Multi-storeyed, high rise and special buildings shall be provided with fire escape stairs, which will be free of FSI, and they should conform to the following:
- They shall not be taken into account in calculating the evacuation time of a building.
- All of them shall be directly connected to the ground.
- Entrance to them shall be separate and remote from the internal staircase.
- Routes to the fire escape shall be free of obstruction at all times, except for a doorway leading to the fire escape, which shall have the required fire resistance.
- They shall be constructed of non-combustible materials.
- They shall have a straight flight not less than 75 cm. wide with 15 cm. treads and risers.
- They shall be provided with handrails at a height not less than 90 cm. above the tread
Section 44(7) – Requirements of Refuge Area:
In multi-storeyed and high rise buildings, at least one refuge area shall be provided on the floor immediately above 24 m.
- It shall be on the external walls as a cantilevered projection or in any other manner.
- It shall have a minimum area of 15 sq m and a minimum width of 3 m.
- It shall not be counted in FSI.
- Modern building bye-laws regarding Fire safety, as issued by Union of India, Ministry of Urban Development:
Section 4.7.3.c) The approach to the building and open spaces on its all sides upto 6 m. width and the layout for the same shall be done in consultation with the Chief Fire Officer and the same shall be of hard surface capable of taking the weight of fire tender, weighing up to 22 tones for low rise building and 45 tones for building 15 m., and above in height. The said open space shall be kept free of obstructions and shall be motorable.
Section 4.7.3.d) Main entrance to the premises shall be of adequate width to allow easy access to the fire tender and in no case it shall measure less than 5 m. The entrance gate shall fold back against the compound wall of the premises, thus leaving the exterior access way within the plot free for movement of the fire service vehicles. If-archway is provided over the main entrance, the height of the archway shall not be of height less than 5 m.
Union of India, Ministry of Environment and Forests have also issued guidelines:
If height of the building is 15-30 m, then minimum width of the approach road, on which the building is situated must be 15 m. For buildings 30-45 m tall, road width must be minimum 18m, for 45-60 m height, roads must be 24 m wide and for 60m+ tall buildings, road width must be a minimum of 30 m.