bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - bsnl nit no 16 replacement of service connection power supply and other allied electrical works in telephone exchange sulthanpet bengaluru; electrical system or installa.. - supplying and laying of the 4 x 16 sqmm isi marked pvc insulated, aluminium weather proof wire in existing pvc/gi pipe surface of wall / pole in ground necessary testing & commissioning complete etc as reqd , supplying and laying 40mm dia 2mm thick pvc pipe for mechanical protection of power cable on surface of wall/pole with cl s and necessary hardware item etc., as required. (make: any isi marked) , supplying and laying the 40mm size isi marked gi pipe with accessories for road crossing direct in ground on surface of wall including cl ing etc complete as required. , supplying and making end termination suitable for 4 x 16 sqmm pvc insulated aluminium weather proof wire and aluminium lugs etc as required , rectification of fault and making arrangement for extending power supply to the exchange building , checking the ug power cable by arranging insulation megger, checking of meter board and bescom busbar box and feeder pillar, tracing of faults removing burnt faulty cable, arranging for power supply restoration, coordinating with bescom authority for power supply shut down and restoring of power supply to existing meter board etc as required , supplying and fixing of 24w 1150mm led batten light fitting suitable for operation on 230v 50hz ac supply including interconnection testing and commissioning etc as required ms crompton philips or similar superior make , supplying and fixing ryb (3nos) led type indication l on 230v 50 hz ac supply in the existing lt panel, including interconnection testing and etc as required etc,. (l&t make)