Tirumala Tirupati Devasthanams Tender

Annual comprehensive maintenance service contract for 33KV / 11KV VCB's / RMU panels and Load Break Switches which is inclusive of prepventive maintenance / repairs Cum service charges inclusive of all spares cost like Timers, contactors, fuses of VCB and LBS, Indicators, MCB's insulators, relays, meters, mechnism spares etc., complete for one year. (Except CT & PT etc.,)

Preventive maintainace work of 33/11 KV Substation available at GG Dam park, Tirumala with the following works shall be carried out quarterly with a minimum time of 4 hrs. with maximum number of skilled, semiskilled and unskilled workmen. 1) All Bolts & Nuts of Bus bars, AB Switches, VCB's, LAS's and etc., available in 33/11 KV Substation are to be tightened with suitable tools etc., completed as directed during the preventive maintainace 2) All types of Porcelain Insulator items, over the bus bar, Transformers, VCB's and etc. are to be cleaned with dust proof dry cloth and applying the turbine Oil. 3) All VCB Panels and its remote control panels, Capacitor panels and AC panels should be cleaned the dust particles with blower and the mechanism of all VCB's are to be tested by applying the gear oil at the time of preventive maintainace as directed during the execution.

4) All AB Switches (33 KV & 11 KV) will be checked thoroughly tightened the operating rods, connecting rods, moving & fixing contacts by applying the petroleum gel. 5) All the Defective materials are to be replaced at the time of preventive maintenance. Note:- 1) The Concern AEE(Eelc)/Dy.E.E. department will be arrange for 33 KV Line clear at the time of Preventive maintainace. 2) The Brocken clamps, bolts, Insulators, AB Switches, LAS and all other accessories etc., will be supplied departmentally.