Eastern Coalfields Limited Tender

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Eastern Coalfields Limited - ECL Tender

Works
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date31 Jan 2025
Closing Soon10 Feb 2025
Tender Amount₹ 17,23,732 
Notes
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Costs

Description

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BOQ Items

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DO_NOT_SHOW

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

3

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Supply of Varnish.(Elmo65ER).

10

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Supply of Thinner.(205)

5

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

12

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Taking out the coils from the stator.

1

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

1

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

1

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

1

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

1

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Inserting the coils into the core slots in chronological manner.

1

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

1

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

2

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Dynamic balancing of the Rotor.

1

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

1

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Transportation charges.

1

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Less Scrap Value

190

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PF/EPF

1

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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)

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

180

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

30

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

3

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Supply of Varnish.(Elmo65ER).

10

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-

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Supply of Thinner.(205)

5

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

12

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-

... More
Taking out the coils from the stator.

1

-

-

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

1

-

-

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

1

-

-

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

1

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-

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

1

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... More
Inserting the coils into the core slots in chronological manner.

1

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

1

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

2

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-

... More
Dynamic balancing of the Rotor.

1

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-

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

1

-

-

... More
Transportation charges.

1

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Less Scrap Value

153

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PF/EPF

1

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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)

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

1

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Cost of Copper conductor for Primary coils

620

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

1110

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Repairing of oil leakage from transformer tank & radiator fings.

1

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

1440

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

1

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

1

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Reformation of Primary & Secondary coil.

1

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

1

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

1

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Testing of the transformer and complete the entire job.

1

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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.

1

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Transportation charges Up & down, loading, unloading charges.

1

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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.

1

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Less old unused copper conductor

607

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PF/EPF

1

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Total impact of GST for the purpose of CTC

1

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