EE(E/M)/KMDA/GAP-I/T- 16(E)/2025-26

Cost of removing & refitting of motor of V.T. pump as per manufacturers manual & refitting it on pump with alignment with all tools, tackles & sundry material as per direction. Up to 250 kw motor

Preliminary checking of the whole motor (LT sq. cage IM) and testing of I.R. value, load currents, leakage factor of stator & rotor, terminal lead joints of stator connection ends, insulation of 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.

Complete rewinding of 415 volts grade ,3 ph,50 Hz, induction motor for VNC pump set with copper winding wires of suitable size(KSB make) and strips including varnish treat and cure winding and testing ,trial run,installation and commissioning as per direction of EIC. The motor rating 37 KW(50 HP) ,synchronous speed -1000 RPM

Refitting the pump motor (LT sq. cage IM) set with all its necessary coupling and accessories to its original position including fitting fixing with bearing housing non-reversable rachet unit and pump shaft with proper tolerance and clearance and reconnection of terminal points the overhauling work i.e. cleaning of contracts sliping etc. (all connection strips, cable end are to be refitted in proper way including good damages of strip terminals) and satisfactory 2 hours trial run of the pump as per direction of E.I.C. for all pumping stations.

Positioning the motor from vertical to horizontal state by OH crane and manual labourer. Dismantling the motor by opening DE NDE shield covers, coil guard and taking out rotor from stator. Properly cleaning of the rotor including withdrawals of deposited sulpher sludge moistures from all the end ring bar joints neatly. Brazing of the double cage rotor bars with end rings by high skilled mechanics with silver brazing artical using silver brazing flux. Neatly surfacing of the newly brazed laminated rotor surface and installing the bar joints with Dr. Beak’s graded insulations. Upto 75KW LT 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

Supplying of following XLPE insulated Aluminium conductor armoured cables of 1.1 KV grade as per IS 7098. 3 core x 50 Sq mm

Laying of cable from 3/3½ core 35 sqmm to 50 sqmm on wall/surface incl. S & F MS saddles with earthing attachment in 2 x 10 SWG GI (Hot Dip) Wire, making holes etc. as necy., mending good damages and painting

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below: 3.5 core x 50 Sq mm

Finishing the end of following XLPE/PVCa rmoured cables by crimping method incd. supplying and fixing soiderless socket (Dowels make), tapes, anticorrosive paste & jointing materials : 3.5 core x 50 Sq mm