Preventive maintenance of 11K.V OH line from Dhori sub station to 4/5/6 incline via 7/8 incline of Dhori (k) for smooth power supply to mine, Dhori (k) colliery, Dhori Area

Amount

Supply and errection of 11 KV disc insulator for 11 KV over head line with galvenised insulator fittings,ball and sockets type and complete with galvenised strain clamps bolts nuts washer etc as required..

Supply and erection of 11 KV pin insulator complete with large steel head G.I. pin ,nuts,washer etc as required..

Supply and errection of galvanised stay set for 11 K.V. over head line complete with 19/20 mm dia x1.8 mtr. Long stay rod ancore plate size 45cmx45cm x7.5 mm thick ,thimble stayclamps,turn buckle (20mmx6.00 mm ),7/4.00 mm dia G.I. stay wire and 11 KV strain insulator etc in cement concrete 1;3;6(1 cement:3 sand:6 graded stone 40 mm nominal size)foundation including excavation and refilling etc as required.

Errection of double pole 3 wire cross arm for 11 KV over head lines as required

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/ 33 KV as required

Felling tree of the girth (measuredat a height of 1 meter above ground level), including cutting of trunks and branches, removing the roots and stacking of serviceable material and disposal of unserviceable material -Beyond 120 cm girth upto and including 240 cm girth

Cleaning jungle including uprootingh of rank vegitation,grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removal of rubbish upto a distance of 50 m outside the periphery of the area cleared.

Erection of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required.

Dismantling of 11 KV over head lines comprising of aluminium over head conductor, G.I. wire, cross arms, insulators etc. as required

Patrolling checking testing of 11 K.V. O. H. line for routine maintainence and breakdown maintenance of each feeder

Providing of one phase of GOS 400 Amp. moving contact / fixed contact / copper wirenet-1.5 mtr. etc for repairing of 11 KV grade vertical type Gang opration switch

Repairing of 400 Amp. 11 KV grade GOS after dismantaling of burnt/difective phase male and femalefixed contact ,copper wirenet-1.5 mtr. Long.moving contact etc and repalce from the materiasl (From Sl.No.11) along setting it on the pole structure

Dismenaling of pole from 10 mtr to 12 Mtr.embedded in cement conncrete foundation etc as required.

Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required Above 10.00 metre and upto 12.00 metre

Errection of G.I. wire no 8 SWG includig binding etc as required.

Supply and erection of 30 A aerial fuse complete as required,

Supply of 8 SWG G.I. wire.

Shifting of tubler/rail pole from store to the site (pole size 10 to 12 Mtr.)

Shifting of tubler/rail pole from site to store.(pole size 10 to 12 Mtr.)

Errection of creddle guard.

Connection of OH line Jumper (During preventive maintainence activity)

With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel gavanized iron/ steel works with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work ( double coat) 56 pole 7/8 + 50 pole 4/5/6 incline and switches transformers, tripplers structure, tripplers shed , etc

Painting with aluminium paint of approved brand and manufacture to givean even shade 13.63.1 two or more coats on new work pole 56 pole to 7/8 + 50 poles to 4/5/6 incline and switches transformers, tripplers structure , tripplers shed etc

Lettering with black japan paint of approved brand and manufacture 205 CM X 71 nos.

Total impact of GST for the purpose of CTC

M/S CHHOTTANAGPUR SUPPLY AGENCY

M/S A N TRADERS