Repair and Re-conditioning of failed 1x5MVA Power Transformer (TCC Pvt. Ltd. make) of 33/11KV Parkala sub-station of Manipal Sub-division, Udupi Division.

Material Portion

Providing new transil oil to Power Transformer 10% of the Weight of oil - 3000kgs = 300 i.e due to wastage of oil during handling

Providing new winding in place of damaged winding including cost of materials and drying etc. Damaged winding to be retained by the repairer (refer BOQ for more details)

Providing solid insulation materials for replacement of damaged or burnt insulation as per actual weight for all the 3 limbs

Providing new CRGO lamination to the core in place of damaged lamination wherever necessary taking into account of released CRGO which has to be retained by the repairer (refer BOQ for more details)

Loading of faulty power transformer main tank with active parts, with oil and loading of Transformer accessories (refer BOQ for more details)

Transportation of faulty power transformer main tank with oil along with accessories from 33/11kV Parkala Sub-station to repairer's premises (refer BOQ for more details) - Upto 250 km (charges are sub...

Transportation of faulty power transformer main tank with oil along with accessories from 33/11kV Parkala Sub-station to repairer's premises (refer BOQ for more details) - Greater than 250 km (charges...

Unloading of the faulty power transformer tank with active parts and accessories at repairer's worksite.

Draining out oil from the Power Transformer complete duly collecting the oil in barrels (supplied by MESCOM) and shifting barrels to safe place with proper tightness of lid to avoid moisture

Dismantling faulty transformer for joint inspection at repairer's premises including all activities such as opening of top cover, de-tanking of core and winding, separation of HV/LV coils, conducting ...

Re-assembly of Core and winding with new solid insulation.

Cleaning, repairing and painting inside the transformer tank with hot oil bath and acid proof epoxy paint and painting outside the tank with enamel paint after thorough cleaning including the cost of ...

Drying out the assembly of core and winding in oven/vacuum chamber, till the specified insulation resistance values are obtained as per IS (including cost of material and labour).

Tanking the assembly, giving connection, providing new gaskets and insulating materials conforming to relevant IS, putting back the cover, tightening the fixtures, fixing the bushing etc, brazing of l...

Reconditioning of accessories such as radiators by hot air circulation,Conservator, Marshalling Box, WTI, OTI and repairs to other accessories wherever necessary.

Filling of oil to the main tank and OLTC tank filtering the oil including filtering till attainment of prescribed BDV valves including labour, filtering equipment along with accessories. The minimum B...

Loading of repaired good transformer tank with active parts and accessories at repairer's premises

Transportation of faulty power transformer main tank with oil along with accessories from repairer's premises to destination Sub-Station of MESCOM (refer BOQ for more details) - Upto 250 km (charge...

Transportation of faulty power transformer main tank with oil along with accessories from repairer's premises to destination Sub-Station of MESCOM (refer BOQ for more details) - Greater than 250 km ...

Unloading and assembly of the repaired power transformer tank with active parts and all accessories at the destination station of MESCOM

Labour for providing new winding in place of damaged winding

Labour for providing solid insulation materials for replacement of all the 3 limbs

Labour for providing new CRGO lamination to the core in place of damaged lamination wherever necessary

Transit Risk insurance- Two Way (to & Fro) (refer BOQ for more details)

Testing Portion

Testing the transformer for routine tests as per IS 2026-1983 in presence of MESCOM Staff at repairer's premises (refer BOQ for more details)