Section 36 in Haryana Municipal Drainage and Sanitation Bye-laws, 1977
36. Waste water pipes.
- A waste water pipe from a bath, sink (not being a slop sink), bidet or lavatory basin and pipe for carrying dirty water shall-(i)not discharge as to cause dampness in wall or foundation of a building ;(ii)it discharges into a drain it shall 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 1.80 metres in length, be provided with a suitable trap.
