(2)Sanitary (water closed or flushing type) latrines :-(i)All sanitary (water closed or flushing type) latrines shall be connected to a municipal or common water borne sewerage system or to a septic tank or shall be aqua privy latrines;(ii)Closet.-Water closets in the latrines, shall be of glazed porcelaine, be of the "Wash down type" unless otherwise specified by the inspector of Factories;(iii)Water connection-Each water closet shall possess a flushing rim and a suitable connection for one and half inches down pipe from the cistern and shall be fitted with a trap which shall consist either of glazed stoneware or cast iron;(iv)Flushing cistern.-Each water closet shall be provided with a flushing cistern of a capacity not less than three gallons and shall also be provided with a metal-pull chain and suitable handle or a metal ring.(v)Reserved tanks for cistern-Unless there is twenty-four hours piped water supply a reserve tank of proper construction and adequate capacity for supply of water to the flushing cistern shall be provided. The capacity of this tank shall be such as to provide adequate water supply to the cistern of all the latrines throughout the working hours of the factory.(vi)Septic tanks.-Latrines, other than those connected with an efficient water brone sewerage system, shall be connected with and efficient adequate septic tank alongwith other necessary accessories, including arrangements for ventilation. The septic tanks shall be cleaned at intervals of not more than one year.
