Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And 10 Mva 37.5 / 11 Kv Or 33 / 11 Kv 37.5 / 11 Kv Or 33 / 11 Kv Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva, 8 Mva And 10 Mva 37.5 / 11 Kv Or 33 / 11 Kv 37.5 / 11 Kv Or 33 / 11 Kv , Preliminary Inspection Of Transformers At Pvvnl Site / Workshop Involving Minor Repairs At Site / Workshop , Preliminary Inspection Of Transformers At Pvvnl Site / Workshop For Estimation Involving Major Repairs Unloading Of Trnasformers, At Contractors Work & Repair Of Transformer Cover, Draining Of Oil, If Any, Di-Tanking Core And Coil Assembly, And Replacement Of Damaged Parts, Minor Repair Of Core And Tank ( If Required ) Cleaning Washing Of Dust & Dirt Etc. From All Parts Including Core Tank & Cooling Tubes Of Radiators Removal Of Damaged Parts, Requiring Replacement, Fitting, Fixing Of New Parts, Making Connection & Assembly, Complete In All Respect, Re-Tanking After Repairs, Filling Fresh Transformer Oil, Making Transfomer Ready For Tests & Testing For All Tests As Per Clause 16.0 Of Technical Specification. , Hv Leg Coils Complete With Insulation, Varnishing By Vacuum Impregnation ( If Required As Per Sample ) And Baking Of Coil Assembly ( Variable Base Date 01.07.22 ) , Lv Leg Coils Complete With Insulation, Vanishing By Vacuum Impregnation ( If Required As Per Sample ) And Baking Of Coil Assembly ( Variable Base Date 01.07.22 ) , Hv Bushing 33 / 37.5 Kv , Lv Bushing 11 Kv , Hv Bushing Metal Parts , Lv Bushing Metal Parts , Set Of Gaskets ( Rubberized Cork ) , Silicagel Breather With Fresh Silicagel , Magnetic Type Oil Level Gauge With Low Level Alarm Contact , Tapping Switch 33 / 37.5 Kv Complete With Handle , Tapping Switch Handle , Oil Drainvalve Incorporating Sampling Device ( With Narrow Orifice ) & Having Suitable Arrangement For Locking , Filter Valve , Dial Type Thermometer Of Minimum 150 Mm Dia With Maximum Temperature Indicator Complete With Resetting Device And Alarm Contacts , Double Float Bucholz Relay Complete With Alarm And Trip Contacts , Air Release Plug , Replacement Of Damaged Core , Pair Of Arcing Horns , Radiator Valve , Replacement Of Un Repairable Radiator Of Equivelent Size With Equal Fins. , Overhauling Of Oltc , Replacement Of Oltc Contact , Replacement Of Oltc Terminal Barrier Board , Replacement Of Gaskets, Lubrication Of Mechanical System , M. S. Clamping Ring , Winding Temperature Indicator ( Complete Set ) , Fresh Transformer Oil Of Standard Quality As Per Is:335 / 83 And Latest Amendment Thereof. ( Variable Base Date 01.07.22 ) , Sundry Item Viz Cover Bolt, Plug, Caps, Screw, Washers, Insulation Material, Minor Repairs Of Tank, Other Parts Required If Any, Aluminium Name Plate Etc. , Painting Inside & Outside Of Transformer Including Radiator Tubes Concervatorwith Suitable Primer And Two Coats Of Suitable Paint Of Grey Colour And Marking Etc. , Burnt / Damaged Leg Coils To Be Retained By The Contractor ( Variable Base Date 01.07.22 ) , Damaged Metal Parts Of Bushing To Be Retained By Contractor , Transportation / Carriage Charges , Upto 10 Kms. , Above 10 Kms. To 25 Kms. , Above 25 Kms. To 50 Kms. , Above 50 Km. To 100 Kms. , Above 100 Kms. To 150 Kms. , Above 150 Kms. To 200 Kms. , Above 200 Kms. But Upto 300 Kms.
