WBHD/EE/ED-1/eNIT-05/2022-23

Amount

Withdrawing & Installation of submersible pump motor set in tube well

Jointing the submersible cable with proper vulcanizing dressing testing.

S/F Motor body safty clamp

S/F Nylon safty rope (130 x 2 way) = 260 apx

S/F U clamp

S/F Gasket 50 mm

S/F Nut bolt & washer

Cutting out the damage pipe of the threaded protion and re-threading the same on the site with men power 3 inch dia pipe

Rewinding the 5.0 HP/7.5 HP motor stator coil with poly double coated copper winding wire with proper dressing insulation cable vulcanizing and testing. (5 HP 1 no. at N.N Road RHE, 7.5 HP 3 nos (1 No. spair at Cooch Behar Rajbari RHE store, 2 nos at Old Rice Mill RHE.)

S/F upper and lower bush and grinding the journal bush

Repairing the thrust bearing with S/F carbon block and grinding and machining the thrust plate and matching each other complete unit.

S/F Water seal.

S/F Sand Guard complete Unit.

Opening out pump part by part overhauling cleaning by chemical solution for iron segment.

S/F pump bush

S/F Impeller

S/F sleeve with key slot

Painting the pump motor set.

S/F Neck Ring fixing on the cover and machining and matchining with impller.

Polishing the pump shaft with S/F key

Checking and testing the insullation of the pump motor set and the stator with 1000v. Meggar and use of clamp metter for measuring the load current and also measuring the voltage at on load and off load

Supply and Fixing 50 mm dia G.I. Pipe (ISI - M) complete with all accessories in U.G. trence as per G.S -i) 50 mm dia

S/F G.I. Fittings incl. Cost of all jointing materials (Zoloto ISI)- a) G.I. Nipple (Zoloto ISI)- i. 50 mm dia

b) G.I. Union (Zoloto ISI)- i. 32 mm dia

c) G.I. Elbow (Zoloto ISI)- i. 50 mm dia

d) G.I. Socket (Zoloto ISI)- i. 50 mm dia

S&F of 50 mm dia Gate Valve including jointing materials. (Zoloto ISI / Leeder) (For Kaljani R.H.E)

S & F 500 Volt 63 A Porcelain Cut out (Havells) in place of damage at N.N. Road RHE

S & F 2.5 sq. mm. 3 core flat PVC coated copper submersible Motor cable (Make - Finolex/ Glostar)

Transport charges from Section Store to site and back to workshop after completion of work with tools, withdrawl and installation materials etc and its necessary accessories & cable by matadoor motor vehicles.

Add. G.S.T.@ 12% (on Total from item no 1 to 30) to be calculated by bidder

Add. LWC.@ 1% to be calculated (on total from item no 1 to 30 + GST@12%) by bidder

SUBRATA DEB ROY

M/S RAJESH AUTOMOBILES

DIAMOND ELECTRICAL WORKS