NIQ No- 115/PHE(C)/BMC, Date- 12/05/2023

Withdrawl of 20 HP Submersible pump motor set along with column pipes and other accessories then testing & checking by high leans under water camera for draw out of water level and detection of sand filling area with the help of expert mechanic, then supply of gravels for fill up the bore well blank pipe due to leakage of sand washing for developing tubewell with air compressor machine, Geophysical investigation of the aquifer by electro logging system, collecting sample of water for bacterological and chemical test from any depth at any time during execution of work including hire & labour charges for all tools and plants. After completion of work as per smooth running condition then lowering the new submersible pump motor set complete unit including interconnection.

Supply of Borewell submersible pump, borewell size- 300 X 200 mm, Pump Type : BPHA384.02G, Motor Type: HBC-153, Discharge: 50-110 M3/HR, Total Head: 48-35 mtr. , outer dia of pump NRV: 125, Motor Rating: 15 HP, Make: KSB.

Supplying and connection of 6 sq.mm. flat 4 core copper conductor PVC submersible cable of Finolex make with water seal compound joint including less for unserviceable cable.

Cast iron double flanged single door swing Non-Return Valve generally conforming to IS 14846 having body, door cover in graded cast iron to IS 210 Gr. FG 200, body and door rings and bearing block of leaded tin bronze to I.S 318 Gr. LTB 2, hinge pin of ST AISI410 valves suitable for maximum working pressure of 10/16 kg/cm² and body tested 15/24 kg/cm².150 mm.

Sluice valve chamber with C.I. heavy cover with locking arrangement, (weight not less than 25 kg) (size of chamber 450 mm X 600 mm inside upto 900 mm depth) 250 mm thick cement brick walls (6:1), 150 mm thick cement concrete (6:3:1) bed with stone chips, 20 mm thick cement plaster (6:1) for inside wall and 15 mm thick cement plaster (4:1) for outer walls including rounding corners.

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