Lifting, lowering and Repairing of different H.P. Submersible pump motor sets including allied works at different sites in VYBK, Salt Lake, Kolkata - 98. During the year of 2022 - 23.

Amount

Part A: Near car parking

Charges for withdrawing of 5 H.P. (K.S.B.) make Submersible pump motor set with column pipes from the existing tubewell after dis-conneccting the plumbing line and electrical connection with the help of spl. type tools & tackles & Chainpully block on tripoid stand.

Supply and installation of 440 Volts 2900 R.P.M. 5 H.P. submersible pump motor set (Make - K.S.B.) Model No.- BPD 262/5A + UMAI 150 - 3/22 into the tubewell incl. errection of tripoid stand by co's own tools & tackles with Supplying , fitting and fixing 50mm dia. G.I. pipe medium Quality ( Make - TATA ) - 30 Mtrs., with all necessary 50 mm dia. G.I. accessories Socket - 4 Nos , Nipple - 2 Nos, Rubber insertion cloth - 2 Nos, Nut & bolts - 12 Nos.etc. including cutting pipes , making threads , fitting , fixing etc. complete in all respect including cost of all necessary fittings as required , jointing materials and two coats of approved paint .

Charges for opening out the 5 H.P. (K.S.B.) make submersible motor part by part and all its components and refixing the same after changing the necy. spares & parts.

Charges for complete dismentling the winding of 5 H.P. submersible motor inclu. S & F new-winding with P.V.C. coated copper wire inclu. internal connection and cable complete as per G.S.

Supply & changing Roter sleeve bush.

– do – the top and bottom bush.

Charges for turning and polishing of the motor roter shaft.

Complete repairing thrust bearing assembly incl. supplying & fixing of clatch liner and clatch plate with bolts (V-6).

Charges for opening out the pump part by part and all its components and refitting the same after changing the necy. spares & parts.

Supply & changing the discharges head bush.

– do – the shaft protection sleev bush.

– do – the runing casing bush.

– do – the neck ring.

– do – the key for pump.

– do – the Bowl (C.I) for pump.

Charges for turning and polishing the casing for pump.

Charges for turning and polishing the pump shaft.

Matalizing the worn out portion of the impeller and machining the same.

Charges for jointing 3 core, 2.5 sq.mm. flat P.V.C. submersible cable with S/F necy. Water insulating tape.

S&F the 2.5 sq.mm. 3 core flat copper P.V.C. coated submersible motor cable (Make-Finolex).

Through checking & cleaning the pannel board including starter and main switch including S/changing nut & bolts etc. as direction of E.I.C.

Painting the pump motor set with 2 (two) coats of approved paints over one coat of R.O. primer.

Carrying charges for pump motor set from work site to Co.'s workshop and Co.'s workshop to back after repairing including loading & unloading (Up & down).

Part B: Near Fire Reservior

Charges for withdrawing of 25 H.P. (K.S.B.) make Submersible pump motor set with column pipes from the existing tubewell after dis-conneccting the plumbing line and electrical connection with the help of spl. type tools & tackles & Chainpully block on tripoid stand.

Supply and installation of 440 Volts 2900 R.P.M. 10 H.P. submersible pump motor set (Make - K.S.B.) Model No.- BPD 273/6 + UMAI 150 - 8/22 (SD) into the tubewell incl. errection of tripoid stand by co's own tools & tackles with Supplying , fitting and fixing 80mm dia. G.I. pipe medium Quality ( Make - TATA ) - 30 Mtrs, 80 mm dia G.I. column pipe Socket - 6 Nos, with all necessary 100 mm dia. G.I. accessories Flange - 2 Nos , Nipple - 2 Nos, Elbow - 2 Nos, Reducing Tee - 1 No, Plug - 1 No, Rubber insertion cloth - 4 Nos, Nut & bolts - 24 Nos.etc. including cutting pipes , making threads , fitting , fixing etc. complete in all respect including cost of all necessary fittings as required , jointing materials and two coats of approved paint .

Charges for opening out the 25 H.P.(K.S.B.) make submersible motor part by part and all its components and refixing the same after changing the necy. spares & parts.

Charges for complete dismentling the winding of 25 H.P. (K.S.B.) make submersible motor inclu. S & F new-winding with P.V.C. coated copper wire inclu. internal connection and cable complete as per G.S.

Supply & changing Roter sleeve bush.

– do – the top and bottom bush.

Charges for turning and polishing of the motor roter shaft.

Complete repairing thrust bearing assembly incl. supplying & fixing of clatch liner and clatch plate with bolts (V-6).

Charges for opening out the pump part by part and all its components and refitting the same after changing the necy. spares & parts.

Supply & changing the discharges head bush.

– do – the shaft protection sleev bush.

– do – the runing casing bush.

– do – the neck ring.

– do – the key for pump.

Charges for turning and polishing the casing for pump.

Charges for turning and polishing the pump shaft.

Matalizing the worn out portion of the impeller and machining the same.

S&F the 4 sq.mm. 3 core flat copper P.V.C. coated submersible motor cable (Make-Finolex).

Charges for jointing 3 core, 4 sq.mm. flat submersible cable with S/F necy. Water insulating tape.

Charges for cutting & threading the 80 mm dia. G.I. pipe.

S&F of 80 mm dia 600 mm long M.S. holding clamp for column pipe and pump including double nuts and bolts with washer also painting.

Through checking & cleaning the pannel board including starter and main switch including S/changing nut & bolts etc. as direction of E.I.C

Painting the Header and column pipes with 2 (two) coats of approved paints over one coat of R.O. primer.

Painting the pump motor set with 2 (two) coats of approved paints over one coat of R.O. primer.

Carrying charges for pump motor set from work site to Co.'s workshop and Co.'s workshop to back after repairing including loading & unloading (Up & down).

Part B: Near Fire Reservior

Supply & installation of 1 H.P. (220V) 2900 R.P.M. Self Priming Dewatering pump motor set (Make -Kirloskar.) by tools & tackles & manual labour with 25 mm dia. G.I. pipe, 25 mm short pice - 8 Nos., 25 mm Elbow - 4 Nos., 25 mm Union - 2 Nos. etc. including all necessary fittings complete.

Charges for opening & reinstallion of the 1 H.P. (220V) 2900 R.P.M. Monoblock pump motor part by part testing, re-winding the starter coil by super enameled copper wire of appropriate guage, with minalex paper, micasheet, Glass tape, tube, overhauling, backing varnishing changing the loops, ball bearing finishing and testing.

Transportation charges for carrying the pump motor sets, pipes, fitting and other accessories incl.tools & tackles from co's work shop to work site and back to co's work shop only tools & tackles.

TARAK ROY

NITESH MANAGEMENT

CHATTERJEE ELECTRICALS