Annual Routine / Breakdown Maintenance Of Gs Budgam And S/C 220Kv Tap Line ( Loop-In ) Annual Routine / Breakdown Maintenance Of 320 Mva 220/132Kv And 100 Mva , 132/33Kv Grid Station Budgam And S/C 220Kv Tap Line ( Loop-In ) , Grid Stations And Other Assets , Power Transformer:- , Preventive Maintnenance , Checking Of Auto Starting Of Fans/Pumps , Hand Operation On All Taps , Including Handle Interlock Switch , Overload Device Of Driving Motor , Local And Remote Operation Of Accessories , Wti/Oti Indications , Oltc Driving Mechanisum , Checking Of Mb Of Oltc Reactor Bucholz Relay Surge Relay . External Cleaning Of Radiators , All Bushing , 50 Mva And Above ( Quaterly Maintainace Schedule ) , Onload Filtration Of 50 Mva & Above . ( Yearly Maintainace Schedule ) , Circuit Breaker , Preventive Maintnenance , Sf6 Breaker , Checking Of Autostarting Of Air Compressor , Pressure Drop During Duty Cycle , Hydraulic Pump Operation , Gas Levels . Cleaning Of Breaker Units , Checking Of Protection Equipments And Replacement Of Defective Ones , I , E . Complete Inspection And Testing Of Sf6 Type Circuit Breakers Inclusive Of Operating Mechanism . Topping Of Gas Levels If Required . , 220 Kv ( Quaterly Maintainace Schedule ) , 132 Kv ( Quaterly Maintainace Schedule ) , 33 Kv ( Quaterly Maintainace Schedule ) , Break Down Maintenance , ( Procurement Of Vacuum Interupter ) , 33 Kv ( Yearly Maintainace Schedule ) I Nstallation Testing And Commissioning Of Material @ 10% Of Material Cost , Procurement Of Spares , Spring Charging Motors , Tripping And Closing Coils Etc . Abb/Alstom/Areva Make For 33Kv Vcb ( Yearly Maintainace Schedule ) , Current Transformer:- , Preventive Maintnenance , Checking /Cleniness And Tightness Of All Electrical Connections Including Earthing Of Marshalling Box , Ct Secondary Terminal , Space Heater And Illumination , Healthness Of Secondary Terminal Bushing . Checking Of Oil Level . Measurement Of Ir Value And Tightning Of Jumpers . Thermovision Scaning Of Ct And Filling Of Nitrogen Gas . , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Break Down Maintenance ( Procurement Of Ct ) , 132 Kv ( 900-600-300 / 1-1-1-1-1 ) ( Yearly Maintainace Schedule ) , 33 Kv ( 1200-600-300 / 1-1-1 ) ( Yearly Maintainace Schedule ) , Procurment Of Spares , Ct Clamps And Connectors 0 . 2 / 0 . 4 Etc . , Capacity Voltage Transformer / P . Ts :- , Preventive Maintnenance , Checking Of Earthing Of Hf Point , Breakage Or Cracks In Hf Bushing , Neutral Earthing In Cvt , Healthiness Of All Gaskets And Oil Level . Cleaning Of Cvt Capacitor Stacks , Marshalling Box And Junction Box , Space Heater And Illumination . Thermovision Scanning Of Cpacitotr Stacks . Measurement Of Ir Value And Tightning Of All Connections And Droppers , Filling Of Nitrogen Gas Etc . , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Break Down Maintenance ( Procurement Of Material Pt ) Installation Testing And Commissioning Of Material @ 10% Of Material Cost , 132 Kv , 33 Kv , Procurment Of Spares , Pt Clamps And Connectors Etc . , Surge Arrestor:- , Preventive Maintnenance , Checking Of Leakage Current After Cleaning Of , Procelain Surface , Cleaning Of L . A Insulators . Measurement Of Ir Value And Tightning Of Droppers And Testing Of Counter By Surge Monitor And Meters Test . , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Break Down Maintenance ( Procurement Of Surge Arrestor ) Installation Testing And Commissioning Of Material @ 10% Of Material Cost , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Procurment Of Spares , Isolators:- , Preventive Maintnenance , Maintenance Of Linkages Including Transmission Gears , Stopper Bolts . Cleaning Of Auxillary Switch Contacts And Greasing With Silica Grease , Cleaning Of Support Insulators , Termination Contacts , Checking Of Electrical /Mechnical Interlocks With E/S & Cb , Mounting Bolts , Alignment , Nuts , Pins , Space Heater And Illumination , Healthness Of Gaskets , Auxillary Contacts , Alingment Earthing Blads , Operation Of Earth Switch , Aluminum /Copper Flexible Conductor , Earth Connections Of Structures And Mb . Lubrication Of Operating Mechanism , Hinges , Lock Joints , On Levers , Bearings , Main Contacts , Cleaning Of Post Insulators , Tightning Of Clamps Etc . , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Procurment Of Spares , Male/Female Contacts Etc , Bus Bar , Preventive Maintnenance , Tightning Of Clamps/ Jumpers/Droppers . Thermovision Scanning Of All Condcutor Joints And Terminal Connectors /Clamps ( 220/132/33 Kv Yard ) . Replacement Of Damaged/ Bunt Droppers Or Jumpers ( Yearly Maintainace Schedule ) , Procurment Of Spares Viz Pad Clamp , Bus Clamp Single / Twin , Post Insulators:- , Preventive , Checking Of Insulators For Cracks And Cleaning Of Insulators , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Procurement Of Spares , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Gantry Column & Beams; , Preventive Maintnenance , Tightening Of All Nuts/Bolts And Providing Of Missing Nuts/Bolts And Damaged Members , 220 Kv Bay ( Yearly Maintainace Schedule ) , 132 Kv Bay ( Yearly Maintainace Schedule ) , 33 Kv Bay ( Yearly Maintainace Schedule ) , Procurement Of Spares , Illumination System:- , Preventive Maintnenance , Checking Of Healthiness Of Fittings In Station Buildings , Out Door Switch Yard , Repairing And Replacement If Required , Lighting Of Pannels . Tightning Of Terminals , Etc . ( Yearly Maintainace Schedule ) , Procurement Of Spares , Battery Bank:- 220 V 2X55v , 300 Ah , Preventive Maintnenance , Checking And Cleaning Of Battery Cell Terminals , Application Of Petrolum Jelly , If Required , Conducting Of Battery Impedance Test And Discharge Test Checking Voltage , Temperature , Current , Sp . Gravity Of Individual Cells As Well As Terminal Voltage . ( Yearly Maintainace Schedule ) , Procurement Of Spares , Battery Charger , Preventive Maintnenance , Checking Of Control Cards , Measurement Of Test Point Voltage Values , Testing Of D . C Earth Fault And U/V Relays , I . R . Measurement Of Charger Transformer Checking Of Earthing Etc . Checking Of Charger Pannel /D . C . D . B For Electrical Connections , Cleaniless Etc . ( Yearly Maintainace Schedule ) , Procurement Of Spares , Protection System . , Preventive Maintnenance , Checking Of Relays And Application Of Ccl4 For Cleaning , Carrying Out Relay Testing Replacement Of Worn Out Defunct Relays , Testing Of Event Logger/Disturbance Recorder If Any , Checking And Replacement Of Control Wiring If Required . ( Yearly Maintainace Schedule ) , Break Down Maintenance , ( Procurement Of Relays ) , 220 Kv ( Yearly Maintainace Schedule ) , 132 Kv ( Yearly Maintainace Schedule ) , 33 Kv ( Yearly Maintainace Schedule ) , Procurment Of Spares , Volt Meters , Amp Meters , Energy Meter , Frequency Meter Etc . , L . T Switchgear / Auxilary Transformer . , Preventive Maintnenance , Checking Of All Connections , Tightining , And Replacement Of Wiring Of Required , Testing O
