provision of clean drinking water to troops fdls of 21 bn now 102 bn bsf under shq bsf kupwara sh procurement of 32 mm dai hdpe pipe with food grade water storage tanks and fittings , supplying of hdpe pipe of material grade pe-100 , pressure rating: pn 10 . 0 , nominal diameter: 32 mm , thickness ( minimum ) : 2 . 40 mm , weight in 0 . 250 kg/mtr , supplying of cylindrical double layer hdpe food grade material water storage tanks with locking arrangement of capacity 500 ltrs along with lid conforming to is : 12701: 1996 , supplying of pvc sockets of 32 mm dia with isi maked approved brand , supplying of pvc unions of 32 mm dia with isi maked approved brand