Section 61 in The Haryana New Mandi Townships Building Rules, 1967
61. Material and construction of drains - [Section 4(2)(1)].
- Every drain (other than a subsoil drain or a drain for the conveyance solely of trade effluent) constructed in connection with a building shall comply with such of the following requirements as are applicable -(i)It shall be constructed of good sound pipes of suitable material and this requirement shall be deemed to be satisfied if new glazedware pipes conforming to either British Standard Specification No. 65-1937 or No. 514-1937 or new cast iron pipes conforming to British Standard Specification No. 78-1938 or new concrete pipes conforming to British Standard Specification No. 556-1934 are used, provided that in the case of connection from the closet to the nearest manhole cast iron soil pipes conforming to British Standard Specification No. 416-1935 may be used. If the pipes traps and fittings are made of cast iron, they shall be effectually protected against corrosion by being coated on both the inside and the outside, with suitable anti-corrosive solution;(ii)It shall be properly supported and protected against injury, laid at a proper inclination and where practicable in a direct line and provided with suitable water tight joints;(iii)It shall be capable of withstanding a reasonable hydraulic test smoke or air test under pressure or other suitable test;(iv)It shall be adequate size and if intended for the conveyance of foul water shall have an internal diameter of not less than 100 milimetres (4 inches) : 3.937;(v)Where it passes through a building it shall to that extent be constructed of cast iron or other not less suitable metal; provided, however, that no drain shall pass through or under the floor of a habitable room;(vi)Where it is laid or in ground -(a)if it is constructed of material other than cast iron or other metal of not less strength it shall so far as it lies within a distance of 15 metres (49.213 feet) from the building, be laid on a bed of concrete unless the nature of the soil renders this unnecessary;(b)if it is constructed of corrosible material, it shall be suitably protected inside and outside against corrosion;(vii)No part of the drain shall be laid under any building where any other mode of construction is practicable;(viii)Where a part of the drain is laid under a building, that part shall -(a)be laid in a straight line for the whole extent beneath the building or, if this is impracticable in a series of straight lines;(b)be constructed of cast iron pipes, completely embedded in and covered with 1:3:6 cement concrete at least 15 centimetres (5.906 inches) thick all round;(c)be provided with adequate means of access for its whole length and if not laid in one straight line, be provided with an inspection chamber at each change of direction;(ix)Every inlet to the drain other than an inlet provided for a ventilation of the drain, shall be properly trapped.
