1. supply of led street light (30 watt) for maintenance and replacement of damaged led at different roads and places within kamarhati municipality area..400 nos , supplying and delivery of 30 w led street light in existing poles at different roads and places within kamarbati municipality area. supplying and delivery of high performance led street light having single pressure die cast housing with lm6 or above grade, with high power(1w-3w) led chip & finless design with poly carbonate cover. the streetlight should have cri 70 & cct of 5700k minimum. system wattage including all loses should be max 30w+5%. the streetlight should have dedicated streetlight optics for better lighting distribution. system efficacy should be >120 lumen per watt. housing should be min ip 66 & impact resistance of min ik07, saltable for pole dia of 32-40 mm. should have inbuilt sarge arrestor of >3 kv/ka and external spd> 10kv-10ka for better safety. the driver should have a auto cutoff at 320v+ 15v and protection against 440 v (p2p). it should have life clam of min 50000 burning hours @ l70. make: (philips/crompton/havells) (havells enduracityliteplat plussl30wled757sasybopc)warranty 5 years