bids are invited for led street light 24 w - supplying and erecting led street light / flood light fittings with high power white leds wattage of 1watt and above assembled on single mcpcb, efficiency more than 130 lm / w and corrosion free high pressure die cast aluminum housing with smooth finish powder coated and heat sink extruded aluminium with diffuser and polycarbonate optics / lenses with company mark / name engraved or embossed 120 to 300 v, power factor more than 0.95, thd < 10 %, cct3000 k to 5700k, uniformity ratio >0.45, luminaire efficacy> 100 lumens / watt . led driver efficiency > 85 %.cree / osram / philips lumileds / nichia / seoul / bridgelux ( u.s.a. ) make led used for luminaire. ( fittings required lm-79 & lm-80 certificates ) ( note: below description have shown ranges of wattage capacity of led fittings.the engineer incharge may select any wattage capacity between the ranges shown. ) ( a ) street light ( ip-65 ) , surge protection -4kv integral and 10 kv non integral , light must have 440vac line supply protection. it should withstand 48 hours for 440vac line supply. 24 watts , cable - supplying & erecting xlpe ( is:7098 ) ( i ) -88 isi unarmoured aluminium cable 1.1 kv.grade to be erected as directed of following size. 3 core 2.5 sq. mm , mount breket - supplaying b class galvanized street light arm and clamps ( with nut / bolt ) for electrical cement poles, 25mm outside sizes, total length 1 mtr with silver paint. total quantity : 1