رقم الدفاع المدنى 998

Preventive Requirements for the protection against fire in collective buildings


• Preventive Requirements for the protection against fire in collective buildings:

Index

 symbol  Fifth chapter: Preventive Requirements for the protection against fire in collective buildings:
 5-1  Gathering buildings
 5-2  The seriousness of fire
 5-3  Structural requirements
 5-4  Different usage
 5-5  Control over the spread of fire
 5-5/1  Horizontal proliferation
 5-5/2  vertical proliferation
 5-5/3  exterior proliferation
 5-5/4  The arrival of the civil defense vehicles
 5-6  Ways of escape
 5-6/2  Absorption capacity
 5-6/3  Capacity
 5-6/4  Transition distance
 5-6/5  Direct distance
 5-6/6  Passages
 5-6/7  Exits
 5-6/8  Stairs
 5-6/9  Final exit
 5-7  Firefighting and alarm equipments
 5-8  Engineering services
5-9 Special protective conditions (cinema and theater)

• Protection requirements for preventive of fire in the collective buildings:

 Index tables

 page    Table number  Table name

   5-1

 The number of exits according to the audience’s halls in cinema and theater.

   5-2

 Firefighting equipments in the gathering premises according to the category, rise, and structural classification.

   5-3

 Water sprinklers requirements in the gathering premises according to the category, rise, and structural classification.

    5-4

Special engineering services to protect from fire in the collective premises.

 • Preventive requirements for fire protection in the gathering buildings:

 5-1  Collective premises:
Is the buildings or its parts that are specialized in the gathering
(50) person or more for the purpose of entertainment, culture, and sport such as:
Worship places
Meeting rooms
Bank halls
Big libraries
Covered stadiums
Lecture halls
Show rooms
Museums and theaters
Sport clubs
Courts
 5-1/1  The collective buildings are divided according to the number of absorption into:
 5-1/1/1  Category (a) building that can handle more than 1000 person.
 5-1/1/2  Category (b) building that can handle between 300-1000 people.
 5-1/1/3  Category (c) building that can handle between 50-300 people.

 5-2  Seriousness of fire: the seriousness of fire is classified in the gathering buildings as a risk of a light level.

 5-3  Structural requirements:
 5-3/1  Conditions of the first section must be applied to provide safety structure installation from the fire.
 5-3/2 The validity of the buildings is specialized from the construction side in order to be used in the purposes of gathering according to the Table 1-2 "Classification of buildings in terms of its resistance to fire."

 5-4  Mixed use:
 5-4/1  In the case of the assembly buildings are used for other purposes, or in the event that the rally was part of the buildings of other use, it must be separated to make each part an independent fire sector with independent ways of escape.
 5-4/2  It is not right for the buildings of category (a) to be mixed with others of different usage, except with those that have a relation in the type of use of the compound such as restaurant, cafeteria, and others. Other than this, each case individually undergoes study and the civil defense will determine what is adequate to be done.

 5-5  The control over the spread of fire: the conditions of the first section must be applied in addition to this:
 5-5/1  Horizontal spread: the area of the fire sector should not exceed (700m3)
 5-5/1/1  Different sections must be separated, and each is considered to be an independent fire sector, such as the audience hall, theater, awaiting lobby, clothes room, actors’ rooms, and decoration rooms. As well as the separation of the places of different usages.
 5-5/2  Vertical expansion: each floor is considered as an independent fire sector. And in case there was a(middle Atrium), certain terms are applied.
 5-5/3  Exterior stretch: the terms of the first part are applied concerning the distance between the buildings and the outer walls.
 5-5/4  The arrival of the vehicles related to the civil defense: the vehicles must reach the compound buildings easily.
 5-5/4/1  A road or a street must be provided that reaches the compound buildings in which it supply a way to make the vehicles of the civil defense arrive to at least two facades of the premises, and through which the main entrance of the building overlooks at one of these sides.
 5-5/4/2  Special parking around the building must be provided for the vehicles of the civil defense and according to the terms of the special chapter of organizing the location.

 5-6  Ways to escape (emergency exits)
 5-6/1  The general terms of the ways to escape must be applied in addition to these conditions:
 5-6/1/1  The ways of escape from the gathering hall must be independent from other divisions of the buildings category (a and b) such as the theater, actors rooms, warehouse, workshops, and others, and that should have independent escapes that lead directly to the outside.
 5-6/1/2  All the escape ways must be protected from fire for it is considered to be a fire sector that is build of incombustible substances with a resistance not less than one hour, and an automatically closing doors preventing fire for at least one hour.
 5-6/1/3  In all the buildings of category (a and b), the arrival to the exit or stairs through a safe lobby is according to certain terms.
 5-6/2  The absorption capacity: is estimated according to what was mentioned in the ways of escape (emergency exits) table 3-4, and taking into consideration the number of seats and whether it is fixed. As for the other usage if it was independent such as the restaurants and others, each use in this case will be taken alone.
 5-6/3  Capacity: the width of the escape ways are calculated according to the number of the people that use it and as it was shown in the part of ways of escape (emergency doors).
 5-6/4  Transition distance: the transition distance should not exceed from any point to reach the final exit or the protected stairs more than these numbers:
 5-6/4/1  The transition distance from any point to the exit or protected stairs in the hall with armchairs seats is (20m).
 5-6/4/2  The transition distance from any point to the exit or protected stairs in the hall with normal seats is (15m).
 5-6/4/3  The transition distance from any point to the exit or protected stairs in the hall with various opened stuff is (30m).
 5-6/5  The direct distance from any point to the exit or protected stairs in small lobbies (15m) under a condition that it shouldn’t handle more than 30 people.
 5-6/5/1  The direct distance from any point to the exit or the protected stairs in the rooms or divisions related to the theater is (7.5m).
 5-6/5/2  The big halls for various opened usages such as the showrooms and wedding halls must have the direct distance more than 30m under a condition that the flight of steps and exits distributed in the building area and not far away from each other more than 60m.
 5-6/6  Passages: general terms for the passages must be provided.
 5-6/6/1  The passages must be organized where it directly leads to the outside.
 5-6/6/2  Barriers (rail) must be installed to the progressive corridors according to conditions.
 5-6/6/3  The width of the corridors must be enough to absorb the flooding of the people that use it, under a condition that it shouldn’t be less than (2m) for the main corridors, and (1.5m) for the sub passages.
 5-6/7  Exits: general conditions must be provided as it is shown in part 3 ways of escape (emergency doors).
 5-6/7/1  All the exits must lead directly to the outside, or to the stairs or safe passage from fire which is separated from the building with an isolating space.
 5-6/7/2  The number of the exits must be according to the general conditions in which it shouldn’t have less than two exits for the lobbies and related divisions such as the theater stage, actor’s rooms, employees and warehouse, workshop, and others. And the following table 5-1 reveals the number of exits in accordance to the audience halls in cinema, theater, and lecture lobbies.
 5-6/7/3  The exits of the lobby must be independent from other divisions especially the theater, and leads directly to the outside.

The number of exits concerning the public rooms in the cinema and theater 

 Type of the seats  Number of the people  Number of the exits  The width of the exit
 Normal      

 3000

 4

       According to the number of people

 600-1000

 3

 300-600

 2

 50-300

 2

 Armchair

 For each five rows of chairs

 2

 180 cm

Table number 5-1

 5-6/8 Stairs: the general conditions must be provided as it was mentioned in the sixth part ways of escape (emergency exits).
 5-6/8/1 Slopes: slopes must be provided in buildings for educational for the uses of the disabled.
 5-6/8/2 There must be at least two stairs in each floor.
 5-6/8/3 The stairs must be protected and separated from the building with an isolating protected space from fire that leads directly to the outside.
 5-6/8/4 The width of the stairs must be adequate to the number of the people that uses it, and should not be less than the total width of all the corridors that lead to it.
 5-6/8/5 In case the gathering halls were allowed to be used in upper floors or in the basement of the building, the stairs must be of a wider width, and the staircase should be with a bigger area for resting.
 5-6/9  The final exit: in all cases, all the escape means must lead to the final exit that in its turn lead directly to the outside.
 5-6/9/1 The buildings or its part of category (c),half of the escape way could end up to a place inside the building, if the general conditions of the escape means were provided.

 5-7  Equipments and alarms of firefighting: the terms of part one must be applied to provide the structure with safety against the seriousness of fire.
 5-7/1  Firefighting equipments and alarms must be provided, and the engineering services special for protecting against the fire in the compound buildings.
 5-7/2  The fire equipments and alarm must be according to the design, implementation, and maintenance regarding to the special terms of the fire fighting equipments and alarm, or due to the guidance of the civil defense.
 5-7/3  The civil defense may have the right to request for extra equipment as an alternative for certain protecting procedures according to the conditions.

• Fire-fighting equipment for the premises groupings
concerning the category, rise, and the structural classification.

 gender  

 Required cases

 1

                                     Manual fire extinguishers

 1

 Manual extinguishers  All floors

 2

                                         Fixed installation

 1

 Rubber hoses network  All floors

 2

 Dry network nozzles  More than four floors (ground floor + three floors) with a height more than 28m, or two floors with a total area that exceed 1000m2.

 3

 wet network nozzles  With a height more than 28m or more than two floors with an area that exceed 1000 m2 for each floor.

 4

 Exterior network nozzles  According to the size of the building

3

                                       Automatic fixed systems  

 1

 Automatic network of water sprinkler to fight fire.  According to the table number 5-3 ‘water sprinklers requirements for fire fighting in the compound buildings.

 Automatic sprinkler of other substances  Special serious places where water can’t be used.

 4

                                         Fire alarm systems:  

 1

 Manual fire alarm network  in the halls that have different usages and passages.

 2

 Automatic fire alarm network  All floors

Table 5-2

• Requirements of water sprinklers for fire-fighting in gathering buildings
according category, rise, and structural classification

 category  Number of people  floor  Structural classification  Sprinklers requirements

 A

   

     More than 1000 person

 basement  All types  Wanted
Ground floor to the third floor  First type  Not wanted
 The fourth floor and above  All kinds  wanted

 B

 

   300-1000 person

 basement  All kinds  wanted
Ground floor and the first floor  First and second types only  Not wanted

 C

    

     50-300 person

 basement  All kinds  Wanted
Ground floor and the first floor  First, second, and fourth type only  Not wanted
Ground floor only  Fifth type temporary with certain terms  wanted

 5-8  Engineering Services: You must abide by the Section IV, "General requirements for engineering services, with a focus on what was in Table 5-4.
 5-8/1  Ventilation in the theater: ventilation system must be provided according to international standards approved by the Civil Defense in the theater.
 5-8/2  Civil defense requests for additional equipment or a substitute for other preventive certain conditions.

• Engineering services special for fire protection in compound buildings:

 gender    

 Required cases

 1    Ventilation system  According to the international standards that are adopted by the civil defense.
 2       Illuminated guiding signs Basement and ways of escape (emergency exits)
 3    Emergency lighting network  Basement and ways of escape (emergency exits)
 4    Reserve power source  If the height was more than six floors or 20m whatever is less.
 5    Fire elevator  If the height was more than 6 floors or 20m according to the least.
   6  Automatic fire doors  According to the protections in the fields of engineering.

Table 5-4

 5-9  Special protective conditions: in the case of cinema and theater, each case is studied individually to provide it with the necessary conditions. We can count on the American terms (N.F.P.A.101) or the international standards as a reference for more details of these buildings, in addition to the following conditions.
 5-9/1  Seats: the fixation of seats must be organizes according to the following standards.
 5-9/1/1  Dimensions between the rows.
 5-9/1/1/1  Net dimension among the normal seats in a row is 30cm.
 5-9/1/1/2  Net dimension among the armchair seats in a row is 50cm, if the number of seats was 25 seats or less.
 5-9/1/1/3  Net dimension among the armchair seats in a row is 60cm, if the count of seats was more than 45 seats.
 5-9/1/2  Number of seats.
 5-9/1/2/1  The number of seats in one row is at least four.
 5-9/1/2/2  The number of seats in one row is seven for maximum, when it overlooks at one passage of normal seats.
 5-9/1/2/3  The number of seats in one row is fourteen for maximum when it overlooks at two passages of normal seats.
 5-9/1/2/4  Number of armchair in one row is 100 for maximum when it overlooks at two passages.
 5-9/1/2/5  You can increase the number of normal seats in one row up till 11 seats that overlooks at one passage, if the dimension between the seat row with 25mm for each seat.
 5-9/1/2/6  You can increase the number of normal seats in one row up till 22 seats that overlooks at two passages, if the dimension between the seat row with 25mm for each seat.
 5-9/1/3  Fixing the seats.
 5-9/1/3/1  The seats must be well installed in all halls that are permanently specialized for the audience such as cinema, theater, and lecture halls.
 5-9/1/3/2  In the cases where the seats can be fixed only temporary to do the following procedures:
 5-9/1/3/2/1  Tie the seats together in groups not less than four, and each case will be studied individually.
 5-9/1/3/2/2  The seats that are on the parties must be fixed, as well as the front row, and those that overlook upon the passages and exits.
 5-9/2  Floor.
 9-1.4.1  The slope angle of the hall’s floor must not exceed 35 degrees with the horizontal line.
 5-9/3  In the multi-purposes halls and that can be used as showrooms, the protective terms must be applied in the industrial buildings as well as the following conditions.
 5-9/3/1  The area of the exhibition place must be organized in which there will be organized passages according to these terms.
 5-9/3/2  The shelves must be made of incombustible materials.
 5-9/3/3  The guidance signs and the fire equipments must be provided.
 5-9/3/4  The civil defense must be consulted in case of temporary and seasoning exhibitions to get the guidance and the necessary preventive requirements.