SUPPLY AND TREATMENT OF DISINFECTION MATERIALS FOR WATER TREATMENT AT VARIOUS PUMP HOUSES OF 41 WEU AND 18 WING UNDER GE (AF) PATHANKOT

Supply and fixing automatic erosion feed enabled water sanitiser / conditioning treatment station with proportional dosing arrangement consisting of complete all as specified and directed.1) Receptacle with following attachments:- a) Station Holding Assembly b) Water Inlet Regulator c) Overflow Vent d) Drain valve e) Fluid Level controller with In-built Level Switch f) Sludge Level Gauge g) Station Base Assembly with Station Base Buffer h) Material of construction: Non-metallic thermoplastic i) Maximum Temperature: 45°C j) Capacity: 100 litres k) Shape: Cylindrical 2) Station Hood Assembly with multi-cavity arrangement as under:- a) Custom cover b) Refill Cavity Lids c) Electrically powered drive unit with pressure resistance up to 10 Bars d) Maximum Discharge: 100 LPH e) Material of construction: Non-metallic f) Maximum Temperature: 45°C g) Shape: Circular h) Cavity Lids storage bin3) Automation assembly with accessories

Supply only hermetically sealed, single-use polymeric sanitisation module, optimized for delivery in aqueous media via chlorine-based solid oxidizing matrix. Must be designed for seamless integration with both active and passive-flow dosing systems, ensuring precision-controlled disinfectant release into potable water. Additionally, an integrated suspension loop must enable direct stand-alone deployment without auxiliary apparatus. Key Attributes: Construction: Chemically inert thermoplastic, housing a stabilized chlorine medium for sustained disinfection. Dispersion: Hydro-actuated, hermetically sealed orifice that activates on immersion for contactless chlorine delivery. Safety: Non-contact, non-volatile design, compliant with closed-loop potable water protocols. Service Life: Dual-mode diagnostics via visual and gravimetric indicators for replacement. Dimensions: Diameter: 2.5″ ± 0.5″; Height: ≥10.0″ ± 0.5″

Supply of calcium based high strength garnular Calcium Hypochlorite with chlorine content of 65% to 70% in standard sealed pack of 45kg/ Drum suitable for disinfectant chlorination of drinking water as per the following generic specification, complete all as specified and as directed by Engineer-in-charge. (a) Chlorine content 65-70% by mass.(b) Particle size (Passing through 1.70mm IS Sieve)- 99% by mass (Minimum).(c) Water insoluble matter- 6% (Maximum).(d) Calcium Hydroxide- 4% (Maximum). (e) Sodium Chloride- 15% (Maximum).(f) Loss of chloride on basis of available chloride- 1/15 (Maximum).

Supply of Non-feric Alum Grade-I white in colour in standard sealed pack of 20-25kg/ Bag suitable for disinfectant of drinking water, complete all as specified and as directed by Engineer-in-charge.NOTE for Sl Item No 3,4 & 9(a) Contractor shall submit Purchase Voucher alongwith manufacturer and independent test certificates from Govt approved test lab for every batch of supply (Quoted rates are inclusive of testing charges) .(b) Each pack/ container/ bag of Chemical shall be duly embossed with make of manufacturer, batch no, date of manufacturing and date of expiry. (c) Supplied chemical must have self life not less than 04 (Four) months.(d) Total consignment shall be supplied in various installment as directed by Engineer-in-charge.

M&L for collecting water samples from pump houses of the station and carrying out testing through any goverement authorised laboratory / agency for chemical and bacteriological examination of potable water conforming to IS: 10500. Water samples shall be collected in properly sealed plastic containers of 02 Ltrs capacity and transported safely to the authorised testing laboratory and the cost of transportation , handling submission , collection of reports shall be deemed to be included in the quoted rate .The Item includes obtaining and submitting test reports for the following parameters for each pump houses:- (i) Ph Test(ii) Total Dissolved Solids (TDS ) Test (iii) Coliform test (Microbiological) Test(iv) Total Hardness Test(v) Calcium Hardness Test(vi) Fluoride Test(vii) Iron Test

Supply only orthotolidine solution in glass container suitable for testing of chlorine content in water all as specified and directed by Engineer-in-Charge

Supply of Chlorine testing reagent (DPD Tablets/regents) for measurement of residual chlorine complete all as specified and directed by Engineer-in-Charge.

Supply Only Digital PH Meter (table top), Display-3.5 Digit LED Range-0 to 14.0 PH, mv: 0 to +/-1999 Accuracy +/- 0.01 PH,mv +/-1mv, slope control- 80 to 120%,Power 220/230V AC, sensor- pH electrode complete all as specified and as directed.

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.

Cleaning of chlorine solutions prepration tanks, mixing drums and dosing tanks, servicing of chlorination equipment , injectors , dosing lines and valves including removal of sludge, washing , removal of deposit and making serviceable and calibration complete all as specified and directed by Engineer-in-Charge.