supply, fitting and fixing of led street light (250 watt) in existing high poles at different roads and places within kamarhati municipality area (300 nos). supply, fitting and fixing of led street light (250 watt) in existing high poles at different roads and places within kamarhati municipality area (300 nos). , supplying and delivery of 250 w led street light in existing high poles at different roads and places within kamarhati municipality area. supply of 250 w (including all losses) led street light luminaire with minimum system efficacy of 110 lumen/watt. luminaire should have pressure die cast aluminium housing and have a rated system lifetime of 50,000 burning hours @l70. cct of >5500k. the luminaire should have cri of > 70. it should have ip 65 and ik 07 protection. system power factor should be >0.95 and thd<= 10%. the luminaire should have inbuilt surge protection of 4 kv and provision of external upto 10kv. operating voltage range should be of 140-277v. luminaire should have serviceability class b. both luminaire and driver should be bis approved. lm 79 report and type test certificate to be submitted for luminaire and lm 80 report for led source issued by make: (philips/crompton/havells) ( model : havells jetairismaxfl250wled757pwbltg)wareanty 5 years , hoisting fixing and commissioning of luiminaries including making necessary connection and earthing attachment: hpmv/hpsv luminaries/led fittings of any wattage. (ud) & ma sch. item-7, p-46) , gst @18% , l.w. cess @ 1%