Tender for Maintenance of various capacity of Transformer at various location of UDWADA sdn under the juridiction of Vapi Rural Division.

ARC work for maintenance of distribution transformer center

Description Unit Cost of Mat Lab Charge Total

Labour charge for prviding of HT/LT

bushing goti if required

Replacement of LT bushing goti/ Rubber

Replacement of HT bushing goti/

Providing of half stud on LT side up to

100 KVA TR if required

Providing of AL. Patta on LT side up to

200 KVA TR if required

Providing of AL. Patta on LT side up to

500 KVA TR if required

Check and tight earth connection, if

5 required provide lugs & nut-bolt to the LS 50

neutral terminal of TRF and to the body

terminal of TRF and dist box earth

Replacement of demage LT cable with

new one of right capacity (cable provide

6 by DGVCL) No. 150

Providing of new termination in form

of R,Y,B and N core including PVC tape

Termination of 25/50/70 Sq.mm cable

Termination of 300 Sq.mm cable

Termination of 95/120/150 Sq.mm

Termination of 185 Sq.mm cable

Termination of 240 Sq.mm cable

of voltage and ampere Per No. 150

during oil leakage load

maximum fromperiod

valve/gasket/tank leak etc. and if

10 nos. of T/C per day

leakage found at attend by providing

adhasive material, m-seal and give

9 detail of leakage and topping of oil to No. 150

maintain proper oil level (oil provide by

10 Checking and replacement of LT Dist 100

box if required (Dist box provide by

11 Checking and replacement of Kit-kat No.

fuse if required (Kit-kat fuse be provide

100 amp kit-kat fuse

200 amp kit-kat fuse

12 Checking and replacement of HRC fuse

base if required (HRC fuse base provide

by contractor on std. make)

630 amp HRC fuse base

400 amp HRC fuse base

250 amp HRC fuse base

13 Checking and replacement of HRC fuse

bridge if required (HRC fuse provide by

contractor on std. make)

630 amp HRC fuse

400 amp HRC fuse

250 amp HRC fuse

14 Providing of proper size of fuse element No. 15 30

on HT side (on D.O. fuse with cleaning

15 Providing and replacement of sundry LS 200

items like nut,bolt,washer etc. of

appropriate size

General condition

16 Clean off all dirt etc from the body of

the transformer and tighten all nut-bolt

Clamping of LT cable as per instruction

of incharge supervisor

16 Cleaning of surronding area nearby

transformer center, treeming of tree

branches, removing of crimpers etc. JOB 150

Submission of the all activity done at

16 location wise in prescribed proforma

format with signature of incharge of

supervisor and contractor

17 Providing of breather if not available

with transformer (breather to be

provided by DGVCL)

Supply & providing of neutral earthing

using G.I. strip (Size 25 mm x 3mm flat)

to neutral terminal of X'mer and disl.

17 Providing of insulated jumper at HT side

Box neutral terminal with 3 Mtr PVC

rigid D.O. fuse out side

Earthing plateto&TC.

coal. G.I. will

strip be provided

DGVCL)shap up to the equipment (Earth

registanance to be measured and earth

17 register to be maintained as per std No. 255 595

norms of DGVCL)

18 LT Side Brass half stud with 2 no brass

nut & washer of size 12 mm No. 158 18

18 LT Side Brass half stud with 2 no brass

nut & washer of size 20 mm No. 300 18

19 LT Side Brass Nuts and washer

19 12 mm Brass LT side nuts

19 20 mm Brass LT side nuts

19 30 mm Brass LT side nuts

19 12 mm Brass LT side washer

20 20 mm Brass LT side washer

20 30 mm Brass LT side washer

TOTAL AMOUNT TWENTY LAKH ONLY

TOTAL AMOUNT TWENTY LAKH ONLY