Section 97 in The Punjab Capital (Development and Regulation) Building Rules, 1952
97. Waste pipe.
- A waste pipe from a bath, sink (not being a slop sink), bidet or lavatory basin, and a pipe for carrying off dirty water from the kitchen shall -(i)discharge of as not so cause dampness in a building;(ii)if it discharges into a drain, be disconnected from the drain by a trapped gully with a suitable grating above the level of the water in the trap;(iii)if it is more than six feet in length, be provided with a suitable trap;(iv)if it discharges into a soil pipe from a water closet or a waste pipe from a slop sink, be provided (whatever its length) with a suitable trap with minimum water seal of 2", adequately secured against destruction of the water seal by syphonage action.(v)be constructed in the same manner and of the same material and same weight as if such pipe were a soil pipe.
