annual maintenance contract for general lighting maintenance of plant permanent township and amc for general lighting maintenance of plant permanent township andfire colony for the year 2019-20 , for ntpc korba , maint . of quarters and public buildings , pm / bd of public buildings , quarter complaints / bd / new allotment , night shifts , maint . of street / flood / highbay light ftgs , pm of bdb / mdb / pole fuse box , oh of feeder pillar boards , oh of lt mcc , laying of gi strip , gi wires , single core , laying of gi / pvc conduits , casing / caping , complaints operator , technical cum safety supervisor , deployment of stores keeper , maint . of overhead lines and substations , pm of ht overhead line , pm of lt overhead line , pm of 11 / 0 . 4 kv substations / switching , bd maint . of ht lines , bd maint . of lt lines , sag adjustment of ht / lt conductors , stringing of ht / lt conductors , maint . of ht / lt cables , excavation of cable trench , laying of multicore lt cables upto 50sqm , laying of multicore lt cables above 50sq , t / l of ht cable of all sizes & types . , lt cable jntg / end term . upto 50sqmm , lt cable jntg / end term . above 50sqmm , ht cable jointing / end termination , misc . jobs , rewinding of exhaust fan , servicing and repair of exhaust fans , ltg services during functions including , pm / bd of motors , muffing of poles , letter writing , deployment of vehicle , supply of skilled manpowers , supply of semi-skilled manpowers , supply of un-skilled manpowers