Section 23 in Haryana Municipal Drainage and Sanitation Bye-laws, 1977
23. Drain to be air, smoke and water tight.
(1)Every drain shall be so constructed as to be air, smoke and water tight and to be capable of resisting a pressure of at least 1.50 metres head of water above the highest pipe.(2)No drain shall be covered up until it has been tested in the presence of a representative of the committee and passed by the committee. A record of the passing of drain shall be given to the registered plumber.
