Complete repairing /rewinding and overhauling of pullen make 120 hp 550 volt 2900 rpm submersible motor and 6 stage pump of dobari colliery.

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

Erection of 220v overhead line (two-wire) from gkkc to new coal dump for installation of cctv camera under cpwd-12, gkkc colliery, kusunda area

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

Erection and commissioning of 440 volt overhead line near b.r. company joyrampur colliery for illumination purpose and 440 volt overhead line re-organisation at bagdigi colliery of amal.joyrampur colliery under lodna area.

Dismantling head gear structure at 6 pit lodna colliery of amal.joyrampur colliery under lodna area.

Complete repairing/ rewinding of one (01) no.500 kva 3.3kv/550 volt power transformer of sl.no.lph /tr/12 at 1 pit lodna colliery of amal. joyrampur colliery under lodna area.

Rectification and maintenance of 550 volt overhead line of laxmi colony from bararee 6 no. sub-station at bararee colliery of amal. joyrampur colliery under lodna area.

Dismantling erection and di of overhead line 550 volt from jealgora 7 pit colliery to jealgora regional hospital ( approx. 680 mtrs. length) of jealgora colliery under lodna area.

Dismantling, erection and diversion of overhead line 550 volt from jealgora 7 pit colliery to jealgora regional hospital ( approx. 680 mtrs. length) of jealgora colliery under lodna area.