Tender for ARC for maintenance various capacity of transformer under Mandvi Sub Division.

Tender for ARC for maintenance various capacity of transformer under Mandvi Sub

Sr. No. Description Unit Material Charge (Rs.)

1 Labour charge for providing of HT/LT bushing goti if required No. 0

1.1 Replacement of LT bushing goti/ Rubber washer No.

1.2 Replacement of HT bushing goti/ Rubber washer No.

2 Providing of half stud (Including 2nos Nut & 2nos Washer) on

LT side up to 100 KVA TR if required

3 Providing of AL. Patta on LT side up to 200 KVA TR if required No. 140

4 Providing of AL. Patta on LT side up to 500 KVA TR if required No. 165

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 earth

6 Replacement of damage LT cable with new one of right

capacity (cable provide by DGVCL)

7 Providing a new termination in form of R,Y,B and N core

including PVC Tape(Lug Make 3D/Hex)

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

7.2 Termination of 300 Sq.mm cable No. 45

7.3 Termination of 95/120/150 Sq.mm cable No. 16

7.4 Termination of 185 Sq.mm cable No. 23

7.5 Termination of 240 Sq.mm cable No. 32

8 Measurement of voltage and ampere during maximum load

period minimum 10 nos. of T/C per day Per No.

Check oil leakage from drain off valve/gasket/tank leak etc.

and if leakage found at attend by providing adhesive material,

m-seal and give detail of leakage and topping of oil to

maintain proper oil level (oil provide by DGVCL)

10 Checking and Replacement of LT Dist Box if required.

10.1 Fixing of new dist. Box with complete wiring including clamps,

nut bolts etc. (Suitable for kit kat fuse/ HRC fuse)LT

distribution box must be of SMC material (GTP/SPECS. to be

submitted of OEM) and to be supplied from register vender of

GUVNL and their subsidary company all the testing norms will

be applicable to this material.

10.2 Replacement of detoriarated/ providing LT dist. Box with new

up to 100 KVA capacity & crediting it to store. (Suitable for kit

kat fuse/HRC fuse) LT distribution box must be of SMC

material (GTP/ SPECS. to be submitted of OEM) and to be

supplied from register vender of GUVNL and their subsidary

company. all the testing norms will be applicable to this

10.3 Replacement of detoriarated/ providing LT dist. Box with No. 2207

above 100 KVA capacity & crediting it to store. (Suitable for kit

kat fuse/HRC fuse) LT distribution box must be of SMC

material (GTP/SPECS. to be submitted of OEM) and to be

supplied from register vender of GUVNL and their subsidary

company. all the testing norms will be applicable to this

11 Checking and replacement of Kit-Kat Fuse if required

11.1 100 amp kit-kat fuse (Fuset to be provided by DGVCL) No.

11.2 200 amp kit-kat fuse (To be provided by Contractor) No. 820

12 Checking and replacement of HRC fuse base if required (HRC fuse base to be provided by contractor

on std Make with type test certificate required)

12.1 630 amp HRC fuse base No. 682

12.2 400 amp HRC fuse base No. 525

12.3 250 amp HRC fuse base No. 370

13 Checking and replacement of HRC fuse bridge if required (HRC fuse bridge to be provided by

contractor on std make 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

14 Providing of proper size of fuse element on HT side (on D.O.

fuse with cleaning of horns)

15 Providing and replacement of sundry items like nut, bolt,

washer etc. of appropriate size

16 General condition

16.1 Clean off all dirt etc from the body of the transformer and

tighten all nut-bolt etc.

16.2 Clamping of LT cable as per instruction of in charge supervisor

16.3 Cleaning of surrounding area nearby transformer center,

treeming of tree branches, removing of crimpers etc.

16.4 Submission of the all activity done at location wise in

prescribed proforma format with signature of in charge of

supervisor and contractor

16.5 Providing of breather if not available with transformer

(breather to be provided by DGVCL)

16.6 Providing of insulated jumper at HT side from D.O. fuse out

side to TC. All three nos. (Jumper wire will be provided by

16.7 Meggar Value taken (1) HV to Body (2) LV to Body (3) HV to

16.8 Tc maintenance digital data submitted as per instruction of

Engineer In charge.

Supply & providing of neutral earthing using G.I. strip (Size

17 mm x 3mm flat) to neutral terminal of X'mer and disl. Box No. 255

neutral terminal with 3 Mtr PVC rigid pipe. 20 Kg solt + 20 Kg

coal. G.I. strip should be brought proper shape up to the

equipment (Earth resistance to be measured and earth

resistance to be maintained as per std norms of DGVCL.

(Earthing Plate Provided by DGVCL)

18.1 LT Side Brass half stud with 2 no brass nut & washer of size

18.2 LT Side Brass half stud with 2 no brass nut & washer of size

19 LT Side Brass Nuts and washer

19.1 12 mm Brass LT side nuts No. 16

19.2 20 mm Brass LT side nuts No. 41

19.3 30 mm Brass LT side nuts No. 68

19.4 12 mm Brass LT side washer No. 10

19.5 20 mm Brass LT side washer No. 18

19.6 30 mm Brass LT side washer No. 20

20.1 Breather plastic transparent body cast metal cap and bottom,

1/2'' thread pipe,250 grams. (Dry gel weight 250 gm)

20.2 Breather plastic transparent body cast metal cap and bottom,

1/2'' thread pipe,500 grams.( Dry gel weight 500 gm)

Total Amount (Twenty Lakh) (Excluding GST)

Total Amount (Twenty Lakh) (Excluding GST)

EXECUTIVE ENGINEER (O&M)

D.G.V.C.L BARDOLI DIVISION