FIRE PROTECTION REQUIREMENTS FOR MULTI STOREYED BUILDINGS

Main fire protection requirements for multi-storied buildings can be summarized as under.

FIRE PROTECTION IN MULTISTOREYED BUILDING
FIRE PROTECTION IN MULTI-STOREYED BUILDING

1. Structure

  • The structural framework can be in R.C.C or steel. In case of steel structure, it will be necessary to encase the structural components by tiles, concrete or bricks.
  • The fire resistance of load bearing walls, columns and beams should not be less than two hours.

2. Internal Walls & Partitions

  • Internal walls could be in brick, hollow concrete blocks, tiles or timber.
  • The materials of the wall should, however, be treated in such a manner that they should have fire resistance of not less than one hour.

3. Staircase

  • The enclosing walls of the main staircase should have a fire resistance of not less than one hour.
  • The staircase enclosure should be of self contained type with one side preferably being adjacent to an external wall.
  • Staircase should not be arranged around the lift shaft.
  • Access to the staircase should be through doors having fire resistance of at least half-an-hour. The doors should be of swing type opening in the direction of the escape.
  • The door of the staircase enclosure at ground floor should open out into an open space.
  • Adequate number of staircases should be provided to meet the travel distance requirements of the type of building.

4. Fire Escape or External Stairs

  • In addition to the main staircase it is necessary to make suitable provision of fire escape in the form of external stairs.
  • All fire escapes should be directly connected to ground floor and their entrance should be away from the internal staircase of the building.

5. Basements

  • The basement should be properly ventilated.
  • The main staircase of the building should preferably terminate at ground floor and as far as possible the access to basement should be through a separate staircase.
  • The staircase of basement should be of enclosed type and should have fire resistance of not less than two hours.
  • In case the basement is to be used for car parking, installation of electric sub-station, storage of combustible material, etc it is necessary to install sprinkler system for extinguishing fire.

6. Water Storage Tank

  • There should be a provision of an underground water storage tank of 100,000 to 200,000 liters capacity exclusively meant for firefighting purposes.
  • The tank should have arrangement of replenishment of the water either by municipal means or by tube well.

7. Fire Detection and Extinguishing System

  • All multi storied buildings should have adequate provision for fire detection and fire extinguishing system.

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