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Bids Are invited for Repair, Maintenance, And Installation Of Plant/ Systems/Equipments (Version 2) - Bsnl Nit No 15 Providing Electrical Maintenance And Servicing Of 2X500kva Transformer Sub Station In Te Building At Malleshwaram Bengaluru; Substation, Switchyard; Ser.. - Providing General Servicing Of 415Volts, 800/1000A ,3 Pole Air Circuit Breakers Including Removing/Draw Out The Acbs From The Position Cleaning Of Acb Contacts With Crc-22 Chemical Solution, Checking The Working & Operation Condition Of Springs/Tripping Mechanism Tightening Of Connection, Checking Of Uv Tripping Making Good As Required.(M/S C&S Or Similar Make) , Filtration Of Existing Transformer Oil Including Testing Of Oil Before And After Filtration And Issue Of Test Certificate, Including Arranging For Shutdown Of Transformer Arranging Of Suitable Man Power And Transportation Filtration Kit, Testing To With Stand Die Electric Strength Of 60 Kv For One Minute With An Air Gap Of 2.5 Mm For Ht Transformer Etc As Required. , Topping Of Transformer Oil To Transformer, Ht Panel, New Oil With Filtration Unit And Testing To With Stand Die Electric Strength Of 60 Kv For One Minute With An Air Gap Of 2.5 Mm For Transformer Etc All As Required. , S&F Of Fresh Silica Jell Breather Along With Container Suitable To The Existing 500 Kva Transformer Etc, As Reqd. , Replacing And Fixing Of 3 Phase Sprout Housing Assembly Suitable For 800A/ 630A Ht Breakers Front/Back For Incoming And Outgoing Breakers Including Dismantling And Removing Of Damaged, Broken Housings Arranging Specialised Ht Mechanic And Helpers, Arranging For Power Supply Shutdown From Bescom And Commissioning Etc., As Reqd. , Providing General Servicing To The Following Mv Panels By Switching-Off Of Power Supply, Tightening Of Bus Bar Connections, Cable Connection Terminated To The Panel, Tightening Of Bus Trunking Connections At Transformer & Main Mv Panel, S/F Of Bolts & Nuts If Required, Checking The Cable Gland, Checking Of Earthing Connections, Etc As Required. A) Main Mv Panel. , B) Essential Panel & Changeover Panel , C) Capacitor Panel & Power Room Panel , Supplying And Fixing Of 100W Strip Heater With Thermostat In Suitable Size Ms Box Including Making Arrangement Of Suitable Bracket/ Bolt Nut , Modification Of Ht Panel Compartment And Extending Of Power Supply With 3Core1.5Sqmm Copper Cable And Commissioning Etc As Required , Replacing And Fixing Of Ht Supply Ht Current Transformer Of Suitable Ratio To Suit In Existing 11Kv Ht Supply Including Connections With Existing Bus Bar Including Mechanic And Arranging For Power Supply Shutdown From Bescom, Meggering Of Cts And Commissioning Etc., As Reqd. [ Bescom Approved Make]
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