KMDA/EM/EE/MD-III/ NIT-26 of 2025-26

Amount

Taking out the L.T. sq. cage Induction Motor after disconnections of supply terminal connections including earthing terminal connection from coupling end of 25/50 cusec vertical axial flow propeller pump after dismantling the same from the motor stool. The motor is to be kept on wooden sleeper at a suitable distance from the floor without damaging the earthing strips and cables etc. as per direction of E.I.C.

Preliminary checking of the whole motor (L.T. sq. cage IM) and testing of I.R. value, load currents, leakage factor of stator & rotor, terminal lead joints of stator connection ends, insulation pf glass fibre terminal bar, double cage rotor end rings and all of motor bars and bar joints, housing of D.E & NDE shield bearing housing etc. before work to detect fault.

Transportation of Diesel Engine pumping set / Electro-Motor pumping set for Major R.L.I of any make/brand with necessary fixtures viz. M.S. bend, M.S. pipes, Rubber Hose Pipe, Manifold, Surge tank, foot valve, non-return valve, tail piece, hose clamp, sluice valve, priming chamber etc. over Pucca/kancha road from Sub-Divisional store to worksite excluding loading at the lifting point and unloading at the delivery point. B. For Electro Motor (a) Carriage by road (i) Distance upto 50 km.

Dismantling of motor coupling, removing of rotor and shaft from motor in workshop part by part . as required as per direction of the EIC.

Dismantling of motor burn coil part by part including the extraction of burnt coil, removal of burnt insulation and cleaning of core as per direction of the EIC..

Supply & delivery of super enamelled Copper wire (3.2 kg X 18 nos. batch) as required as per direction of the EIC.

Insulation of 1.1 kV grade 72 slots of motor part by part properly insulating the core with Mica paper and Nomex paper for maintaining class F insulation as required as per direction of the EIC.

Fitting & fixing of new insulated motor batch coil in proper position applying insulation of individual coil and separate circuit as required as per direction of the EIC.

Replacing and jointing of new 1.1 KV grade 70 sq. mm. fibre glass copper wire terminals leads by 100% solder (Eyre) compounded with Eyre-7 paste, (6 leads). 5.3 J.4.1 Upto 75 KW L.T sq. cage IM

Complete servicing and heat varnishingof 415 Volt, 3 Phase L.T. sq. cage induction motor after cxleaning the stator and heating it up periodically and varnishing by Dr. Beck's graded insulating varnish to obtain stable IR value, cleaning up the rotor, including heating for demoisturisation, lacker coating on the surface of rotor stampings, cleaning and RO priming on the end shield covers, bearing housing and complete the necessary repairing works as per direction of E.I.C. 5.3 J.3.1 Upto 75 KW L.T sq. cage IM

Motor Loop Brazing

Welding & Machining of motor coupling bore, grinding with supply of coupling key and fitting, fixing as direction of the EIC.

Dismantling of old bearing from motor rotor unit (drive end and non drive end) and fitting fixing of new bearing as per direction of the EIC.

Supply & delivery of DE & NDE bearing 6314/C3 as per technical specification and direction of EIC. (Make: SKF/ FAG or equivalent)

Supply of litium greass grade-II

Supply, delivery & installation of end terminal loop for cable end termination from motor on site.as per direction of EIC.

Finishing the end of terminal leads by S & F dowells copper sockets properly suppying tapes, petrollium jelly etc. 6 nos. 5.3 J.5.1 Upto 75 KW L.T sq. cage IM

Properly checking of the motor, testing of developed IR value, load current factor, terminal lead joints, terminal bar etc. necessary repairing works.

Re-installation of the motor stool and motor by making proper allignment with the line shaft of pump and motor coupling within permissible limit, fixing coupling bolts and nuts, worn out rubber pads of the coupling bolts are to be replaced by supplying new rubber pads by the contractor at his own cost. Making re-connection of the cooling water line, refixing and re-arrangement of the L.T cable and connection of the same to the motor terminals and commissioning of the pump-motor set is to be carried out under the supervision of an expert of the said job in order to get better performance.

Painting of motor as required as per direction of the EIC.

Less: Salvage Value @ 10% for sl. no. 6

POWER INDIA (BID ID -7555900)

MIK ENTERPRISES (BID ID -7548080)