Emergency Exit or Fire Exit Guidelines as Per Tamil Nadu Factories Rules 1950
Emergency Exit is the designated way out of a building, to be used for escape in the event of an emergency. We should follow the safety rules without fail. I have shared few guidelines for your reference.
In every room of a factory exits sufficient to permit safe escape of the occupants in case of fire or other emergency shall be provided which shall be free of any obstruction.
The exits shall be clearly visible and suitably illuminated with suitable Arrangement
The exits shall be marked in a language understood by the majority of the Workers.
Iron rung ladders or spiral staircases shall not be used as not be used as exit.
Exits shall be so located that the travel distance to reach atleast one of them on the floor shall not exceed 30 meters
In case of those factories where high hazard materials are stored or used,the travel distance to the exit shall not exceed 22.5 meters and there shall be atleast two ways of escape from every room, however small, except toilet rooms
No exit doorway shall be less than 100 cm in permitted
Exit doorways shall open outwards, that is, away from the room but shall not obstruct the travel along any exit. No door when opened shall reduce the required width of stairway or landing to less than 90 cm overhead or sliding doors shall not be installed for this purpose.
Where stairways discharge through corridors and passage ways, the height of the corridors and passage ways shall not be less than 2.4 meters.
The minimum width of an internal staircase shall be 100 cms
The minimum width of treads without nosing shall be 25 cm. for an internal staircase. The treads shall be constructed and maintained in a manner to prevent, slipping.
The maximum height of a risor shall be 19 cm. and the number of risors shall be limited to 12 per flight
Hand rails shall be provided with a minimum height of 100 cm. and shall be firmly supported.
The horizontal exit shall be equipped with atleast one fire door of self closing type.
The floor area on the opposite or refuge side of a horizontal exit shall be sufficient to accommodate occupants of the floor areas served, allowing not less than 0.3 square meter per person. The refuge area shall be provided with exits adequate to meet the requirements of this sub-rule at least one of the exits shall lead directly to the exterior or street.
Where there is difference in level between connected areas for horizontal exit, rams not more than 1 in 8 slope shall be provided. For this purpose steps shall not be used.
In any building not provided with automatic fire alarm a manual fire alarm system shall be provided if the total capacity of the building is over 500 persons,or if more than 25 persons are employed above or below the ground floor, except that no manual fire alarm shall be required in one-storey buildings where the entire area is undivided and all parts thereof are clearly visible to all occupants.