Repairing, rewinding and installation of 2 MVA 6.6 kV/ 11 kV power transformer, 225 kW 6.6 kV 3 phase induction motor and 365 kW 6.6 kV 3 phase induction motor in Khottadih Colliery.

Amount

Repairing/Rewinding of 365KW, 6.6KV, 3 Phase Induction Motor Sl. No. 3931213 for MMV of Khottadih Project. (Inclusive of EPF/CMPF)

Supply of New Electrolyte grade Super Enameled copper strips of size 7.8x1.55mm.

Supply of Glass Mica Polyester(GMP) trape size of 0.13x25mm

Supply of Nomex paper for Starter core Insulation of Thickness 7 mill.

Supply of Varnish.(Elmo65ER).

Supply of Thinner.(205)

Supply of single core HT XLPE 70 sq.mm Copper Cable.

Taking out the coils from the stator.

Labor Charges for formation of coil with the converted DFGC copper conductor inserting the stator coil.

Labor Charges for inter layer insulation of the coils to be done with kafton tape.

Labor charges for insulation of overhung portion of the coils with GMP&GM tape.

Moulding the coils with mica thermo and mica foilium by taking.

Inserting the coils into the core slots in chronological manner.

Suppky nd Fixing of silicon base glass wedges,Size- 3mmx6.7mmx288mm

Cost of fabrication of both side bearing housing by metalizing & machining as per bearing size.

Dynamic balancing of the Rotor.

Final Assembly of complete motor with all dismantled parts after proper baking & pre delivery testing.

Transportation charges.

Less Scrap Value

PF/EPF

Repairing/Rewinding of 225KW, 6.6 KV, 3 Phase Induction Motor Sl. No. 3FF660791/5, Make : Marathon of Khottadih Project under Pandaveswar Area. (Inclusive of EPF/CMPF)

Supply of New Electrolyte grade Super Enameled copper strips of size 7.8x1.55mm.

Supply of Glass Mica Polyester(GMP) trape size of 0.13x25mm

Supply of Nomex paper for Starter core Insulation of Thickness 7 mill.

Supply of Varnish.(Elmo65ER).

Supply of Thinner.(205)

Supply of single core HT XLPE 70 sq.mm Copper Cable.

Taking out the coils from the stator.

Labor Charges for formation of coil with the converted DFGC copper conductor inserting the stator coil.

Labor Charges for inter layer insulation of the coils to be done with kafton tape.

Labor charges for insulation of overhung portion of the coils with GMP & GM tape.

Moulding the coils with mica thermo and mica foilium by taking.

Inserting the coils into the core slots in chronological manner.

Supply & Fixing of silicon base glass wedges. (Size- 3mm x 6.7mm x 288mm)

Cost of fabrication of both side bearing housing by metalizing & machining as per bearing size.

Dynamic balancing of the Rotor.

Final Assembly of complete motor with all dismantled parts after proper baking & pre delivery testing.

Transportation charges.

Less Scrap Value

PF/EPF

Complete Repairing & rewinding & Installation of B.S.I.D.S. Electrical Equipment make 2 MVA, 6.6 KV/11KV Power Transformer Sl. No. 4015073 of 33KV Surface substation. (Inclusive of EPF/CMPF)

Dismantling of Core & Winding from the transformer tank & cleaning of all parts of the transformer properly.

Cost of Copper conductor for Primary coils

Insulation of conductor for primary coils (New copper strip 620 Kg) & Secondary coil (Existing old copper strip 490 Kg) by double coated manila paper.

Repairing of oil leakage from transformer tank & radiator fings.

De-hydration & filtration of Transformer Oil to improve Di-electric strength.

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

Cost of Insulating materials, varnishing, pre compress paper board, oil duct, cotton tape webbing tape etc.

Reformation of Primary & Secondary coil.

Fitting of core channel, Primary & Secondary Coils & winding into the transformer tank.

Providing neoprene gasket for all the joints of every parts such as top cover, inspection cover, insulator, cooling fings etc.

Testing of the transformer and complete the entire job.

Painting the outer body of the transformer by one coat of primmer and two coat of metallic paints including supply of missing nuts & bolts etc & tank welding & repairing.

Transportation charges Up & down, loading, unloading charges.

Installation of 2 MVA 6.6KV/11 KV Transformer at site, (Khottadih Colliery) which includes placement of Transformer, pre-commissioning Testing & energies.(Crane will be provide by ECL free of cost) Details of Pre-Commissioning Testing of Transformer;- i. Insulation resistances Test. ii. High Voltage Pressure Test. iii. Vector group Test. iv. Magnetic Balance Test. v. Voltage ratio on all tap position. vi. Di-electric strength of Transformer Oil.

Less old unused copper conductor

PF/EPF

Total impact of GST for the purpose of CTC

ELECTRO TRADING CO. (BID ID -1125596)

MAZUMDER ELECTRICAL (BID ID -1126248)