9.29.5 Corridors and passageways

i) The minimum width of a corridor shall not be less than 75 cm. in the case of 2 storeys row housing residential buildings and 100 cm. in the case of other buildings and actual width shall be calculated based on the provision of Regulations No.9.28.3 to 9.28.8 (both inclusive)

ii) Where there is more than one staircase serving a building, there shall be at least one smoke- stop door in the space between the staircases.

iii) Exit corridors & passageways shall be of width not less than the aggregate required width of exit doorways leading from them in the direction of travel of the exterior / stairways.

iv) Where stairways discharge through corridors & passage ways the height of the corridors & passage ways shall not be less than 2.4 m.

v) All means of exit including staircases, lifts, lobbies & corridors shall be adequately ventilated.

(1) Inserted vide Notification u/s.37(1AA)(c) No.CR.236/18 (Part 6), dt.12th October, 2022