GENERAL-AMC 2025-26-Fully Comprehensive Annual Maintenance Contract of Koodalappad, Vellaramugal, Vazhakkulathuchira and Perumani LIS Electrical-General Electrical Work

Motor Overhauling Works

OD56940/2025-2026:Dismantling the 30 HP motor into stator and rotor, cleaning the winding attending minor repairs, re taping the coils if necessary, varnishing the coils with best quality insulation varnish, cleaning and greasing the bearings with good quality grease, heating the winding , reassembling, refitting the motor in position coupling with pump correcting alignment and giving connection, test running with full load including scrapping, cleaning and painting the motor pumpset, base plate etc.with enamel paint.

OD56939/2025-2026:Dismantling the 40 HP motor into stator and rotor, cleaning the windings attending minor repairs, re taping the coils if necessary, varnishing the coils with best quality insulation varnish, cleaning and greasing the bearings with good quality grease, heating the windings, reassembling, refitting the motor in position coupling with pump correcting alignment and giving connection, test running with full load including scrapping, cleaning and painting the motor pumpset, base plate etc.with enamel paint.

Consumables and Supplies

OD56925/2025-2026:Supply and renewal of Multifunction meter to read: multifunction meter to read VA,PF,KW,KWh, accuracy class-1 LCD in panel board after dismantling the damaged one, L&T or Equivalent make.

OD56934/2025-2026:Supply and fixing of 200/5 A, 10 VA accuracy class 1, resin cast metering CT

OD56932/2025-2026: Supply and renewal of the LED Indication lamps in panel board after dismantling the damaged one

OD56929/2025-2026:Supply and Installing 20 W LED Tube light.

90.16.3.3:Supply and clamping the following size of strips on surface of wall/ parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required ( for horizontal run)25 x 6 mm GI strip

OD56921/2025-2026:Supply and renewal of Three Phase digital Ammeter accuracy class 1 in panel board after dismantling the damaged one, L&T or equivalent make.

OD56924/2025-2026:Supply and renewal of Three Phase Digital Voltmeter accuracy class 1 in panel board after dismantling the damaged one, L&T or Equivalent make.

OD56922/2025-2026:Supply and Installation of DOL starter for 5 HP 3 phase 400V 50Hz squirrel cage induction motor including giving connections( L&T /Equivalent made)

90.14.24.23:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.10 KVAr, 3 phase, 440 V, delta connected, standard duty Metalised Poly Propylene Capacitor, Box Type, suitable for direct connection to motors.

90.14.24.22:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.7.5 KVAr, 3 phase, 440 V, delta connected, standard duty Metalised Poly Propylene Capacitor, Box Type, suitable for direct connection to motors.

1.17.12:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required.3 x 2.5 sq. mm

OD56933/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6309 , SKF / FAG or equivalent, suitable for pump (50-120 HP) as per the direction of Departmental staff at site.

OD56931/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6310 , SKF / FAG or equivalent, suitable for 30 HP motor / pump set as per the direction of Departmental staff at site.

OD56930/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6312 , SKF / FAG or equivalent, suitable for 40HP motor/pump set, as per the direction of Departmental staff at site.

OD56936/2025-2026:Dismantling the damaged power contactor and Supply, fixing and testing of following capacity 3 pole power contactor, AC 3 rating at 415 V, with AC Coil, Auxiliary contacts, 2 NO/2NC, L&T MNX 70 or equivalent suitable for 40 HP motor's fully automatic star delta starter

OD56938/2025-2026:Dismantling the damaged power contactor and Supply, fixing and testing of following capacity 3 pole power contactor, AC 3 rating at 415 V, with AC Coil, Auxiliary contacts, 2 NO/2NC, L&T MNX 50 or equivalent suitable for 30 HP motor's fully automatic star delta starter

OD56920/2025-2026:Supply and fixing of L&T Overload relay for 40 HP Squirrel cage motor starter

OD56928/2025-2026:Supply of electronic timer for FASD(L&T ST 80329000 ) or equivalent

OD56926/2025-2026:Supply , Conveyance and fitting 315/400 A, HRC Fuse Base with suitable HRC Fuse

OD56935/2025-2026:Supply , Conveyance and Installation of 100 HRC Fuse link in the existing Switch unit.

Motor AMC

OD56918/2025-2026:Fully Comprehensive Annual Maintenance of 1 HP Vacuum motor pump set , D.O.L starter ,controlling electrical accessories , etc complete for a period of 12 months including attending all repairs , reconditioning the damaged parts, replacing spares with original make as per sample, dismantling and refitting , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required including overhauling of pump, overhauling of the motor, maintenance of motor thorughout the AMC period whenver necessary (excluding rewinding) repairs of vaccum pipe line, starter, valves electrical accessories etc as required complete in good working condition including painting the motor pumpset, base plate all time during the period of contract and the faults should be rectified with in the time allowed.

OD56919/2025-2026:Fully Comprehensive Annual Maintenance of 5 HP Vacuum motor pump set , D.O.L starter ,controlling electrical accessories , etc complete for a period of 12 months including attending all repairs , reconditioning the damaged parts, replacing spares with original make as per sample, dismantling and refitting , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required including overhauling of pump, overhauling of the motor, maintenance of motor through out the AMC period whenever necessary (excluding rewinding) repairs of vacuum pipe line, starter, valves electrical accessories etc as required complete in good working condition including painting the motor pump set, base plate all time during the period of contract and the faults should be rectified with in the time allowed.(Total 3 Nos ,12 months each)

OD56917/2025-2026:Fully Comprehensive Annual Maintenance of 30 HP squirrel cage induction motor with split case / End suction pump set , starter, controlling electrical accessories , panel board,etc complete for a period of 12 months including attending all repairs ,overhauling & reconditioning of starter , replacing of damaged contacts, no volt release coil, overload coil, reconditioning and refill oil, overhauling of panel board by checking the wire connections, control wiring, servicing of switch gears as required, replacing the burnout fuse links, repair the damaged hinges replacing wornout beedings including painting etc. replacing the damaged coupling bush, and coupling bolts, Overhauling and reconditioning the pump set by reconditioning the damaged parts , replacing spares with original make as per sample , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required, painting the starter, base plate, pump set and maintain the motor pump sets starter , electrical accessories etc complete in good working condition all time during the period of contract and the faults should be rectified with in the time allowed .

OD56916/2025-2026: Fully Comprehensive Annual Maintenance of 40 HP squirrel cage induction motor with split case / End suction pump set , starter, controlling electrical accessories , panel board,etc complete for a period of 12 months including attending all repairs ,overhauling & reconditioning of starter , replacing of damaged contacts, no volt relese coil, overload coil, reconditioning and refil oil, overhauling of panel board by checking the wire connections, control wiring, servicing of switch geares as required, replacing the burnout fuse links, repair the damaged hinges replacing wornout beedings including painting etc. replacing the damaged coupling bush, and coupling bolts, Overhauling and reconditioning the pumpset by reconditioning the damaged parts , replacing spares with original make as per sample , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required, painting the starter, base palte, pumpset and maintain the motor pump sets starter , electrical accessories etc complete in good working condition all time during the period of contract and the faults should be rectified with in the time allowed .(Total 4 motors 12 months each)

OD56915/2025-2026: Fully Comprehensive Annual Maintenance of 40 HP Slip ring induction motor with split case / End suction pump set , starter, controlling electrical accessories , panel board,etc complete for a period of 12 months including attending all repairs ,overhauling & reconditioning of starter , replacing of damaged contacts, no volt relese coil, overload coil, reconditioning and refil oil, reconditioning the slipring unit as required, overhauling of panel board by checking the wire connections, control wiring, servicing of switch geares as required, replacing the burnout fuse links, repair the damaged hinges replacing wornout beedings including painting etc. replacing the damaged coupling bush, carbon brush and coupling bolts, Overhauling and reconditioning the pumpset by reconditioning the damaged parts , replacing spares with original make as per sample , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required, painting the starter, base palte, pumpset and maintain the motor pump sets starter , electrical accessories etc complete in good working condition all time during the period of contract and the faults should be rectified with in the time allowed .(Total 4 Motors 12 months each)

Rewinding

OD60649/2025-2026:Disconnect all electric connections from the motor , decoupling the motor from pump and remove the base bolts from motor and base plate and kept the motor at safe place , checking and testing the stator and rotor winding. power greater than 15 HP and up to 60 HP,leading the motor to the nearest roadside using manpower, rope , chain, reaper etc. as required without getting damages to the motor, including loading into the vehicle and unloading at workshop for repairs and to and fro Conveyance.including resetting, refitting, coupling with pump, giving connection, taking trial run with full load etc. complete

OD60651/2025-2026:Charges for rewinding the burnt rotor/stator - separate stater and rotor/stator, dismantling the damaged rotor/stator winding from the rotor/stator slots, cleaning the slots neatly, insulating the slots with correct class of insulating paper, winding the rotor/stator with good quality correct gauge of super enamelled copper winding wires, closing the rotor/stator slots with fibre wedges, putting proper inter layer insulation, connecting the coil end connection, providing new rotor/stator lead wire, steel binding the overhang with proper insulation at both ends, heating the coils and varnishing with good quality insulation varnish, keep it for drying, reassembling and test running(Less scrap copper)

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