supply of chemical for water supply installation for saa under ge(s) tezpur-- 1 only supply of calcium based high strength chlorination chemical for water disinfceant in granular form in factory sealed hdpe container 45 kg drum, chlorine concentratian level 65% to 70% complete all as specified and directed.note : items strictly follow below technical specifications:-test certificate, date of manufacture and date of expiry to be submitted.above item should have manufacuture / packing date not beyound 12 month of procurement date. technical specification:- as per below table :- characteristic unitspecification (i)available chlorine % by mass, min 65(ii) stabilityloss of1/15(iii) partical size (passing through % by mass, min 99.51.70mm is sieve) (iv) water insoluble matter, max % 6(v) calcium hydroxide, max %4(vi) sodium chloride, max %15 2 only supply non ferric alum commercial to supply drinking water as per standard parameters as specified and dircted by engineer - in - charge. 3 only supply soda ash powder to supply drinking water as per standard parameters as specified and dircted by engineer - in - charge. 4 only supply ferric alum commercial (crystal alum) for swimming pool as per standard parameters as specified and dircted by engineer - in - charge. 5 note: (i) contractor shall submit purchase voucher, test certificate with date of manufacture and date of expiry of chemical with each lot supplied to department. (ii) chemical supplied should have min 04 month residual self life at the time of supply.