WBIW/EE/MDMD/e-NIT- 19/2025-26/01

Maintenance and overhauling of V.T. / inclined pumps as per manufacturers instruction manual with all tools, tackles etc. This job includes labour charges, consumables like O - ring, sundry cleaning material etc. This job includes dismantling of all sub assemblies such as gear box, cooling pipes, bearing housing, stuffing box, discharge tee, muff couplings, shafts, column pipes, bowl assembly, bell mouth, strainer, line shaft enclosing tube etc. Reconditioning of all parts, inspection of all parts & replace these parts as per instructions (spares cost excluded) straighthening of shafts & refitting of all parts & sub assemblies with proper alignment including motor removing & refixing, test & trial for 24 hrs etc complete. For 50 cusec pump

Cost of replacement of damaged line shaft / cleaning of jammed impeller of V.T./inclined pumps as per manufacturers instruction manual with all tools, tackles, consumables such as gland packing etc. This job includes dismatling of pump assembly parts by parts and replacement of damaged parts, refitting of all parts & sub assemblies with proper alignment including motor removing & refixing, test & trial for 24 hrs etc complete as per direction (spare cost excluded). Capacity above 25 cusec and upto 50 cusec pump

Repairing of damaged flange,hub and guide vane of CI Discharge bowl.

Repairing of damagedflange,hub and guide vane of CI Bell mouth

Surface cleaning of metal surfaces by chemical cleaners and then by hand with emary paper, wire brush and power tool cleaners and removing dust and preparation of surface including cost of all materials, labour, machinery, scaffolding, etc., complete with initial lead for sand upto 1 km and all lifts.

Painting of Gates of Distributory/Branch/Minor canal/ Pump Coloum pipe/Pump Discharge Pipe & other similar components prepared surfaces with one coats of zinc phosphate primer (airless spray preferred) 50microns/coat and one coat coaltar epoxy, 150 microns/coat including cost of all materials, labour, scaffolding etc., complete with all leads and all lifts.

Transmission shaft/head shaft/impeller shaft/valve shaft (Material: Forged steel C40, IS-1570)

Threaded shaft coupling (Material: C45, IS-1570)

Supplying, fitting, fixing of ss(AISI304) bolts with nuts, washer: Dia 10mm to 20mm (b) Length above 75 mm and upto 150 mm.

Supplying, fitting, fixing of ss(AISI304) bolts with nuts, washer: Dia above 20mm (b) Length above 150 mm.

cotton( hydraulic) gland packing

gasket

Transmission Bearing (Material: GM Grade LTB 2&5 IS-318)

Maintenance and overhauling of over head travelling crane as per manufacturers instruction manual with all tools, tackles, cleaning materials etc. This job includes checking of all parts such as long travel & cross travel gear box, main hoist gear box, auxiliary hoist gear box, LT & CT travelling roller wheels, rope drum assembly, shank hook and block sheave/pulley assembly etc. by replacing /reconditioning defective parts (spares cost excluded) such as shaft, gears, pinions, reducing gears, bearings, plummer blocks, couplings and proper alignment with motor and changing of damaged oilseals and filling of gear oil, applying grease at all moving point for smooth and trouble free operation as per direction 10 Tonne single girder manually operated cran

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