Supply of chemical for water treatment for various pump houses at SAA under GE(S) Tezpur

Amount

Supply only Calcium Hypochlorite calcium based high strength granular chlorine having 65 % - 70 % chlorine content packed in 45 Kgs PVC sealed container, superior quality suitable for treatment of drinking water and swimming pool ( Much more stable than chlorine gas, bleaching power and sodium hypochlorite) all as specified and directed. NOTE :- Approval of chemical (calcium hypochlorite) shall be given after verifaction of test certificates of chemical of various manufactures and other factores like chemical and safety and health hazard aspects of usage of chlorination . Make of the chlorination of chemical must be stated in production of certificate duly certified by govt laboratory conforming compliance of specification suitable for drinking water with a declartion from the laboratory that from the technical strengh stability health safety and operation point of view , this product is used for drinking water applications for consumption by humans and the brand/make of calcium hypochlorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory. Traditional means of chemical shall be used subject to fulfil the parameters specified in the manual on water supply and treatment (Third edition May 1999) issued by Central Public Health and Environmental Engineering Organisation (CPHEEO), Ministry of Urban Development New Delhi. The contractor shall produce manufacturers "Certificate of Compliance" indicating date of manufacturer in original alongwith every consignment of supply. Test certificate from Govt approved Test Laboratory shall accompany with every consignment of supply to ensure that the materials supplied are in with conformity with relevant IS. Make : As per approvals E-in-C's Branch/HQ CE Eastern Command

Supply only multi-cavity water sanitiser / conditioning station with proportional dosing arrangement at zero discharge of the following specifications and directed:- (a) MOC: Non-Metallic, Maximum Temperature: 45 degree Centrigrade, Operation: Power-free Automatic, Dosing pattern: Proportional, Capacity: 100 litres to 200 litres, Tank lid must have provision for mounting dosing pump on the lid / wall, Cavities are complete with lids, Attachments: (i) Overflow Valve, (ii) Water Inlet Valve, (iii) Outlet Valve (for offline automated gravity flow) (iv) Drain Valve. Make:-Altoch Dosing System Model ADS - PRO compatibility : stequa 411 AE Refill/Prefill Total refill or as per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only Refill: Chlorine tablets contained in plastic cylindrical sealed disposable sanitiser refill for disinfection of drinking water, suitable for operation through recommended dosing system. (i) Replacement indication: visual & weight variation (ii) Water contact orifice design: sealed when dry, exposed upon immersion (iii) Operation type: Non contact, non inhalatory (iv) Cylinder dia: 2.5 inches + 0.5 inches (v) Cylinder height : Minimum 10.0 inches + 0.5 inches (vi) Operational stipulations: (a) Heavy metal (Pb & Hg) contamination in the product media must be BDL as per AAS data (b) Minimum volume of water disinfected by each Chlorine tablets Refill to obtain disinfection activity of 1 ppm on spot (Influent water quality variation, ambient & site condition variations apply) as per absorbance data generated at λmax 515 nm. Three Hundred Fifty Thousand litres. (c) Stability : Active ingredent stabilty (when stored at 25-45 degree Centigrade temp) must be at least 98% after one year as per data generated by accelerated Stability test protocol. (d) Safety & health hazard aspects on usage of the product media for regular drinking water disinfieciton: Heavy Metal contaminants (like Mercury & lead) in product media must be below detectable limit (BDL), and the product must pass the Acute Toxicity test (to specially confirm non toxicity for mammalian cells), based on which the product must be considered sate to use form human health safety point of view and freedom from toxicity when used in drinking water disinfection in recommedned dosage. (e) The refills must ensure infrastructural safety (as per date generated by Electrolytic Conductivity (µs/cm) test protocal) and operators health safety (f) Chlorine tablets Refill must be complaint with operators health safety considering regular exposure. The brand and make of the sanitiser must be stated and certified by a laboratory /study centre of any Govt. University. Make:- Declibac Stequa 411 AE or as per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only Plastic cylindrical sealed disposable floating sanitiser station for disinfection of swimming pool & cooling tower water containing algaecide & coagulant with arrangement for controlled release of acive ingredients in water, and head suspender. Disinfection capacity: 16.0 LL Water at 0.5 ppm Ac Cl at release site (subect to site & raw water quality variations). (a) Replacement indication: visual & weight variation (b) Operation type: Non contact, non inhalatory (c) Cylinder Dia:2.5 inches + 0.5 inches (d) Cylinder Height: 26.0 inches+ 0.5 inches .Make:- Declibac Model: Stequa 412 HD or as per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only comparator with lid, 30 tablets x pH RAPID, 30 tablets x Chlorine RAPID 1 instruction sheet, 1 plastic box. Note: pH range: 6.8-7.0-7.2-7.4-7.6-7.8-8.0-8.2. Chlorine range: 0.1-0.3-0.4-0.5-0.6-0.8-0.9-1.0-1.5-2.0-3.0. Make:- Declibac Stequa Purity Verifier 41021(Item code: PVFC 3041021) or as per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only Packet of 100 tablets pH RAPID as directed . Make:- Declibac PVPH 41021 for STEQUA Purity Verifier 41021 or as per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only Packet of 100 tablets Chlorine RAPID as directed . Make:-Declibac PVFC 41021 for STEQUA Purity Verifier 41021 As per approval of E-in-C's Branch / HQ CE Eastern Command Kolkata

Supply only Poly Aluminium Chloride (PAC) inorganic soluble polymer raw water flocculants powder in 25 Kg bags conforming to the following specifications: - (a) Bulk Density/specific Gravity at 20 Degree Celcius: 0.75 + 0.10 (b) PH Value of aqueous solution (w/v): 3.5 – 5.0 (1%) (c) Chloride content (w/w): 31.0% + 2.0% (d) Sulphate content: 10 % (Max) (e) Basicity: 40.0 + 5.0 (f) Mercury & Lead: Not Desirable. Make: E-in-C's approved make or equivalent Eastern Command approved make. Note:(a) The contractor shall produce manufacturers "Certificate of Compliance" indicating date of manufacturer in original alongwith every consignment of supply. (b) Test certificate from Govt approved Test Laboratory shall accompany with every consignment of supply to ensure that the materials supplied are in with conformity with relevant IS.

Supply only bleaching powder of grade confirming to IS-1065-1989 (2nd Revision) minimum markable chlorine 33.5% by mass packed in HDPE bag of 25 Kg capacity ISI marked complete all as specified. Make: E-in-C's approved make or equivalent Eastern Command approved make. Note: (a) The contractor shall produce manufacturers "Certificate of Compliance" indicating date of manufacturer in original alongwith every consignment of supply. (b) Test certificate from Govt approved Test Laboratory shall accompany with every consignment of supply to ensure that the materials supplied are in with conformity with relevant IS.

M/S SR BUILDERS

KAILSON

Shri Harendra Kumar Rai

Siddheswari Construction

Poonam Corporation