Work Of Repair Of Damaged / Burnt Power Transformer Of Assorted Ratings 5 Mva , 8 Mva And 10 Mva , 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 . 01 . 21 ) , Lv Leg Coils Complete With Insulation , Vanishing By Vacuum Impregnation ( If Required As Per Sample ) And Baking Of Coil Assembly ( Variable Base Date 01 . 01 . 21 ) , 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 Drain Valve 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 . 01 . 21 ) , 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 Concervator With 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 . 01 . 21 ) , 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 .
