WBPHED/EE/AMD/ NIeT-10of 2025-2026/2

Amount

Pump Repairing Portion:-

Withdrawing of 20 H.P. Vertical Turbine pumping machinery from CWR/GLR after disconnection of electrical connections from motor terminal box along with bowl assembly after taking out pump top shaft, surface discharge head, column pipes alongwith their bearing retainers part by part with help of crane and skilled & unskilled personnels as per direction.

Carrying the pump-motor set from Roshna Head Works site to workshop(Asansol) for necessary reparing this cost included with Hired vehicle ,loading & unloading labour charges as per direction of EIC.(Above 20 KM upto 30 KM)

Dismantling the bowl assembly and taking out the bowl bush & discharge case bush by turning the same by using necessary tool & tackels as per direction.

Supply of spares and machining operation for Pump Rotating Assembly as follows:-

Pump Shaft Re-metalizing, turning & polishing as per Bush ID.

Internal Dia rubberized Bowl Bush.(MOC:-PB)

Impeller Shaft circlip to hold impeller.

Pump retainer nylon Rubber Bush.

Pump line shaft 25 mm dia, 8 Feet long.(MOC:-SS304)

Pump line shaft 35 mm dia, 3 Feet long.(MOC:-SS304)

Pump Line shaft Sleeve Bush.(MOC:-SS)

Pump Discharge Head Bush.(MOC:-G.M.)

Packing Kit contain Gland packing, steam joint etc.

Re-assembling the new bushed in discharge case and bowl and 1 No retainers, 14 Nos bowl bush by hydraulic press and re-assemble the bowl assembly with new nuts and bolts.

Pump Body Scrapping, Cleaning & painting.

Motor Overhauling Portion:-

Dismantling the V1 mounted motor, Rotor thread out from stator body, both side bearing remove from bearing journal, thorough checking and cleaning all the dimensions and also checking the tightness of slot wedge, testing of RTD, BTD and space heater as per direction of EIC.

Rotor shaft re-metalizing, turning and polishing.(DE)

Rotor ratchet lock groove making as per sample.

Motor Cover broken area brazing & polishing.

Motor Cover Bore Sleeve making.(DE & NDE)

Supply of PVC TEFC system Fan.

Placing the Rotor & stator into Heat chamber for remove moisture and improve IR value after improve IR value using Surface cooling varnish and drying in all dimentions.

Ball Bearing for DE.(Make:-SKF, Model No-7312 BEP)

Ball Bearing for NDE.(Make:-SKF, Model No-6309)

After replacing of both side(DE+NDE) bearings, fitting of cooling unit (TEFC), coupling Hub, Rotor thread in with proper care, checking gap between stator and rotor, complete assembling with all spares parts all work should be done as per direction of EIC.

Motor cleaning & painting by maintaining IS Specification.

Carrying the pump-motor set from Asansol workshop to Roshna Head Works for necessary reparing this cost included with Hired vehicle ,loading & unloading labour charges as per direction of EIC.(Above 20 KM upto 30 KM)

Lowering the bowl assembly along with column pipe, line shaft (2 No New) and re-fitting discahrge head, adjustment of bowl hanging with the help of crane including installation of V1 mounting motor on flange, proper coupling with motor and making connection of motor terminal with cable leads duly tapped by new adhesive tape by engaging skilled and unskilled personnels as per direction of E.I.C.

Add GST @ 18%

Add CESS @ 1%

M/S S.S. ENTERPRISE (BID ID -6598950)

QUAZI NOZRUL ISLAM (BID ID -6609388)