Section 77 in Faridabad Complex Administration Building Rules, 1989
77. Size of down pipes. Sections 43(2), 57(2)(m).
- A down pipe of minimum area of 75 square centimetres shall be provided for every 50 square metre of the flat roof area (slope of roof being 1:48) or for every 100 square metre of sloping roof area (slope or roof exceeding 1:48).
