/1. The general conditions of Chapter ( 1 1 1 / 4 ) shall be applied
with extreme care for highrise buildings.
5/2. Staircases shall be located at the external walls of thebuilding, and physically isolated from the building and
provided with natural ventilation according to the fire
regulations.
5/3. One of the staircases shall be designated for the firemen to
be used for the launching of the fire fighters into the building
to fight the fire according to the conditions of Chapter
( l f l /2)'
5/4. Temporary exits shall be provided according to the two
Articles (4/1) and (4 /2 ) . leading to temporary refuge areas in
Fire Prevention in Buildings
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Page No. 78
case of fire, according to the conditions of Chapters (1/1/3)
and (1 i1/4).
6. Fire Fighting and Alarm Equipment:
6/1 . Wet risers shall be installed on all floors and in accordance
with the regulations.
6/2. Automatic sprinklers shall be installed on all floors with total
coverage and in accordance with the regulations.
6/3 Flow valves shall be installed on each floor and connected to
the fire alarm system.
6/4. A halon system shall be installed in places of high hazard in
accordance with the regulations.
7. Fire Alarm and Communication Equipment:
7/1. A manual and automatic alarm system shall be installed on
all floors of the building with total coverage and in
accordance with the regulations.
7/2. The main fire alarm panel shall be connected to the nearest
fire station.
7/3. The fire alarm system shall have the necessary provisions to
connect to other engineering systems such as ventilation,
elevators, and fire fighting equipment in accordance with the
regulations.
7/4. A voice communication system shall be installed, covering
all floors and connected with the main fire alarm panel, the
control room and the elevators to be used in case of
emergency by the building safety officials and the firemen.
8. Engineering Services:
The following engineering services shall be implemented with
special care and in accordance with the regulations.
8/1 . Ventilation and Control of Smoke:
Natural ventilation shall be provided as follows:
8 / 1 / 1 For lift shaft, staircase and atriums comply with the
regulations.
Fife Prevention In Buildings
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Page No 79
8/1 /2. Natural ventilation on each floor by providing
openings on the external walls or by providing special
shafts for this purpose with a capacity of at least 6 air
changes I hour in the average.
8/1/3. Ventilation can be by mechanical means suitably
calculated and in accordance with the regulations. In
this case, the operation shall be initiated by the fire
alarm system.
8/1/4. An air pressurization system to control the smoke in
the staircases and escape routes shall be installed
according to the regulations.
8/1/5. The ventilation and smoke control systems shall be
connected to the fire alarm system and other
engineering services as required to serve the purpose
of total fire prevention in the building.
8/2. Elevators:
8/2/1. Elevator installations shall be in accordance with the
fire regulations in general In addition to these
conditions.
8/2/2. At least one elevator shall be classified for use by the
firemen.
8/3. Emergency Generator:
8/3/1. An emergency power generator shall be provided and
sized to accommodate the following loads:
(a) Firemens elevator
(b) Escape route lighting and exit sign lights
(c) Fire alarm and communications systems
(dl Ventilation and smoke disposal system
(e) Fire pumps
8/3/2. Provide a suitable connection to feed the electrical
system from a mobile electrical generator outside the
building.
F ire P re ve ntio n in Build in gs