Annual Maintenance Contract (AMC) for Shifting, Erection, and Dismantling of HT Overhead Lines in the East Section of Dudhichua Mines for 02 Years

Amount

Part-A (Supply)

MS Nut and Bolt with Washer 5/8" x4" and 5/8"X8" as required

MS Flat (50x6) mm for Clamp

Supplying of 7/14 SWG G I WIRE for Guarding with Earthing.

Supplying of Hardware for Wolf Conductor Tension type

Part – B (Erection work)

Excavation of pole pit (pit size=0.8x0.8x1.8 mtrs) and erection of 11 to 16 mtrs tubular pole with fixing of required brackets, Support angles, clamps with nut bolt (grouting and refilling with concrete mixture 1 bag cement/mine gravel/sand on supply by contractor) Pole to be transported from Regional store to mine work site by contractor

Laying and fixing of one number PVC insulated and PVC sheathed /XLPE power cable of 11 KV grade of 95 sq mm and upto 185 sqmm size ( clamped with 25/40x3mm M S flat clamp) etc as required.

Laying & Stringing of Wolf/Dog or equivalent AAA conductor with jumpering including transportation from Regional store/Mine to Work Site

Earthing with copper plate 600mm x 600mmx 3mm thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7m long etc. with charcoal/coke and salt as required

Laying stringing of 7/14 S.W.G. G. I. earth with 10 SWG guarding wire in shape of guarding wherever is required

Erection of 11kv pin/post insulator complete with large steel head G1.pin nuts washers etc. as required

Erection of 11kv disc insulator for 11KV overhead lines with galvanised insulator fitting, ball and socket type complete with galvanised strain clamp,bolt_nut,washers etc. as required

Fabrication of MS channel & Angle, Flat in shape of Bracket/Clamps and Supports as per required and instruction of Engineer in charge

Excavation of stay pit and grouting of stay assembly set( size=0.6x0.6x1.2 mtrs in soft/Nord rock/sol)treffling with concrete mixture and 0.5 bag cement/mine gravel/sand on supply by contractor

Erection of pole top/straight two wire/V shape two wire angle iron/channel iron cross iron arm on wood/RCC/PCC/steel tublar/fail pole etc. as required

Erection of double pole 3 wire cross arm for 11kv overhead line etc. as required

Providing and fixing H.T danger notice plate of 250 mm x 200 mm, made of mild steel, at least 2 mm thick, and vitreous enameled white on both sides, and with inscription in single red colour on front side as required

Fault Clearing due to Lightning/Rainy Storm/blasting or any other Damage in mines ( as and when required in General Shift i.e. from 08:00 to 18:00) (By providing Min Q2 unskilled, Q2 Skilled and Q1 highly skilled manpower for total frequency of fault)

Supply and Fixing of 6.6KV, 1250A Triple pole offload isolator( Horizontal Type) Complete Set

Installation, testing and Commissioning of lightning Arrestor 6.6KV grade including connection with earth pit

Repairing of Rotating Assembly Repairing of shaft 3 Nos.

Dismantling of MS tubular pole 11/13 mtr long including stacking at site store.

Dismantling of woll/ equivalent AAA conductor including stacking at site store

Derooting & Dismantling of complete stay set with Stay Insulator including transporting & stacking at the site store

Dismantling of pole mounting cable 6.6KV/7.2KV grade armoured 20 mtrs length

Total impact of GST for the purpose of CTC

S D SINGH CONSTRUCTION (BID ID -1160881)