bids are invited for 1. water storage tank triple layer 1000 ltrs confirming to is 12701-1996 ( make : sintex / ultrapure aqua / polywell ) 2. water storage tank triple layer 500 ltrs confirming to is 12701-1996 ( make : sintex / ultrapure aqua / polywell ) 3. fabrication from structural steel section for staging of water storage tank made of capacity 500 / 1000 ltrs made out of ms angle iron frame of size 50 x 50 x 6mm thick with height of 4.0 mtr above ground level and 0.6 mtr below ground level embeded in pcc 1:2:4 of 20mm graded agg below the ground level. the inner bracing of staging should be fixed with 40 x 40 x 5mm ms angle iron fixed with suitable size ms plate of 3mm thich and at top of the staging 1.2m x 1.2m x 3mm for placing the pvc tank and anchored with ms angle iron frame of size 25 x 25 x 5 mm thick with ht of 0.80 mtr from the bottom of base plate of tank incl ladder complete with two coats of metal painting over one coat of primer ( make of angle iron : tata / sail / jsw ) 4. cement opc 43 grade packed in hdpe bag each 50 kg wt conforming to is 8112 - 1989 ( make:-birla gold / ambuja / ultratech / acc / jk / dalmia ) 5. iwc of vitreous china squatting pan orissa pattern of size 580mmx440mm, dark coloured with p or s trap ( make: parryware / hindware / cera complete in all respects. 6. bib cock long spout brass chromium plated 15 mm weight not less than 330 gm ( make:-ess ess / prayag / johnson suisse ) 7. pvc connection 45 cm long 15 mm ( make:-supreme / johnson suisse / famingo ) . 8. pvc pipe 110 mm dia each 3 mtr length ( make:prince / finolex / supreme ) 9. concertina coil made out of gi matal with galvanising 250 to 300 gms zinc per sqm of dia 600 mm, dia of core wire 2.5 + / - 0.1 mm with tensile strength 160kg / sqm and thickness of blade 0.6 + / - 0.05mm and length of blade 30 mm and width of blade 20mm ( make : sail / tata / jindal ) 10. ppgi roofing sheet 10 x 3 long and thickness 0.63 mm with grard film. the ppgi sheet shall have minimum coating of 4-5 micron epoxy primer and 18-20 micon polyester top coat. the top of 30-40 micon on the finished surface only for protection. the pre coated gi sheet confirm to is -14246-1995 make : unifix / jindal mectec or equivalent brand with is specification. 11. steel bed side locker of size 1000mm x 1520mm x 450mm complete total quantity : 1