Repairing/Rewinding of 150 KVA, 3.3 KV/550V, Crompton Parkinson make Power Transformer, SI no -1844 of Ranipur Colliery (Filter Plant) under Parbelia Group of Mines used for domestic water supply (b) Repairing/Rewinding of 250 KVA, 3.3 KV/550V, GEC m

Amount

Items Description

Repairing/Rewinding of 150 KVA, 3.3 KV/550V, Crompton Parkinson make Power Transformer, SI no -1844 of Ranipur Colliery (Filter Plant) under Parbelia Group of Mines used for domestic water supply

Removing of Top caver, Inspection cover, conservator, top cores and dismantling burnt winding colls and carbonized core.

Dismantling of core structure, cleaning and de-carbonzing of core structure dry out and re-assembling of core.

Cost new copper conductor -78Kg

Cost of insulating materials for TPC for both Primary & Secondary coll

Decarburizing & Cleaning of old balanced existing copper conductor for secondary side 3 LImb

Wooden forma for making Primary & Secondary coils.

Insulating materials (Prespun board, leather paper, tapes and varnish etc.)

Pressure lock chip for coil locking

Reformation of Primary & Secondary coll as per sample

De-carbonizing, cleaning of top core, channel, tank cooling tubes etc.

Re-assembling of both reformed Primary and Secondary coils, top core setting, channel fixing, oil duct, making connections etc.

Cost of brazing rod EUTEC 1405 for Primary and Secondary colls.

Cost of neoprene synthetic gasket for top cover, inspection cover & Insulators.

Painting of transformer

Filtration of Transformer oil

Labour Cost / Heating, baking of Transformer at Heat chamber then box up and internal Primary & Secondary connections.

Less Scrap value -78

Overhead cost & others @10%

Add Transporting Cost up & down.

Add CMPE/EPF

Add: Bonus 8.33%

Add: Pension @ 7%

Repairing/Rewinding of 250 KVA, 3.3 KV/550V, GEC make power Transformer of Ranipur Colliery (River Side) under Parbelia Group of Mines used for domestic water supply

Removing of Top cover, Inspection cover, conservator, top cores and dismantling burnt winding coils and carbonized core.

Dismantling of core structure, cleaning and de-carbonizing of core structure dry out and re-assembling of core.

Cost new copper conductor -88Kg

Cost of Insulating materials for TPC for both Primary & Secondary coil

Decarbonizing & Cleaning of old balanced existing copper conductor for secondary side 3 limpb

Wooden forma for making Primary & Secondary colls.

Insulating materials (Prespun board, leather paper, tapes and varnish

Pressure lock chip for coil

Reformation of Primary & Secondary coll as per sample

De-carbonizing. cleaning.of top core, channel, tank cooling tubes etc.

Re-assembling of both reformed Primary and Secondary colls, top core setting, channel Axing, oll duct, making connections etc.

Cost of brazing rod EUTEC 1405 for Primary and Secondary colls.

Cost of neoprene synthetic gasket for top cover, inspection cover & Insulators.

Painting of transformer

Filtration of Transformer oil

Labour Cost / Heating, baking of Transformer at Heat chamber then box up and internal Primary & Secondary connections.

Less Scrap value -88Kg

Overhead cost & others @10%

Add Transporting Cost up & down.

CMPF/EPF , Bonus & Pension (12% + 8.33%+7%)=27.33% on labour charges.

Repairing of 315 KVA, 3.3 KV/550 Volt, A/Y make, TSU, Air Cooled Transformer of dewatering/pumping of mine water at west section of Parbelia Colliery under Sodepur Area.

Removing of top cover and taken out core and winding.

Dismantling of core & winding after de-brazing of Primary & Secondary connection and removing the colls the core, deaning, de-carbonizing, dry out and varnishing.

Cost new copper-105Kg

Cleaning and decarburizing of old balance exiting copper strip

Re-insulating of Primary & Secondary copper strip by D.G.C. and F-50 varnish

Reformation of Disc coil Pri & Sec

Glass fiber separator In between every layer of Primary and secondary coils

Varnishing, Heating and baking of Transformer.

Providing Molded Bush Insulator for Primary & Secondary side

Body bolt and nuts, washer, etc. changing.

Labour charges / Assembling (Fixing of Primary & Secondary colls in the core structure, fixing of core channel, making of primary & secondary

Less Scrap value -105Kg

Overhead cost & others @10%

CMPF/EPF , Bonus & Pension (12% + 8.33%+7%)=27.33% on labour charges.

Add Transporting Cost up & down.

Total impact of GST for the purpose of CTC

S.M. TRADERS (BID ID -1142782)

moon light (BID ID -1143404)