Emergent repair of submersible pump, mono block pump and other allied work at Joint administrative building and Agricultural statistic office during the year 2024-25

Amount

Supply & fixing of 300 m m dia round type M.S well cover plate including cutting 80 m dia holes in middle for passing column pipe and 1 no 25 mm dia G.I socket welded in corner for entry of cable

Supply & fixing of 80 mm dia 600 mm long M.S holding clamp for Colum pipe and pump including double nuts and bolts with washer

S&F on PVC pipe (3/4) 2.5 sq mm 3 core flat copper submersible motor cable (make finolex)

S&F of 440V, 3 phase, MKI D.O.L starter relay range suitable size for 5 H.P submersible pump motor set (make L&T) on common angle iron frame on wall including S &F nut & boalt etc. (cat no- SG 96218)

Suppling fitting and fixing gunmetal wheel valve of approve brand and make tested to 21 KG per sq.cm (for water lines only) (ii) 80 mm dia

Charges for opening out the 5 HP (KSB) make submersible motor include S&F new winding with PVC coated copper wire include internal and cable complete as per G. S

Supply & changing rotter sleeve bush

-do- the top and bottom bush

S&F of nuts & bolts with washer

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

do- the shaft protection sleev bush

do- the running casing bush

do- 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 turing and polishing the pump shaft

Metalizing the worn-out portion of the ampler and machining the same

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

Painting the motor set with 2 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)

Supply & changing rotter sleeve bush

do- the top and bottom bush

Charges for Turing and polishing of the motor rotter shaft

Complete repairing thrust bearing assembly incl supplying & flexing 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

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

Charges for opening & rein stallion of the 1 HP (220V) 2900 RPM Monoblock pump motor part by part testing re winding the starter coil by super enamelled copper wire of appropriate gauge, with minalex paper, mica sheet 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.

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

S CHAKRABORTY AND COMPANY (BID ID -6150725)

R L COMPANY (BID ID -6151888)

HAZRA ENTERPRISE (BID ID -6150705)