Section 114 in Kerala Municipality Building Rules, 1999
114. Fire escape stairway.
(1)Every high rise building shall be provided with a fire escape stairway.(2)Fire escape stairway shall be directly connected with public or common areas on all floors and shall lead directly to the ground.(3)At least one side of the stairway shall be an external wall either with large openings or with break open glass to facilitate rescue operations during an emergency.(4)External fire escape staircase shall have straight flight not less than 75 cm wide, with 20 cm treads and risers not more than 19 cm. the number of risers shall he limited to 16 per flight.(5)The height of handrails shall be not less than 100 cm and not more than 120 cm.(6)The use of spiral staircase as external fire escape stairway shall be limited to buildings with height not exceeding 10 metres.(7)A spiral fire escape stairway shall be not less than 150 cm in diameter and shall be so designed as to give adequate headroom.
