Section 31(1) in The Faridabad Complex Water-Supply Bye-laws
(1)(a)In every Public building ware-house and industrial building, separate storage tank shall be provided for storage of water required for domestic purposes. The capacity of the tank shall be worked out at the rate of at least 25 litre per occupant. In case of commercial building separate storage tank for storage of water required for domestic purposes shall be provided of the capacity referred to in sub-clause (a), if so required by the Chief Administrator.(a)Character of cisterns and ball halves. - (a) Every storage and feed cistern, shall at all times be made and maintained water tight, shall be properly covered with a close fitting dust-tight mosquito proof, lid rendering contamination impossible and fitted with locking arrangements. It shall be provided with a sound and suitable ball cock of the prescribed kind securely fixed to the cistern independently of the service pipe so that the ball will not become submerged, when the level of the water in the cistern is below the warning pipe or allow the water to rise within one inch of the lower side of the overflow or warning pipe and it shall be provided with an efficient and mosquito proof warning pipe.(b)The overflow or warning pipe shall be fixed in an exposed and conscious position where the discharge of water can be readily seen. The outlet of every warning pipe shall not be less than 60 cm. above the gully over which the same may be fixed. All warning pipe unions shall not be less than 20 cm scrowed to Indian Standard threads, so fixed that the bottom of the pipe shall be 25 mm above top water level.(c)A scour pipe and valve shall be provided at the bottom of cistern for scouring cleaning purposes.(d)A stop cock shall be provided on the outlet pipes of all cisterns fixed in an accessible position.
