SUPPLY OF WATER DISINFECTANT CHEMICALS I.E. CALCIUM HYPOCHLORITE, ALUM, POLYMER ETC. INCLUDING REPAIR, REPLACEMENT/MAINT AND SERVICING OF PACKAGE TYPE FILTERATION PLANT AND CONNECTED ASSETS AT HQ AREA AT AF STN DIGARU.

Amount

Supply of Sodium Hypochlorite Solution available chlorine percent by mass by volume (as CI) : 10% packing in 35Kg/50Kg/100 Kg plastic recycled jars availability of test report from a laboratory/study/centre of any state university (a university established or incorporated by a provincial act or by a state Act) OEM must possess the following vaild certificate FSSAI, ISO 9001, ISO 14001, ISO 45001 superior quality sultable for drinking water and swimming pool all as specified and directed by Engr-in-Charge. Make : As per approved make list of E-in-C / Best Quality conforming to IS as approved by GE.

Supply of alum coagulant crystal type grade - I quality, in factory sealed packet. Make :- Any make approved by E-in-C's Br/HQ CE Eastern Command Kolkata & ADG(NEI) Guwahati

Supply of Hydrated lime conforming to IS for water treatment in factory sealed packet. Make : Best Quality conforming to IS as approved by GE.

Supply of Polymer liquid for raw water flocculant ,in factory sealed Container. Make: Bharat Trading corporation/Ion Exchange/ Depac (Declibac) or equivalent approved by E-in-C's Br/HQ CE Eastern Command Kolkata / ADG(NEI) Guwahati.

Supply of Alum ferric (Coagulant) grade-I quality conforming IS, in factory sealed packet. Make : Best Quality conforming to Indian Standard or as approved by GE.

Supply of stable Bleaching Powder(Grade-I) confirms to IS-1065 Part-I 2019 in 25 Kg factory sealed container/ drums. The bleaching powder should be free from lead and must have CIAS (corrosion inhibitor & anti scalant) that is suitable for treatment of drinking water all as specified and directed. Make: Best Quality conforming to Indian Standard as approved by GE.

Supply of Chlorine Tablets contained in plastic cylinderical sealed disposable sanitiser refill (dia 2.5 inches plus minus 0.5 inches height 10 inches plus minus 0.5 inches) for disinfection of drinking water with arrangement for controlled release of disinfectant water. Note:- The product media should have heavy metal contaminers below detecable limits & must pass the acute toxicity (confirm to non toxicity for mammalian cells) and safe for human health safety point. The brand and make of the sanitizer must be stated and certified by a laboratory/study centre of any Govt.University. Make: Best Quality conforming to Indian Standard or as approved by GE.

Supply only orthotolidine solution in 22ml to 30 ml capacity dropper bottles complete all as specified and directed.

Painting to the existing iron filteration plant 02 Nos and floccluation chamber 02 Nos at New filteration plant HQ area including suction and discharge pipe line valve control with scrapping the existing paint with wire brush and painting with two coats of synthetic enameled spray paint after making good to existing painted surfaces complete all as specified and directed by Engr-in-Charge.

Removing of existing rubber gasket from filteration plant and supply and fixing new gasket of size 6 mm thick.

Repair/replacement of u/s butterfly valve 80 mm lever operated IS 3095 including nut,bolt,gasket etc complete all as specified and directed.

Removal of existing old gravel and sand from auto valve gravity filter at New filtration plant, HQ area and depositing the old gravel and sand at a distance not exceeding 50 meter and cleaning filter chamber and wall surface throughly etc. complete all as specified and directed by Engr-in-Charge.

Supply and filling of filter media using graded gravel of same size as existing including washing, drying and screening to meet product and particle size specifications and stringent requirement for the filtration of water complete all as specified and as directed by Engr-in-Charge.

Supply and filling of filter media using silica filteration sand same as existing size to meet product and particle size specifications and stringent requirement for the filtration of water complete all as specified and as directed by Engr-in-Charge.

M/s Dhruv Enterprises (BID ID -3089061)

M/s Rawat Enterprises (BID ID -3089108)

M/S DAS CONSTRUCTION (BID ID -3088660)

FRIENDS ENTERPRISE (BID ID -3088744)