Tender For Maintenance Works Of Electrical Machines At Prpd, Kalpakkam For Year 2025-26.; 1 Servicing and testing of Motorsup to 1.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 2 Servicing and testing of Motorsabove 1.0 HP upto 5.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 3 Servicing and testing of Motors above 5.0 HP upto 10.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 4 Servicing and testing of Motorsabove 10.0 HP upto 20.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 5 Servicing and testing of Motors above 20.0 HP upto 40.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 6 Servicing and testing of Motors above 40.0 HP upto 75.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 7 Servicing and testing of Motorsabove 75.0 HP upto 150.0 HP (no painting) as detailed in scope of work complete with supply of lubricating grease and all other consumables necessary for completion of the work. 8 Supply of 6004-ZZ/C3 (or) 6204-ZZ (or) 6005-ZZ (or) 6200 (or) 6201 (or) 6202 (or) 6007 Bearing of SKF or equivalent reputed make 9 Supply of 6206 (or) 6306 (or) 6205-ZZ (or) 6205-ZZ/C3 (or) 6206Z (or) 6306-ZZ Bearing of SKF or equivalent reputed make 10 Supply of 6208-ZZ/C3 (or) 6308-ZZ (or) 6209-ZZ Bearing of SKF or equivalent reputed make 11 Supply of 6310 (or) 6310-C3 (or) 6309-2Z Bearing of SKF or equivalent reputed make 12 Supply of 6311-C3 (or) 6308-2RS (or) 6313 (or) 6313-C3 (or) 6314 Bearing of SKF or equivalent reputed make 13 Supply of 6315, 6316 - C3 Bearings 14 Supply of 6318, 6318 - C3 Bearings 15 Supply of 6314 Bearing 16 Supply of NU316 Bearing 17 Supply of NU318 Bearing 18 Supply of 315 A / 250 A / 200 A HN Type, Size-1, (L&T) HRC Fuses. 19 Supply of 400 A / 315 A / 250 A / 200 A HN Type, Size-2, (L&T) HRC Fuses. 20 Cables disconnection or re-connection for motors up to 1HP without removing from the bed. 21 Cables disconnection or re-connection for motors above 1.0 HP upto 5.0 HP without removing from the bed. 22 Cables disconnection or re-connection for motorsabove 5.0 HP upto 10.0 HP without removing from the bed. 23 Cables disconnection or re-connection for motorsabove 10.0 HP upto 20.0 HP without removing from the bed. 24 Cables disconnection or re-connection for motorsabove 20.0 HP upto 40.0 HP without removing from the bed. 25 Cables disconnection or re-connection for motors above 40.0 HP upto 75.0 HP without removing from the bed. 26 Cables disconnection or re-connection for motors above 75.0 HP upto 150.0 HP without removing from the bed. 27 Painting of Motors up to 1 HP with one coat of red-oxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 28 Painting of Motors above 1.0 HP upto 5.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 29 Painting of Motors above 5.0 HP upto10.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 30 Painting of Motors above 10.0 HP upto 20.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 31 Painting of Motors above 20.0 HP upto 40.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 32 Painting of Motors above 40.0 HP upto 75.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 33 Painting of Motors above 75.0 HP upto 150.0 HP with one coat of redoxide and two coats of synthetic enamel paint including supply of paint and painting consumables. 34 Overhauling of Pedestal / Exhaust fans of rating up to 200 W. 35 Overhauling of Ceiling Fans of rating upto 200 W. 36 Supply of 450 MM Exhaust Fans in buildings. 37 Servicing of portable electrical tools with motors of rating up to 2.0 H.P. including overhauling, replacement of defective parts and painting as detailed in scope of work complete with supply of all the material except the free issue items listed in Sec. VII, necessary for completion of the work. 38 Rewinding of burnt stator coils of induction motors of Capacity up to 1.0 HP with new super enameled copper wire of same gauge and quality including painting of stator and external surfaces of motor, servicing, testing and installation of motor as detailed in scope of work completelywith supply of all the material necessary for completion of the work. 39 Rewinding of burnt stator coils of induction motors of Capacity above 1.0 HP upto 5.0 HP with new super enamelled copper wire of same gauge and quality including painting of stator and external surfaces of motor, servicing, testing and installation of motor as detailed in scope of work completelywith supply of all the material necessary for completion of the work. 40 Rewinding of burnt stator coils of induction motors of Capacity above 5.0 HP upto 10.0 HP with new super enamelled copper wire of same gauge and quality including painting of stator and external surfaces of motor, servicing, testing and installation of motor as detailed in scope of work completelywith supply of all the material necessary for completion of the work. 41 Rewinding of burnt stator coils of induction motors of Capacity above 10.0 HP upto 20.0 HP with new super enamelled copper wire of same gauge and quality including painting of stator and external surfaces of motor, servicing, testing and installation of motor as detailed in scope of work completelywith supply of all the material necessary for completion of the work. 42 Rewinding of burnt stator coils of induction motors of Capacity above 20.0 HP upto 40.0 HP with new super enamelled copper wire of same gauge and quality including painting of stator and external surfaces of motor, servicing, testing and installation of motor as detailed in scope of work completelywith supply of all the material necessary for completion of the work. 43 Preventive maintenance, testing of 415 V AC LT DOL/Star Delta starters of capacity up to 10 HP including thorough inspection and maintenance of contactors, power & control connections. 44 Preventive maintenance, testing of 415 V AC LT DOL/Star Delta starters of capacity above 10 HP and upto 20 HP including thorough inspection and maintenance of contactors, power & control connections. 45 Preventive maintenance, testing of 415 V AC LT DOL/Star Delta starters of capacity above 20 HP and upto 40 HP including thorough inspection and maintenance of contactors, power & control connections. 46 Preventive maintenance, testing of 415 V AC LT DOL/Star Delta starters of capacity above 40 HP and upto 75 HP including thorough inspection and maintenance of contactors, power & control connections. 47 Preventive maintenance, testing of 415 V AC LT DOL/Star Delta starters of capacity above 75 HP and upto 150 HP including thorough inspection and maintenance of contactors, power & control connections. 48 Insitu Servicing of EOT Crane SCIM motorsof Capacityup to 10 HP including lubrication, removal of end shields, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scope of work. 49 Insitu Servicing of EOT Crane SCIM motorsof Capacityabove 10 HP upto 25 HP including lubrication, removal of end shields, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scope of work. 50 Insitu Servicing of EOT Crane Slip Ring Induction Motorsof Capacity20 HP - 50 HP including lubrication, improvement of Insulation Resistance value, conditioning for slip ring, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 51 Maintenance of control panels, CT trolley, AC/DC EM Brakes, Electrical Check listing and assistance during load testing of 5 T EOT Cranes. 52 Maintenance of control panels, CT trolly, AC/DC EM Brakes, Electrical Checklisting and assistance during load testing of 10 T EOT Cranes. 53 Maintenance of control panels, CT trolly, AC/DC EM Brakes, Electrical Checklisting and assistance during load testing of 20 T EOT Cranes. 54 Maintenance of control panels, CT trolly, AC/DC EM Brakes, Electrical Checklisting and assistance during load testing of 100 T EOT Cranes. 55 Servicing and testing of Juko make Radio Remote Control Installations for EOT Cranes. 56 Supply, installation and testing of DOL Starter for 3 Ph., 415 V,Induction Motor from 5 HP to 10 HP rating 57 Supply, installation, commissioning and testing of 50 HP 3 Phase 415 V 50 Hz 4 Pole Induction Motor (Frame Size:225S) 58 Fabrication and installation of in powder coated panel enclosures in various overall dimensions Using Industrial quality CRCA Sheet Steel of various thicknesses fitted with hinges, doors, locking of doors (single/double) using Bakelite headed bolts, component mounting plates, cable gland plates, gaskets etc. as per department drawings/insitu requirements and as instructed by the Engineer-in-charge. All the material required for the completion of the work shall be in the scope of the contractor. 59 Supply and installation of round type Motor Terminal Block suitable for 3 Ph. 415 V AC Induction Motor up to 10HP rating. 60 Supply and installation of Motor Rectangular Terminal Block suitable for 3Ph. 415 V AC Induction Motors up to 75HP rating. 61 Servicing and testing of Electric Scooter 62 Insitu Servicing of AC/DC machines or Motor Generator setsof Capacityup to 10 KW including lubrication, conditioning of commutator, improvement of Insulation Resistance value, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 63 Insitu Servicing of AC/DC machines or Motor Generator setsof Capacity above 10 KW upto 25KWincluding lubrication, conditioning of commutator, improvement of Insulation Resistance value, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 64 Insitu Servicing of AC/DC machines or Motor Generator setsof Capacity above 25 KW upto 75 KWincluding lubrication, conditioning of commutator, improvement of Insulation Resistance value, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 65 Insitu Servicing of AC/DC machines or Motor Generator setsof Capacity above 75 KW upto 150 KWincluding lubrication, conditioning of commutator, improvement of Insulation Resistance value, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 66 Insitu Servicing of AC/DC machines or Motor Generator setsof Capacity 500 KW MG Set (or) 890 KW 6.6kV Induction Motor including lubrication, conditioning of commutator, improvement of Insulation Resistance value, removal of end shields if necessary, replacement of defectivebearings, carbon brushes, brush gear, terminal box inspection, cable tightening and testingas detailed in scopeof work. 67 Preventive maintenance, testing of 380 V AC and 220V DC Change over switches & Motor starters with inbuilt protection card & control modules located in confined space for capacity up to 50A . 68 Preventive maintenance, testing of 380 V AC and 220V DC Change over switches & Motor starters with inbuilt protection card & control modules located in Constrained space for capacity above 50A and upto 150A . 69 Preventive maintenance, testing of 380 V AC and 220V DC Change over switches & Motor starters with inbuilt protection card & control modules located in Constrained space for capacity 150A and upto 300A . 70 Preventive maintenance, testing of 380 V AC and 220V DC Auto Changeover Switches for capacity upto 50A 71 Preventive maintenance, testing of 380 V AC and 220V DC Auto Changeover Switches for capacity above 50A and upto 300A 72 Preventive maintenance of 180KW Resistive Forced Air Cooled Load banks including thorough cleaning, supply & painting with Hammertone / Aluminium /Enamel paints. 73 Preventive maintenance of 18 KW Resistive Forced Air Cooled Load banks including accessories and cooling fans including thorough cleaning, supply & painting with Hammertone / Aluminium /Enamel paints. 74 Overhauling, painting and testing of 11/0.433 kV, 1.5 MVA, Oil Filled Distribution Transformers including supply of necessary spares, gaskets, paints and other consumable materials. 75 Overhauling, Insulation Improvement works, painting and testing of 433 / 380 V, 750 KVA, Dry Type Distribution Transformers including supply of necessary spares, gaskets, paints, varnish and other consumable materials. 76 Cleaning and Painting of Transformer Bay Gates with supply of primer and paint. 77 Supply of EHV grade Transformer Insulating Oil confirming to IS:335 and suitable for replacement in 1.5MVA, 11kV Oil Cooled Distribution Transformers 78 Supply and laying of 1 mtr width x 2 mm thick 3.3kV Electrical Insulation Rubber Mats for use with Switchboards/Panels of working AC voltage 440V (RMS). 79 Maintenance of 415 V MCC/PCC Panels with Two Verticals with painting as per technical specificatoins 80 Electrical Maintenance of radial drilling machine including replacement of motor & Selector Switch as per detailed technical specifications.
