Bids Are Invited For Installations For Nonoperational Area Amc For E And M Installation For Non-Operational Area , Supplying And Topping Of New Insulating Transformer Oil , Servicing Of Existing Acb Of Various Make Having Capacity Of 800A To 1600A , Servicing Of Existing 11 Kv Vcb Of Various Make , Filtration Of Transformer Oil Including Dehydration And Removal Of Cabon , Cablibration And Testing Of Idmt Relays , Calibtration And Testing Of Measuring Instruments Insulation Tester Clip On Meter Earth Tester , Calibration And Testing Of Buchlotz Relay For Kv Indoor Oil Cooled , Operation And Maintenance Services Of Wtp Of Sand Filter Carbon Filter , Replacement Of Following Media For Wtp Filtering San Required For Ngmf 135 , Replacement Of Following Media For Wtp Gravel 2-6 Mesh Ngmf Ngs Ngma , Replacement Of Following Media For Wtp Activated Carbon Required For Ngma-110 Annual Maintenance Contract Of Electrical And Mechanical Total Quantity : 5997