Tamil Nadu Generation And Distribution Corporation Limited Tender

30 KW and above 30 KW LT module :Charges for the following work in One LT Module: Rack out the LT modules from the panel (Range 30 KW,37 KW, 55 KW,90 KW, 110 KW), removing from its position, removal of dust by blower/Vacuum cleaner, removing the contactors cover, removal of carbon dust over the electrical components such as power contactors, auxiliary contactors, fuse switches, control fuse holder, control transformer ,power and control wiring etc, by using blower/cleaning brush. Removing the power contactor arc chute, auxiliary contactor top cover and cleaning the carbon deposition over the moving and fixed contacts, metering CTs, by molykote, tightness checking of all bolt and nuts, power & control wiring with components, reassembling the LT modules. After completion of work, check the IR value of the wiring and racked inside the LT modules for the conveyors 27A&B, 26A&B, 25A&B, 24A&B, 28A, 36A&B and Trash Screen at JT–3 - 13 Nos., including assistance for shift operator round the clock in shift duty in location at CHS I & II. (Each module should be cleaned twice in a month)

30 KW and above 30KW LT Motors : Charges for the following work in One LT Motor - Removing of terminal cover, cleaning of motor and terminal box by blower, tightness checking of all three phases bus bars and end terminals, applying of bearing grease and checking of bearings. After completion of work, meggering of the motor winding, checking of the motor, trial run with load.(For Conveyor-27A&B, 26A&B, 25A&B, 24A&B, 28A&B,22,23,36A&B and Trash Screen at JT-3-16 Nos.(Each Motors should be cleaned twice in a month)

LT BreakersCharges for the following work in One LT Breaker- Rack out the LT Breakers 415V range from the panel, removing from its position, removal of dust by vacuum cleaner/ blower, removing the arc chute cover, removal of carbon deposits in all electrical components, moving and fixed contacts, Protection CTs by molykote, tightness checking of all bolt and nuts, internal wiring with components, lubricating the breaker mechanism, reassembling the LT Breakers. After completion of work, racked inside the LT Breakers in the panel and put in service position and check the healthiness of the Breakers and operating conditions. (For Incomer Bus IA, IB, IIA, IIB, Bus Coupler – 2Nos., Conveyor-22, Conveyor-23 and Conveyor-28B)- 9 Nos. (Each Breakers should be cleaned twice in a month).