Maintenance and diversion of 440 v/3.3 kv o.h. lines electrification works at various locations of kuju colliery under kuju area.

Day-to-day work of dismantling, erection, and maintenance of 11 kv, 3.3 kv, and lt overhead lines, including dismantling and erection of light fittings mounted on poles, structures, and high mast towers, etc., at the surface area of ananta ocp, ja.

1.drawing of 1 new 440 v overhead line (500 m) from no.2 pit substation to agent office, kumardhubi colliery, 2. new 550v overhead line (300 m) from no. 2 pit substation to no. 2 pit fan house at kumardhubi colliery, mugma area, ecl.3.a) drawing of n

A) maintenance of 11 kv/3.3 kv/440 v ohl for period of 01 year at topa project under kuju area.b) illumination at excavation and enm workshop, settling tank pump station with aerial bunch cable, sky netting arrangements at topa project kuju area.

Annual maintenance of different 11 kv ht incoming and differernt 3.3 kv ht outgoing overhead power lines of jocp for a period of 12 months along with the renovation of lightning protection system of main substation, laiyo substation and mines at

(a) erection /dismantling of poles along with conductors and other associated accessories 3.3 kv o/h line (feeder 1, feeder 2 , feeder 3 and feeder 4), and installation of 11 kv grade goab switch, installation of lighting transformer, switch shifting

Pole, pcc, 9 m,fixt lighting, 230 v, 150 w, led, screw,cable, 1.1 kv, 2c, copper, pvc, 1.5 mm2, flexible,overload relay, thrml, 100-150 a,ictp switch, 415-550v, 32 a, 3 p,cable joint kit, 35mm2, copper, 3.3 v, 3 c,earth leakage relay, 50-750 ma with time lag with cbct,moving contact,fixed contact,potential transformer 550-220v, 50va

(a)day to day erection, extension, diversion and dismantling of 220v/440 v oh line at 06 no, departmental patch and weighbridge for providing lighting power for proper lighting for operation of shovel for a period of 365 days or till exhaustion of qu

Fuse cartage, ht 2a, 3.3 kv,coil, 110v, oprt,flood light, led, 100w, ip65, w 10 nos, 10,plug insulator with tube set,thermal overload relay,earth leakage relay, 110v rating elm 8,potential transformer,isolator reversing 300a,contactor, main, 550v, 300a,relay digital, led,24-260vac, 24-360 v dc, 1a-5a,hrc fuse,moving contract assembly,spndl, ss, w-brs nut, f-ft valve - size8 in,cable 1.1 kv, 2c, copper, pvc, 1.5mm2, flexible

Auxiliary transformer 80va pri 500 525 550, part no. fs2004c,air breaker contactor 16amps, part no fs2003a,air break contactor 63 amps, part no fs2003e,direct acting thermal overload relay, part no fs2010a,earth leakage relay complete w.o. transf, part no fs2018,pilot relay 12v dc, part no fs2026,auxiliary contactor 2no 2nc 110v 415v 550v, part no fs2020,auxillary cantactor 3 no 1nc 110v 415v , part no fs2020a,i.s. pilot oanel instrinsically safe, part no fs2035,air break contactor 40amps upto 20hp 550v, part no fs2003c,isolator 200 amp,3.3 kv on off, part no ht100,vacuum contactor 400 amps, 3.3kv, part no ht200,bottle vaccum interrupture 400a for cont, part no ht202,auxiliary contactor 3no 1nc, 110v, part no ht208,resin cast p.t. 750va, 3.3kv 110 volt, part no ht300,resin cast p.t 300va 3.3kv 110v, 3 phase, part no ht350,resin cast moulded ct for o l relay 75 , part no ht600,resin cast moulded ct for ammeter 150 5, part no ht650,earth leakage relay unit complete witho, part no ht800,3 pole magnetic o l relay