CLEANING OF UG SUMPS OHT TANKS AND SERVICE TANKS OF BILDS REPLACE OF UNSV FLOAT VALVES PVC SERVICE TANK GATE VALVE OF VARIOUS SIZES GI PIPE LINE ETC INCL CONNECTED CERTAIN MISC ITEMS AT MD AND OTM ACCN OF AUNDH MIL STN UNDER GE MH AND RH KHADKI

Amount

Disconnecting existing tanks of capacity 500/1000 Ltr setting aside (or lowering if required) water tank, dewatering, cleaning and removeing all dirt, scale and algae formation from inside the tank by using cleaning chemicals including paste stickers mentioning "TANK CLEANED ON " with date, month, & year. The stages of cleaning prosess of tanks are as follows :- (a) To drain out the water by using exist valve or high capacity dewatering system. (b) Cleaning all the algae formation inside the tank by using high-strength calcium hypochlorite (HSCH) chemicals and scrubbing the walls & base of the tank by scrubber. (c) Fresh water cleaning with high speed jet pump. (d) Drying the tank then first stage of bacteria screening and sterlization of the tank by using high-strength calcium hypochlorite (HSCH) chemical. (e) Cleaning the floor of the water tank by heavy duty industrial vaccum clearner. (f) Second stage of bacteria screening and starilization of the tank by using ultra violet ray ejector covering 360 degree within the tank and killing all suspended bactaria (g) Third stage of bacteria screening and sterilization of the tank floor by usinghigh-strength calcium hypochlorite (HSCH) chemical. Note - (i) The quoted rate shall include for removal of mud, grits and deposits etc properly from site of work and on completion of work sterlisation certificate to submitted to the Engineer-in-charge. (ii) Cleaning needs to be done mechanically by authorised dealer/agent as approved by Engr-in-charge. (iii) Cleaning chemical shall also be approved by Engineer-in-charge.

All as per item No.1 but for RCC tank up to G+3 storeyed and capacity up to 1000 Ltrs all as specified and as directed.

All as per item No.1 but for RCC Over head tank of height 20m from GL of the following capacity all as specified and as directed.

100000 Gallon RCC OHT

150000 Gallon RCC OHT

50000 Gallon RCC OHT

All as per item No.1 but for RCC Under ground sump of the following capacity all as specified and as directed.

5 Lakh Gallons capactiy.

0.5 Lakh Gallons capactiy.

Note for item No 1 to 4: (i) The contactor shall not hamper the water supply to the resident/ user. (ii) The contractor shall also confirm the restoration of water supply from service tank after cleaning from the resident / user. (iii) Any damage during cleaning of Service tanks the same will be replaced by the contractor without any cost to the department.

S&F in repair Ball brass valve, high pressure with polythene float and fly nut complete ISI marked of following size, complete all as specified and dircted by Engineer-in-Charge.

50 mm bore

40 mm bore

25 mm bore

20 mm bore

Note for item No 5 : The contactor shall depute a person during the time of water supply distribution to check overflow once in a month. A record of the same shall be maintained by the contractor.

Supply and fix in repair PVC tank cover suitable for 500 ltrs/1000 ltrs capacity as per existing size complete with fixing accessories

S&F in repairs galvanized iron water tubing medium grade conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 at Incoming of the service tanks / Fresh water line of kitchen complete all as required at site for branch connection including cutting threading complete all as specified & directed by Engineer-in-charge.

15 mm dia bore

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

S&F in repairs following capacity triple layer, rotational moulded, polythene water storage tank (Cylindrical vertical with closed top) hoisted and fixed on roof in position, including all fitting such as connection pieces with GI tank nipple for inlet, outlet, washout and overflow etc complete.

M&Lfor preparing old painted steel and iron surfaces of any description over 10 cm width or girth not otherwise described and applying one coat of synthetic enamel paint all as specified & directed by the Engr-in-Charge.

M&L for complete removal of existing treatment old surfaces of walls including brooming down or scraping down with steel wire brushes & preparing the surfaces and applying two coats of finishing walls with Premium Acrylic Smooth exterior emulsion paint with Silicone additives of required shade: New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)® upto OHT 24 METER complete all as specified and directed. Make: Asian/Berger Nerolac or equivalent Note : Rate quoted by the contractor deemed to be include. Safety precautions like rope, safety belts, scaffolding helmets , ladder etc & shall be responsibility of contractor.

Supply only Stequa 411AE, Refill. Declibac Specification:-Chlorine tablets contained in plastic cylindrical sealed disposable sanitiser refill for disinfiction of drinking waterwith arrangements of controlled release of disinfectant in water, suitable for operation through recommended dosing system replacement indication, visual and weight variation operation type non contact, non inhalatory, heavymetal contaminants (like Hg and Pb) in product media must be belowdetection limit (BDL) and product must pass through acute toxicity test, based on which the product must be considerd safe to use from human health safety point of view when use in recommended dosage all as specified and as directed by Engr-in-charge.

Supply & installation Stequa Dosing System Model ADS - PRO, for open discharge / sump dosing / above ground centrifugal water pump installation:- (a) Receptacle for power-free automatic water sanitizer / conditioning treatment station with proportional dosing arrangement with following attachments:- (i) Water inlet regulator. (ii) Overflow vent. (iii) Water outlet regulator with non-return valve (for standalone gravity flow). (iv) Water outlet regulator (for offline automated gravity flow).(v) Drain valve. (vi) Fluid level controller. (vii) Sludge level guage. (viii) Station base assembly with station base buffer.(ix) Station hood assembly with multi-cavity arrangement (13).(x) Station holding assembly. (xi) Material of construction: Non-metallic thermoplastic. (xii) Maximum Temperature: 45°C. (xiii) Capacity: 100 litres. (xiv). Shape: Cylindrical. (b) Custom cover for power-free automatic water sanitiser / conditioning treatment station with proportional dosing arrangement with following attachments: (i) Refill cavity lids (13), (ii) In-built level switch & processor. (iii) ½ inch Processor outlet & processor inlet connections. (iv) Flexible connecting duct. (v) Material of construction: Non-metallic. (vi) Maximum Temperature: 45°C. (vii) Shape: Circular. (c) Additional Fittings: (i) 6 Meter suction tubing. (ii) PVC ball valve. (iii) Plastic check valve. (iv) Hose nipple, Compatibility: Stequa 411 AE Refill for submersible water pump installation or universal application, additionally following item is required: Centrifugal pump with following specifications: (i) Power: 1 HP; 0.75 kW. (ii) Pipe size (Suction): 1". (iii) Pipe size (Delivery): 1". (iv) Total Head: up to 6 Bars. (v) Discharge: up to 3700 LPH. all as specified and as directed by Engr-in-charge.

Supply and fittings in replacement of gun metal gate / globe valve with iron wheel head screwed both ends for iron pipe fixed in the inlet / outlet of the service tanks complete all as specified and as directed by Engineer-in-Charge.

15 mm dia bore

20 mm dia bore

25 mm dia bore

40 mm dia bore

50 mm dia bore

Suchit constructions

ONKAR ELECTRIC AND GENERAL STORE

shree ram enterprises

SKS Electricals

visionenterprises