Repairing of Motor, VCB, Drill Panel, TSU under Khottadih Colliery, Pandaveswar Area

Repairing and rewinding of 110 KW , 550 volt, 3ph, 1470 RPM induction motor at Khottadih Colliery. (Inclusive of EPF/CMPF)

Cost of copper superanamel wire (Part - A - Stator)(02 nos 110KW motor)

Cost of insulation require against copper (25% of copper cost) (Part - A - Stator)(02 nos 110KW motor)

Labour cost for insulation(20% of copper cost)(Part - A - Stator)(02 nos 110KW motor)

Cost of striping Motor damaged copper conductor (15% of copper cost)(Part - A - Stator)(02 nos 110KW motor)

Cost of winding of motor (20% of copper cost)(Part - A - Stator)(02 nos 110KW motor)

Miscellaneous cost (15% of copper cost)(Part - A - Stator)(02 nos 110KW motor)

Supply and fitting of N321 no Bearing(Part - A - Stator)(02 nos 110KW motor)

Supply and fitting of 6321 no Bearing(Part - A - Stator)(02 nos 110KW motor)

less scrap value(Part - A - Stator)(02 nos 110KW motor)

Removal of Rotor Bar From Slot (Part - B - Rotor)(02 nos 110KW motor)

Cost of Electrolyte copper bar (Part - B - Rotor)(02 nos 110KW motor)

Copper bar machning as per slot diamension (Part - B - Rotor)(02 nos 110KW motor)

Inserting new Copper bar into slot (Part - B - Rotor)(02 nos 110KW motor)

Repairing of bearing journal at rotor shaft (Part - B - Rotor)(02 nos 110KW motor)

Cost of repairing of rotor ring and its re-conection (Part - B - Rotor)(02 nos 110KW motor)

less scrap value(Part - B - Rotor)(02 nos 110KW motor)

OH & Profit @ 10%(02 nos 110KW motor)

Transpotation & Handling charge(02 nos 110KW motor)

Repairing & Rewinding of 400 kva ,3 ph, 6.6kv/550V Andrew Yule make Transwitch unit Sl.No- 006 at Khottadih Colliery. (Inclusive of EPF/CMPF)

Dismantaning of core & winding from transformer tank

Supply of new electrolyte grade 210/95 swg copper strips for primary coils

Cleaning of 360/290 no swg copper strips of secondry coils with removel of old insulation.

Re-insulation cost of primary & secondry coils with removal of old insulation.

Supply of f-class insulation materials such as glass fiber board face separatore, oil duct etc.

Re-formation of primary and secondry coils (borral type).

Cost of E-poxy moulded 3.4/11 inch bushing insulator with current carrying contects for primary 6.6kv grade

Supply of wooden forma for formation of primary and secondary coils size- 40/11/9

Supply of ELMO LUFT 1A – FD class varnish

Supply of 234 SDS thinner

Re-assembly of new coil with inter connetion with copper blazzing , backing /heating properly to improve IR value upto requires level.

Repairing of tap changer switch.

Testing charge of Transformer

Painting of inner side of transformer by red oxide anti corrosive red oxide (paint & 2coat of metallice paints (Gray )

Less old unused copper stripes burnt primary coil

OH & Profit 10%

Transporting Cost Including Loading & Unloading

Compelete Repairing of 150 Amp 6.6KV Andrew Yule Make FLP VCB at Khottadih Colliery. (Inclusive of EPF/CMPF)

Supply of PVC sleeved copper busbar

Supply of ON-Off Rev isolator

Supply of vaccuum interrupter

Supply of Epoxy cast

Supply of HT HRC fuse

Supply of Motor protection relay

Supply of glass insulated copper35 sqmm

Supply of ameter 0-200A/0-100A

Supply of voltmeter 0-200A/0-100A

Supply of epoxy cast current transformer

Supply of Aux contractor unit

Supply of indicating lamp

Supply of earth leakage relay with CBCT

Supply of push button with contect block

Complete auxiliary wiring with 1.5 sqrmm

Hardware materilas (nuts washer bolts)

Cleaning & painting charges)

Labour Charge

Transporting Charge

OH & profit @ 10%

Repairing of primary side 6.6KV 1.1 KV/550V 300 Amp Mine Line Make TSU. (Inclusive of EPF/CMPF)

Vaccum Interrupter

Auxiliary switch 6 no/6NC

Bus bar supporting insulator for VCB

Auxiliary contractor

Limit switch 2NO/2NC

Pilot relay 200 ahm (12v/AC 8 pin)

Potentials transformer 6.62220-110VA 300 1PH

Numerical over current relay

Current transformer (400/5) 10VA

Ammeter(CTR -400/5A)

Voltmeter (PTR -6.6KV 110V)

Compelte servicing of VCB along of above supplied materials

Painting charges

OH & Profit @ 10%

PF @ 12.72 % on labour cost

Repairing of Secondary side 1.1 KV/550V 300 Amp Mine Line Make TSU. (Inclusive of EPF/CMPF)

Supply of fitting fail safe relay system

Supply of earth leakage 110v AC (50ma-750MA)

Core balance current transformer

Supply and fitting of PT

Supply and fitting of CT

Supply and fitting of voltmeter switch 10A, 550v AC

96 sqr mm ammeter

Indication lamp

Auxiliary contractor

Push Buttom for Earth leakage relay test

Push Buttom for Earth leakage relay reset switch

Volt meter 2.5 inch

wiring cable 1.5 sqr mm

Wiring Terminal

Wiring Channel

Complete servicing of VCB along with fitting and testing of above supplied materilas

Painting Charges

OH & Profit @ 10%

PF @ 12.72 % on labour cost

Repairing & Rewinding of 750KVA, 3.3kv/550V Andrew yule make transwitch sl. No. T1BB/423. (Inclusive of EPF/CMPF)

Dismantaning of core & winding from transformer tank

Supply of new electrolyte grade copper strips for primary coils

Cleaning of copper strips of secondry coils with removel of old insulation.

Re-insulation cost of primary & secondry coils with removal of old insulation.

Supply of f-class insulation materials such as glass fiber board face separatore, oil duct etc.

Re-formation of primary and secondry coils (borral type).

Supply of F-class varnish

Supply of thinner

Re-assembly of new coil with inter connetion with copper blazzing , backing /heating properly to improve IR value upto requires level.

Repairing of tap changer switch.

Testing charges of transformer

Less old unused copper stripes burnt primary coil

OH & Profit @ 10%

Transportation & handling Charges.

Repairing of 2.5KVA, 550V/440V Volga make Drill panel. (Inclusive of EPF/CMPF)

Compelete repairing of transformer coil

Supply & fitting of Terminal insulator

Supply & fitting of Contractor Unit

Supply & fitting of Thermal Overload

Supply and fitting of earth leakage

Supply 7 fit of terminal overload

Supply & fixing of Fuse with carrier

Supply and fixing of Lamp holder

Supply and fixing of wiring wire

Supply and fixing of isolator

Repairing cost

OH & Profit

Repairing & Rewinding of 5.5KW, 415V, 3ph 2900 RPM KE make Motor Sl no. A3AOCG0155(Inclusive of EPF/CMPF)

Cost of super copper enamel wire( Size - 21 no SWG)

Cost of insulation require against copper (25% of copper cost)

Labour cost for insulation(15% of copper cost)

Cost of striping Motor damaged copper conductor (15% of copper cost)

Cost of winding of motor (20% of copper cost)

Miscellaneous cost (15% of cost of copper)

less scrap value

OH & Profit @ 10%

Repairing & Rewinding of 110KW,550V,3ph 1475 RPM Kirloskar make Motor sl no. 29303013, M-01/51. (Inclusive of EPF/CMPF)

Cost of copper superanamel wire

Cost of insulation require against copper (25% of copper cost)

Labour cost for insulation(20% of copper cost)

Cost of striping Motor damaged copper conductor (15% of copper cost)

Cost of winding of motor (20% of copper cost)

Miscellaneous cost (15% of copper cost)

Supply of N321 no Bearing

Fitting of N321 no bearing

Supply of 6321 no Bearing

fitting of 6321 no bearing

less scrap value

OH & Profit @ 10%

Transpotation charge (Up & Down)

Total impact of GST for the purpose of CTC

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