Annual Rate Contract for Maintenance of Transformers under Jambusar Rural Sub Division under Bharuch Rural Division

Name Of Work: Maintenane of various capacity transformers at various locations of sub

divisions under Bharuch Rural Division.

Sr.No. Description Unit Total

Labour charge for providing of HT/LT bushing goti if

1.1 Replacement of LT bushing Goti/Rubber washer No. 40

1.2 Replacement of HT bushing goti/Rubber washer No. 40

Providing of half stud on LT side up to 1OO KVA TR,

Providing of AL. Patta on LT side up to 200KVA TR

Providing of AL. Patta on LT side up to 500 KVA

Check and Tight earth connection, if required

provide lugs & nut-bolt to the neutral terminal of

TRF and to the body terminal of TRF and dist box

Replacement of damage LT cable with new one of

right capacity(cable to be provided by DGVCL)

Providing a new termination in form of R,Y,B

7 and N core including PVC Tape(Lug Make

7.1 Termination of 25/50/70 Sq mm cable No. 8 20

7.2 Termination of 300 Sq mm cable No. 45 20

7.3 Termination of 150 Sq mm cable No. 16 20

7.4 Termination of 185 Sq mm cable No. 23 20

7.5 Termination of 240 Sq. mm cable No. 32 20

Measurement of Voltage and Ampere during

8 maximum load period minimum 10 nos of T/C per 150

Check Oil leakage from drain off valve/gasket/tank

leak etc. and if leakage found at attend by providing

9 adhesive material, m-seal and give detail of leakage No. 150

and Topping of oil to maintain proper oil level (oil to

be provided by DGVCL)

Checking and Replacement of LT Distribution

Box if Required

Fixing of NEW LT Dist Box with complete wiring

including Nut Bolt Clamp etc. if required.

Replacement of deteriorated /providing LT dist. Box

10.2 with new up to 100KVA capacity & crediting it to No. 3900 1061

Replacement of deteriorated /providing LT dist. Box

10.3 with new above 100KVA capacity & crediting it to No. 3900

File No: DGVCLDBHR/TEN/e-file/4444/2026/2649/Technical

Approved By: Executive Engineer,Technical,DGVCLDBHR

Letter No: DGVCLDBHR/0414/08/2026 Approved Date: 29-08-2026 04:44

Checking and Replacement of Kit-Ket fuse if

11 required. (Kit-Ket fuse to be provided by

11.1 100 amp Kit-Ket fuse No. 850 20

11.2 200 amp Kit-Ket fuse No. 950 20

Checking and Replacement of HRC fuse base if

required. (HRC fuse base to be provided by

contractor of std. make with type test

certificate required)

12.1 630 amp HRC fuse base 682 50

12.2 400 amp HRC fuse base 525 50

12.3 250 amp HRC fuse base 370 50

Checking and Replacement of HRC fuse bridge

13 if required. (HRC fuse bridge to be provided by

contractor with type test certificate required)

13.1 630 amp HRC fuse No. 690

13.2 400 amp HRC fuse No. 490

13.3 250 amp HRC fuse No. 352

Providing of proper size of fuse element on HT side

(on D.O. fuse with cleaning of horns)

Providing and replacement of sundry Items like nut,

bolt, washer etc. of appropriate size

General Condition

clean off all dirt etc. from the body of the

transformer and tighten all nut-bolt etc.

Clamping of LT cable as per instruction of in charge

Cleaning of surrounding area nearby transformer

center, trimming of tree branches, removing of

Submission of the all activity done at location wise

in prescribed Performa format with signature of in

charge of supervisor and contractor

Providing of Breather if not available with

transformer (Breather to be Provided by DGVCL)

Providing of Insulated jumper at HT side from D.O.

fuse outside to TC .all 3 nos. (Jumper wire will be

Provided by DGVCL)

Meggar value taken (1) HV TO BODY (2) LV TO

BODY (3) HV TO LV

TC Maintenance digital data submitted as per

instruction of Engineer in charge.

LT Side Brass Half stud with 2 no brass nut&

washer of size 12 mm

LT Side Brass Half stud with 2 no brass nut&

washer of size 20 mm

18 LT Side Brass Nuts and Washer

18.1 12 mm Brass LT Side nuts No 16 12

18.2 20 mm Brass LT Side nuts No 41 12

18.3 30 mm Brass LT Side nuts No 68 12

18.4 12 mm Brass LT Side washer No 10 12

18.5 20 mm Brass LT Side washer No 18 12

18.6 30 mm Brass LT Side washer No 20 12

Breather plastic transparent body cast metal cap

19.1 and bottom, ½” thread pipe, 250 grams. (Dry gel No 277 55

weight 250 grams)

Breather plastic transparent body cast metal cap

19.2 and bottom, ½” thread pipe, 500 grams. (Dry gel No 455 55

weight 500 grams)

File No: DGVCLDBHR/TEN/e-file/4444/2026/2649/Technical

Approved By: Executive Engineer,Technical,DGVCLDBHR

Letter No: DGVCLDBHR/0414/08/2026 Approved Date: 29-08-2026 04:44

Supply and Installation of 11/22KV Distribution

Transformer HT Terminal protector (UV Resistance) Per

with using 95/120/150 sqmm long barrel aluminum TC

lugs (1 Set=3 Nos i.e. R, Y, B Terminal)

Supply and Installation of HT ERP Tape on 11/22KV

Distribution Transformer with replacement of bare

conductor by HT ABC Conductor (DO Bottom side to

21 Transformer Terminal) after removal of 1800

semiconductor of HT ABC (6 inch Both Side). HT

ABC will be supplied by DGVCL. (1 Set=3 Nos i.e. R,

Supply and fixing of upto 33KV Conductor sleeve for

Bus-Bar to Drop out fuse (DO Fuse) and Drop out

fuse (DO Fuse) to Transformer HT terminals

including Bus-Bar (12mm Sleeve) as per technical

specification. (All material will be supplied by

Supply and fixing of Disc Type Red Colour FRP

(Non-Flammable) material with weather resistant,

23 Non-Conductive Bird Guard OD=300mm, ID=33mm, No. 80

Width=1.25mm, one side cut from OD to ID. (All

material will be supplied by Agency)

Supply, Installation, Testing and Commissioning of

Maintenance Free, Ready Capsule, Pipe-In Cage

(Pic) Type, Earth Electrodes for HT Feeder Pole

Having 2000 mm Electrode Length as per the

Annexture-2 and Drawing GPRD 16 AND 17. (All

Materials Will Be Supplied By Agency)

Supply, Installation, Testing and Commissioning of

Maintenance Free, Ready Capsule, Pipe-In Cage

(Pic) Type, Earth Electrodes for HT Feeder Pole

Having 3000 mm Electrode Length as per the

Annexture-2 And Drawing GPRD 16 AND 17. (All

Materials Will Be Supplied By Agency)

Supply and Installation of 25 X 3 mm GI Strip having

hot dip- galvanized-zinc coating of 80-100 microns

without any joints or welding. Both the end of the GI

strip should be connected with GI nut bolts and

required fabrication work for giving separate

29 earthing connections to (1) Neutral of the Meter 45

transformer (2) MS structures of the transformer

center (Approximately 25 meter GI strip per

transformer center - as per requirement and

instruction of Engineer in charge) (All Materials will

be supplied by Agency)

Supply and Installation of uPVC standard make Pipe

of 1.25" diameter for covering GI strip with UV

protected Cable Ties of 550 X 7.6 mm size to bind

with pole face(Approximately 25 meter uPVC pipe

for GI strip covering per transformer centre -as per

requirement and instruction of Engineer in-charge.

The contractor has to collect all the required material from DGVCL store as well as credit the

dismantled material to the DGVCL store at their own cost.

2 Whatever steel material removed after replacement should be credited to store.

3 The rates are inclusive of PF and work contract tax and Exclusive of GST.

All the necessary testing certificates of material supplied by the contractor shall be submitted to

this office as per NABL Laboratory.

All the Bills/Invoices are to be submitted through VMS (Vendor Management System) portal

only. Link for the same is : https://vms.guvnl.com/

File No: DGVCLDBHR/TEN/e-file/4444/2026/2649/Technical

Approved By: Executive Engineer,Technical,DGVCLDBHR

Letter No: DGVCLDBHR/0414/08/2026 Approved Date: 29-08-2026 04:44

Executive Engineer (O&M) DGVCL,

BHARUCH RURAL DIVISION

File No: DGVCLDBHR/TEN/e-file/4444/2026/2649/Technical

Approved By: Executive Engineer,Technical,DGVCLDBHR