REPAIR / REPLACEMENT / MAINT OF PACKAGE TYPE FILTERATION PLANT AND CONNECTED ASSETS AT HQ AREA AND SUPPLY OF DISINFECTANT CHEMICALS AT AF STN DIGARU.

Amount

Supply of Calcium hypochlorite calcium based ,high strength granular chlorine chemical for water disinfectant in factory sealed HDPE Container Sealed 45 kg each chlorine concentration level 65% to70% Make Declibac / Puri-chlor(M/s shreeRayalaseema Hi strength Hypo ltd)/Potter and watts Note (i) Approval of chemical (Calcium hypochlorite) shall be given after verification of test certificate of chemical of various manufacture and other factor like chemical and safety and health hazard aspect of usage of chloronation (ii) the branch/make of the chlorination of chemical must be sealed in production and certified by Govt laboratory confirming compliance of specification suitable for drinking water with a declaration from the laboratory that from the technical strength ,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 hypochorite is suitable for drinking water chlorination and its sample has been tested by Govt Laboratory. (iii) The brand must contain corrosion inhibitor & Anti scaling agent to prevent damage of distribution pipelines & accessories. Note: (i) Original certificate of compliance and authorization from the manufacturers including contact No & Date, batch No/manufacturer date /SI No and specific contractors Name & Address. (ii) Chemical will be supplied on requirement basis only. (iii) Manufacturer test certificate to be produced along with purchase vouchers during prcessing of RAR/FB dully vetted by Engr-in-Charge.

Supply of alum coagulant crystal type grade-I quality in factory sealed packet. Make - Bharatiwater / Declibac or equivalent as approved by AGE (I).

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

Supply,install and commissioning 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 centigrade, 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, attachements. (1) overflow valve (ii) water inlet valve (iii) outlet valve (for offline automated gravity flow) (iv) Drain valve, Make :- Altoch Dosing models ADS -PRO compatibility : stequa 411 AE refill/Prefill total refill or as per approval of E-in-C's Br/HQ CE Eastern Command Kolkata.

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: Declibac Stequa 411 AE or as per approval of E-in-C's Br /HQ CE Eastern Command Kolkata.

Supply of Polymer liquid for raw water floculant, in factory sealed Container. Make: Barat Trading corporation/Ion Exchange/Depac (Declibac) or equivalent as approved by AGE (I).

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 AGE (I).

Supply of stable Bleaching Powder(Grade-I) confirms to IS-1065 Part-I 2019 in 25 Kg factory sealed container/drums. Make: Vikram/Bengal Chemicals/ DCM Shriram/Orient or quivalent as approved by AGE (I).

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

Removal of old gravel and sand from existing filter media of water treatment plant at New filtration plant (02 Nos) HQ area and depositing at a distance not exceeding 50 meter and cleaning filterchamber and wall surface throughly etc. complete all as specified and directed.

Supply and filling of filter media using different sizes of graded filter gravel same as existing size washed, dried and screened to meet product and particle size specifications and stringent requirement for the filtration of water complete all as specified and directed. Note: Sample of gravel to be approved by the Engr-in-Charge before incorporation in the work.

Supply and filling of filter media using quartz 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 directed. Note: Sample of quartz silica sand to be approved by the Engr-in-Charge before incorporation in the work.

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 all as specified and directed.

Removing of existing rubber gasket from filteration plant and supply and fixing new gasket of size 6 mm thick complete all as specified and directed.

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

Supply and fixing in repair CI non return/foot valve PN 1.6 with GM working parts 200 mm dia with nut,bolts,rubber gasket etc IS marked -5312/2004 complete all as specified and directed. Make - Zoloto/ Bir/ Kirloskar/ RMCO/ BIR.

M/s Capital Traders

Ms N D Enterpise

M/s Rawat Enterprises