water storage tank 1000 ltr and hdpe jerrican 20 ltrs , for-palampur . ( quantity may vary at the time of placement of supply order ) . , water storage tank . provn of rotational moulded polythylene water storage tank with lid cylinderical vertical tank double layer of capacity 1000 ltrs as per is 12701-1996 isi marked . make: sintex/star/reno . ( i ) gi nipple 150 mm long 20mm dia - 01 nos ( ii ) gi check nut 20 mm dia with rubber washer - 02 nos ( iii ) gi socket 20 mm dia - 02 nos ( iv ) bib cock brass 20 mm dia - 01 nos ( v ) float valve brass 20 mm - 01 nos , provn of jerrican capacity 20 ltrs . the jerrican shall be manufactured from virgin prime quality material confirming to is 7328 latest . no reprocess grade material shall be used . u . v . stabiliser or u . v . stabilized master batch in required quantity will be used while manufacturing blue jerricane so as to protect them against sun rays , blue and black both types of jerrican shall have minimum shelf life of one year when exposed to sun rays . the jerrican shall be rectangular in shape and stackable vertically without support and caps with inner seal provision . the jerrican shall not have any bulging from the sides in both empty and filled conditions . properties of granules will be as per standard specifications furnished in is 6312-1994 weight of one empty jerrican without lid should be not less than 900 gms .