Rate Contract for Repairing of failed / damaged / Distribution Transformers having CRGO Core (STACK/WOUND/DRY/PAT/SDT) and Amorphous Core of various ratings on item wise rates including internal parts and external parts per unit rate basis repairing unit should be under PGVCL Jurisdiction or outside PGVCL.

The schedule - A of prices is attached as under.

SCHEDULE-A (PGVCL-2026)

ITEM-WISE RATE FOR REPAIRING OF DAMAGED 11/22 KV, 5 to 500 KVA CRGO

(STACK/WOUND/DRY/PAT/SDT) & Amorphous DIST. TRANSFORMERS

Rates per unit-in Rs. (excluding GST)

SR. 10 & 50, above

NATURE OF WORK TO BE CARRIED OUT Unit 25

Labour charge only: Loading & unloading

of transformer, draining out oil, opening

bolt-nuts of top cover, un tanking of the

active part, disconnecting of leads,

removal of top cover, removal of core

yoke and windings, and re-assembly of

1a the same, dismantling of bushings & Job 1347 1571 2020 2020 2020

metal parts & other fittings on cover or

tank and re-fitting of the same, tanking of

the active part, bolting of top cover. This

does not include any material or other

consumable charge except labour charge.

Replacement of top cover gasket, oil

gauge gasket, air plug gasket, oil cap

1b gasket, breather cap, thermometer No. 28 39 45 45 45

pocket cap, explosion vent flat gaskets

Replacement of HV/LV rod gaskets, viz

1c Flat gasket, D bush, cone bush rod 20 28 33 33 33

Replacement of insulation : core-LV wrap,

LV-HV wrap, phase barriers, yoke-channel

1d barrier, wedges, inter coil spacers, top- Job 113 224 280 280 280

bottom blocks, main lead insulation,

interlayer insulation of LV-HV coils etc.

Replacement of M.S. bolt-nuts: viz top lid

bolts, HV bushing studs, oil gauge studs,

conservator bolts, explosion vent bolts &

Drying of active part by ovening for 48 to

72 hours at 90-100°C temperature for

1f removal of moisture of the repaired Job 134 179 224 224 224

NATURE OF WORK TO BE CARRIED OUT Unit Rates per unit-in Rs.

Signature of Tenderer: Company’s Round Seal:

Date: Place: Page 1 of

TENDER NO. PGVCL/TECH/TRANSFORMER REPAIRING/2026-28/33

2 Outside painting of the tank : No.

a) Cleaning dirty tank outside surface &

preparing the outer surface for painting.

b) Spray painting by synthetic enamel

3 Inside painting of tank No. 113 134 153 153 153

4 Replacement of valve (Gun metal brass)

Replacement of glass of oil level gauge,

Replacement of breather dully charged,

Replacement of tap changing switch,

Replacement of HT bushing porcelain, per

Replacement of HT bushing porcelain, per

A. Replacement of HT Metal parts

complete per piece, brass metal parts

B. Providing HV connectors for cable

10 Replacement of LT bushing porcelain No. 59 59 59 59 59

A. Replacement of LT Metal parts

B. Providing LV connectors for cable

Original coils are not missing and damaged coils will

Cost of replacement of HT coils Rate per

12A not be returned to the DISCOM as quoted rates are net

of the salvage value

a) Copper coil rate per kg Without S.E. Kg 350 350 350 350 350

a-1) Copper coil rate per kg With S.E. Kg 399 399 399 399 399

b) Aluminium coil rate per kg Without S.E. Kg 160 160 160 160 160

b-1) Aluminium coil rate per kg With S.E. Kg 209 209 209 209 209

12B -do but original coils are missing

a) Copper coil rate per kg Without S.E. Kg 509 509 509 509 509

a-1) Copper coil rate per kg With S.E. Kg 558 558 558 558 558

b) Aluminium coil rate per kg Without S.E. Kg 215 215 215 215 215

b-1) Aluminium coil rate per kg With S.E. Kg 264 264 264 264 264

12C Labour charge for HV coil Winding :

a) Copper coil rate per kg Kg 11 11 11 11 11

b) Aluminium coil rate per kg Kg 33 33 33 33 33

NATURE OF WORK TO BE CARRIED OUT Rates per unit-in Rs.

Signature of Tenderer: Company’s Round Seal:

Date: Place: Page 2 of

TENDER NO. PGVCL/TECH/TRANSFORMER REPAIRING/2026-28/33

Original coils are not missing and damaged coils will

13A Cost of replacement of LT coil rate per kg not be returned to the DISCOM as quoted rates are net

of the salvage value

a) Copper coil rate per kg Without S.E. Kg 308 308 308 308 308

a-1) Copper coil rate per kg With S.E. Kg 357 357 357 357 357

b) Aluminium coil rate per kg Without S.E. Kg 146 146 146 146 146

b-1) Aluminium coil rate per kg With S.E. Kg 195 195 195 195 195

13B -do but original coils are missing

a) Copper coil rate per kg Without S.E. Kg 481 481 481 481 481

a-1) Copper coil rate per kg With S.E. Kg 530 530 530 530 530

b) Aluminium coil rate per kg Without S.E. Kg 201 201 201 201 201

b-1) Aluminium coil rate per kg With S.E. Kg 250 250 250 250 250

13C Labor charge for LV coil Winding :

a) Copper coil rate per kg Kg 17 17 17 17 17

b) Aluminium coil rate per kg Kg 51 51 51 51 51

Re-insulation of LV coils with existing

conductor (Where ever it is intact but

using new insulating material for all type

of LV coils rate per kg)

i) Copper Kg. 99 99 99 99 99

ii) Aluminium Kg. 113 113 113 113 113

15 Insulation Washer ring for coils No 53 53 53 53 53

16 Rating Plate charge for WNP transformer No 140 140 140 140 140

Extra payment for conversion of sealed

transformer into bolted type transformer

18a Tank replacement charge Kg 53 53 53 53 53

18b Conservator tank replacement charge Kg 53 53 53 53 53

19 Testing of Transformer No 113 113 169 169 169

Replacement of radiator, Rate per

Overhauling of transformer including

outside cleaning and painting. (Physical

damages will be charged extra as above

Signature of Tenderer: Company’s Round Seal:

Date: Place: Page 3 of

TENDER NO. PGVCL/TECH/TRANSFORMER REPAIRING/2026-28/33

 Rates quoted by Bidder have to be on percentage above/below/at par the estimated rates

 The rates quoted by bidder will be exclusive of GST. Any escalation in rate of GST during

the tenure of the contract will be paid by PGVCL as part of statutory variation on production

 Above rates quoted are net of the salvage value.

For CRGO / Amorphous Core Transformers

In Figures ……. % Above /below/at par the estimated rate of PGVCL

In Words ……………….. Above/below/ at par the estimated rate of PGVCL

CHIEF ENGINEER (Tech)

Signature of Tenderer: Company’s Round Seal:

Date: Place: Page 4 of

TENDER NO. PGVCL/TECH/TRANSFORMER REPAIRING/2026-28/33

Rate for Overhauling of the transformer

Rate for Overhauling of the transformer

(11 KV / 22 KV) RATE IN RS.

Overhauling of complete transformer:

During overhauling, following works are required to be No 21 of

Each Transformer Schedule-A

Overhauling charges shall be paid for below works

which includes the opening &closing/refitting of

transformer including minor repairing works and

loading &unloading of Transformers, repairing of Tanks

& radiators by welding to stop leakage of oil,

replacement of burnt /damaged external parts like

bushing/ nut-bolts /breather if any with Dismantling

of bushing replacement of all the old gaskets by new

opening welding of top cover plate if necessary un-

tanking of the winding, removal of the core plate

assembly and reassembly of the same including

replacement of all types of insulations whenever

necessary replacement of diaphragm of explosion vent,

testing of the same, Cleaning of transformer tank,

removal of sludge, filtration of transformer oil,

Strengthening / brazing of joints of winding,

Fitting/tightening of internal joints at the HV/LV

bushing, Internal painting of transformer, Drying of

the active parts of the transformer to ensure proper IR

value as mentioned herein , fixing of name plates and

as per conditions wherever mentioned in this tender.

 Rates quoted by Bidder have to be on percentage above/below/at par the estimated rates

 The rates quoted by bidder will be exclusive of GST. Any escalation in rate of GST during

the tenure of the contract will be paid by PGVCL as part of statutory variation on production

 Above rates quoted are net of the salvage value.

Signature of Tenderer: Company’s Round Seal:

Date: Place: Page 5 of