Complete repairing, re-winding of 1000 KVA, 11KV/3.3 KV, 3 Ph, Marson make oil cooled power transformer Sl. No. 8583 of Gourangdi (A) Colliery under Salanpur Area.

Dismantling of core & winding from the Transformer tank & cleaning of all Parts of the Transformer properly.

Supply of new Electrolyte grade copper conductor for primary coil.

Supply of new electrolyte grade copper conduuctor for secondary coil

Insulation of bare Cu. Conductor for primary & secondary by double coated manila paper

Formation of coil after rewinding of primary & secondary coil including supply of required insulation materials.

Cost of insulating materials,varnish,pre-compress board paper,oil duct ,cotton tape webbing tape etc.

Cost of wooden forma for formation of primary & secondary coil

Providing neoprene gasket of top cover,inspection cover,insulator etc

Cost of brazing with supply of rupaton rod ,oxygen,DA for brazing of all the primary & secondary connections

Fitting of core channel,primary & secondary coil & windin into the transformer tank

Supply and fixing of tap changer switch including mechanism arrangement & alignment with Transformer Tank

Testing of Transformer

De-hydration and filtration of Transformer oil

Transportation cost both way & handling charges.

Installation of 1 MVA 11KV/3.3 KV Transformer at site,(Gourangdi (A) Colliery) which includes placement of Transformer, pre commissioning Testing & energise.(Crane will be provided by ECL free of cost) Details of pre commissioning Testing of Transformer:- i Insulation resistance Test, ii)High voltage pressure test, iii)Victor group test. iv)Magnetic Balance Test, V)Voltage ratio on all tap position. vi)Di-electric strength of Transformer oil

Add: Other Expenses

Add: Provident fund on Labour cost

Total impact of GST for the purpose of CTC

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