Repairing and rewinding of 02 nos. 18.5 KW compressor motor, 02 nos. 11.2 KW Hoist/Drag Blower Motor, 02 nos. 5.5KW swing blower motor, 02 Nos. 5.5KW swing oil pump motor and 02 nos. AC motor of 24/96 Dragline working at Nigahi Project.

Amount

Scope of Work: 1) Dismantling of motor. 2) Removing of burnt coil from slot portion. 3) Cleaning of slot portion of stator and varnishing . 4) Rewinding of coils with H Class super enameld copper wire. 5) Fitting of coil in proper slots portion with nomex paper. 6) Fixing of coil with the help of cotton tape, glass tape, soldering materials, wedge, lead, sleeve. 7) Repairing of bearing seats of housing and rotor shaft. 8) Assembling and final testing. Maximum likely manpower to be deployed per shift: 06 Nos. ( 04 Nos. Skilled and 02nos semi-skilled).

Repairing/ rewinding of 02 No. Compressore Motor 18.5 KW/25HP , 440V 3Phase:

Cost of Super Enameled copper wire SWG 21 for rewinding ( 18.5 Kg each Motor ) Total 02 Nos. Motor

Cost of Nomex paper 3mill ( 1.8 Kg each Motor ) Total 02 Nos. Motor

Cost of Soldering material, glass tape, cotton sleeve, cotton tape etc.for repairing / rewinding work (02 nos. Motor repair)

Cost of Insulating varnish ( 3Ltr each Motor ) Total 02 Nos. Motor

Cost/charges for repairing of bearing housing DE & NDE of each motor (labour consisting of Skilled Fitter , Skilled Welder and semi skilled manpower) including labour charges , contractor profit , etc. Total 02 Nos. Motor

Cost/charges for removal of burnt coil, cleaning of slot and rewinding of each motor (labour consisting of Skilled winder and semi skilled manpower) including labour charges , contractor profit , etc.. Total 02 Nos. Motor

Charges of Heating ( 20 Hr each Motor ) Total 02 Nos. Motor

Charges for Machining of rotor shaft ( 8 Hr each Motor ) Total 02 Nos. Motor

less of scrap copper wire cost ( 18.5 kg each Motor ) Total 02 Nos. Motor

Repairing/ rewinding of 02 No. Hoist / Drag Blower Motor 11.2KW/15HP , 440V 3Phase:

Cost of Super Enameled copper wire SWG 21 for rewinding ( 11 Kg each Motor ) Total 02 Nos. Motor

Cost of Nomex paper 3mill (1.1 Kg each Motor ) Total 02 Nos. Motor

Cost of Soldering material, glass tape, cotton sleeve, cotton tape etc.for repairing / rewinding work (02 nos. Motor repair)

Cost of Insulating varnish ( 2Ltr each Motor ) Total 02 Nos. Motor

Cost/charges for repairing of bearing housing DE & NDE of each motor (labour consisting of Skilled Fitter , Skilled Welder and semi skilled manpower) including labour charges , contractor profit , etc. Total 02 Nos. Motor

Cost/ charges for removal of burnt coil, cleaning of slot and rewinding (labour consisting of Skilled winder and semi skilled manpower) including labour charges , contractor profit , etc.. Total 02 Nos. Motor

Charges of Heating ( 20 Hr each Motor ) Total 02 Nos. Motor

less of scrap copper wire cost ( 11 kg each Motor ) Total 02 Nos. Motor

Repairing/ rewinding of 02 No. Swing Blower Motor 5.5KW/7.5HP , 440V 3Phase:

Cost of Super Enameled copper wire SWG 21, for 5.5 Kg. each Motor (02 nos. Motor repair)

Cost of Nomex paper 3mill for 0.50 Ltr. each Motor (02 nos. Motor repair)

Cost of Soldering material, glass tape, cotton sleeve, cotton tape etc.for repairing / rewinding work (02 nos. Motor repair)

Cost of insulating varnish for 1 Ltr. each Motor (02 nos. Motor repair)

Cost/ charges for removal of burnt coil, cleaning of slot and rewinding (labour consisting of Skilled winder and semi skilled manpower) including labour charges , contractor profit , etc.. Total 02 Nos. Motor

Charges of Heating ( 20 Hr each Motor ) Total 02 Nos. Motor

less of scrap copper wire cost for 5.5Kg. each Motor (02 nos. Motor repair)

Repairing/ rewinding of 02 No. Swing Oil Pump Motor 5.5KW/7.5HP , 440V 3Phase:

Cost of Super Enameled copper wire SWG 21, for 5.5 Kg. each Motor (02 nos. Motor repair)

Cost of Nomex paper 3mill for 0.50 Ltr. each Motor (02 nos. Motor repair)

Cost of Soldering material, glass tape, cotton sleeve, cotton tape etc.for repairing / rewinding work (02 nos. Motor repair)

Cost of insulating varnish for 1 Ltr. each Motor (02 nos. Motor repair)

Cost/ charges for removal of burnt coil, cleaning of slot and rewinding (labour consisting of Skilled winder and semi skilled manpower) including labour charges , contractor profit , etc.. Total 02 Nos. Motor

Charges of Heating ( 20 Hr each Motor ) Total 02 Nos. Motor

less of scrap copper wire cost for 5.5Kg. each Motor (02 nos. Motor repair)

Repairing/ rewinding of 02 No. 2.2KW, 440V 3Phase AC Motor ( Auxiliary Transformer Cooling):

Cost of Super Enameled copper wire SWG 21, for 2.2 Kg. each Motor (02 nos. AC Motor repair)

Cost of Nomex paper 3mill for 0.25 Ltr. each AC Motor (02 nos. Motor repair)

Cost of Soldering material, glass tape, cotton sleeve, cotton tape etc.for repairing / rewinding work (02 nos. AC Motor repair)

Cost of insulating varnish for 1 Ltr. each AC Motor (02 nos. Motor repair)

Cost/ charges for removal of burnt coil, cleaning of slot and rewinding (labour consisting of Skilled winder and semi skilled manpower) including labour charges , contractor profit , etc.. Total 02 Nos. AC Motor

Charges of Heating ( 20 Hr each Motor ) Total 02 Nos. AC Motor

less of scrap copper wire cost for 2.2Kg. each AC Motor (02 nos. Motor repair)

Total impact of GST for the purpose of CTC