design, manufacture, supply, erection, testing and commissioning of 12 nos. 25 m and 02 nos. 20 m high mast lighting system with led fittings and accessories for ktps under capex, f.y. 22-23. , high mast shaft, 25m, raising lowering sys comprising head frame, luminaries carriage, double drum winch, ss rope, trailing cable, integral power tool motor etc , high mast lighting tower, height 20mtr , single dome aviation obstruction light led , led, flood light, 350w for lighting tower , feeder pillar with 63a tpn mcb incomer for 25 mtr high mast outdoor stand mounted feeder pillar.power tool control, automatic switching of luminaries, push button, incoming and outgoing cable terminals.additional data: suitable for 25m as well as 20m high mast. , erection, testing & commissioning ( of 25 meter & 20 meter high mast tower and associated accessories with workforce, tools & tackles conforming approved drawing including necessary foundation work. )