bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - commercial; switchyard; service provider-1 lowering down lamp plate with the help of steel rope wire and motor availabele inside the high mast light. dismantling of old hpsv light fittings completely.disconnecting all electrical connection of old fittings. modification in the lamp plate structure should be done if required for new light fittings. providing & fixing of 250 watt outdoor led flood light isi marked. ip66 rating, luminaries 25000-30000 im, colour temp-5700-6000k, 90-300 volt ac. 50 hz. high pressure aluminium die cast and 2 tempered protective toughened glass flood light along with fittings, model -jeta adorn of havells make or equivalent model/specifications of phillips/cgl make. warranty-minimum two years. 3 erection of 01 no. high mast light with all ectrical connections. lifting up lamp plate with the help of steel rope wire and motor availabele inside the high mast light. checking and rectifying electric fault in the control panel box if found any.