supply of certain chemicals for water supply installation , swimming pool , stp at military station sri ganganagar , supply of stable bleaching powder grade-i conforming to is-1065/1989 ( revised ) as amended upto date having available chlorine contents minimum 34% by mass and packed in 25 kg polythene bag having double fold complete all as specified and directed by engineer-in-charge . ( make : micro brand of grasim industries/cci brand / shri ram/modi ) , supply of alumino ferric ( grade-4 ) with additional requirements for purification of water containing lead ( pb ) 30 parts per million maximum and arsenic ( as 203 ) 6 parts per million maximum conforming to is-299/2012 ( revised ) as amended up-to-date complete all as specified and directed by engineer-in-charge . ( note:- the alumino ferric shall be supplied in superior quality bricks ( slabs ) as per is specifications . manufacturers name/trade mark shall be engraved on each brick ( slab ) . ( make : radhe enterprises , vipin kala namak factory ( p ) ltd , gurjar industries , nr chemicals corporation ) , supply of alum ferric ( grade-i ) in crystal form suitable for swimming pool packed in hdpe bag of 50 kgs each complete all as specified and directed by engineer-in-charge . ( make : radhe enterprises , vipin kala namak factory ( p ) ltd , gurjar industries , nr chemicals corporation ) , supply of calcium hypochloride-65% chlorine ( calcium based white to off white free flowing solid granular chlorination chemical ) in 45 kg/25 kg packing in plastic drum complete all as specified and directed by engineer-in-charge . ( make:aquafit of make shree rayalaseema hi-strength hypo ltd or equivalent any e-in-cs approved make ) , supply of copper sulphate ( cuso4 . 5h2o ) in granular form crystal type laboratory grade in 50 kgs polythene bag having double fold suitable for swimming pool as per is specifications complete all as specified and directed by engineer-in-charge . ( make : anil trading co . , laxmi enterprises , shri krishna entriprises , shelka chemical industries and mahavir chemical industries ) . , supply of poly aluminium chloride-inorganic soluble polumer powder packed in 25 kg plastic bags complete all as specified and directed by engineer-in-charge . ( make brand : vikram pac-ac 100s grade medium basicity of m/s grasim industries ltd . or equivalent any e-in-cs approved make ) , note:- srl item no 01 to 06 orignal purchase voucher and test certificate shall be submitted by contractor to engineer-in-charge .