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Preventive, Breakdown And Routine Maintenance Of Electrical Equipments In Chp E-1 For A Period Of One Year-1 Routine Maintenance of 415 Volts LT Switch gear Modules and Breakers (Data Rate No.1 Enclosed) 2 Routine Maintenance of Auxiliary Panels (Data Rate No.2 Enclosed) 3 Routine maintenance of HT breakers and its auxiliary panels.(Data Rate No.3 Enclosed) 4 Routine Maintenance of Electrical Switches. (Data Rate No.4 Enclosed) 5 Overhauling/Replacement of LT Motors upto 50 kW.(Data Rate No.5 Enclosed) 6 Overhauling/Replacement of LT Motors 51kW and above.(Data Rate No.6 Enclosed) 7 Cleaning of cable trays (Data Rate No.7 Enclosed) 8 Laying of cable in Existing trench/GI pipe/Stone Ware/RCC Hume pipe using Wooden/Aluminum Rollers as directed by the departmental staff.(Commen SR 20234-24(ESCOM SR), Item Number 21.05 ) -2.5 to 25 sq.mm. 9 Laying of cable in Existing trench/GI pipe/Stone Ware/RCC Hume pipe using Wooden/Aluminum Rollers as directed by the departmental staff. ( ESCOM SR 2023-24, item No # 21.07 Sl No.176) -120 to 240 sq.mm 10 Heat shrinkable straight through joint -3x95 sqmm to 3x400 sqmm. (Comman SR ESCOM SR 2023-24, Sl No.179,180,181Items no: 22.01,22.02,22.03) 11 Making and Fixing pot head for HT Cable only - Heat shrinkable type - 3x95 to 3x400 sqmm. (ESCOM SR 2023-2024, Srl No:182,183,184 Items no: 22.04,22.05,22.06) 12 ShiftDuty (KPCL SR Annexure to 2023-2024,Data Rate No:8 Enclosed) 13 Excavation of trench and back filling after laying cables 0.6RmtX1.0RmtX500Rmts (Data rate No. 13 Enclosed) 14 OVERHAULING OF 6.6 kV HT MOTORS RANGING FROM 180 kW TO 900 kW:Work involves removing of termination, glanding, foundation bolts, decoupling, removing of earthing, dismantling of fan, rotor, replacement of bearings if necessary of both NDE & DE, cleaning of rotor & stator, varnishing with sutable insulating varnish, checking the rotor bars for their healthiness, reassembling, fixing on foundation, test running, greasing if necessary, monitoring temperature and vibration of bearings during trial run, alignment of motor, retermination, testing and running on load and monitoring temperature and vibration of bearings during on load trial run etc., complete.(Data Rate No.14 Enclosed) 15 REPLACEMENT OF 6.6 kV HT MOTORS RANGING FROM 180 kW TO 900 kW: Work involves removing of termination, glanding, foundation bolts, earthing, decoupling, transportation of failed motor to service bay, Transportation of healthy standby motor from service bay to its position, mounting on the foundation, alignmennt, coupling, termination of supply cables & earthing and test run, monitoring bearing temprature until stabilisation and noting vibration readings etc., complete. Correction of motor seating area on bed has to be carried out by the contractor including blue matching if required.(Data Rate No.15 Enclosed) 16 ALIGNMENT OF 6.6 kV HT MOTORS RANGING FROM 180 kW TO 900 kW :Work involves removing power, control and earthing cables, foundation bolts, alignment of motor with respect to the coupling, Retermination of power, control and earthing cables and taking trail run of the motor until stabilisation of bearing temperatures and noting vibration readings.(Data Rate No.16 Enclosed) 17 CLEANING AND GREASING OF 6.6 kV HT MOTORS RANGING FROM 180 kW TO 900 kW :Work involves periodical inspection and cleaning of HT motors, checking of HT termination, greasing of DE/NDE bearings, removing of fan covers/cooler assembly, cleaning of air ducts, checking foundation bolts, checking of bearing emperatures and vibration etc. complete.(Data Rate: 17 Enclosed) 18 Supervision Complete Preventive, Breakdown and Routine Maintenance of Electrical Equipment’s in CHP E-I For a period of One Year-2024-25. ( Engineering Diploma Holder Electrical ).(Data Rate: 18 Enclosed)
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