Repairing/rewinding of 03 nos. 100 KVA, 11kV/440V Power Transformers, and preventive maintenance of 02 nos. 250KVA, 11kV/440V and 01 no. 315KVA, 11kV/440V Power Transformer under S. B. Area.

Item Description/ Heading

Material Cost

Cleaning & decarburizing of secondary coil of the Transformer & insulation by manila paper, as required

Providing of DPC electrolyte grade copper conductor for primary coil, as required.

Formation of coil after re-winding of primary & secondary coil including supply of required materials (Primary coil 125 kg + secondary coil 102 kg), as required.

Cost of pre-compress board for separator & oil duct & placement, as required.

Cost of wooden forma for formation of primary & secondary coil, as required.

100KVA, 11kV/415V Transformer:Replacement of all worn-out gaskets including top cover, terminal bushing etc., as required.

100KVA, 11kV/415V Transformer:Providing and fixing of current carrying contacts for primary side terminals of rated size, as required.

100KVA, 11kV/415V Transformer:Providing and fixing of current carrying contacts for secondary side terminals of rated size, as required.

De-hydration & filtration of transormer oil of 3 nos. 100KVA, 2 nos. 250 KVA & 01 no. 315 KVA.transformers, as required to match the oil's standard di-electric strength.

250KVA & 315KVA 11kV/415V Transformer:Replacement of all worn-out gaskets including top cover, terminal bushing etc., as required.

250KVA & 315KVA 11kV/415V Transformer:Providing and fixing of current carrying contacts for primary side terminals of rated size, as required.

250KVA & 315KVA 11kV/415V TransformerProviding and fixing of current carrying contacts for secondary side terminals of rated size, as required.

Up & Down Transporting with loading & unloading charges, as required.

Providing of insulating materials, as required.

Connection studs with insulator, as required.

Installation & commissioning of 100 KVA, 11kV/440V Transformer on existing position, incl. hiring of lifting equipments, as required to complete the work in all respect.

Transportation charges of oil filter machine set with oil testing machine, as required.

Providing and fiixing of earthing electrodes of 2" dia x 3000 mm long, as required for matching standard earth resistance.

Less:Unused old scrap value.

Labour Cost:

Labour cost for sl.no.1 to sl. No.18, as required to complete the work in all respect.

P. F. amount for labour cost

Total impact of GST for the purpose of CTC

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