provision of led street light in najafgarh ward no.127 under najafgarh zone in financial year 2024-25.nitno.eee/ngz/77-01 - 1 supply of 70 watt led street light luminaire fitted with lens made of pressure die cast aluminum housing and toughened glass cover complete with the following specifications as per relevant is (a) total system wattage :70 watt + 5% (b) luminaire efficacy -130 lumens/watt ( minimum) (c) powerfactor > 0.95 (d) protection class ip66 (e) led package shall be ceramic base, cob type led chip is not acceptable.. (f) operating current of led < 70% of rated maximum forward current, limited to a minimum of 350 ma and maximum of 1000 ma.(g) wattage of led package : one watt to five watt maximum (h) cri >70 (i) thd<10% for complete fixture (j) operating voltage – 110-320 v, 50hz +/- 3%. (k) the driver must have thermal protection against 75 deg c ambient temperature with internal spd of minimum 6 kv. separate compartment for driver (i) life of street light: minimum 50,000 hrs 2 supply and fixing of 32mm dia x 1 meter long g.i. pipe (medium class) bracket for mounting of fluorescent/hpmv/hpsv street light fitting on pole including bending the pipe to the required shape , 2 nos 25mm x 6mm flat iron clamps with nuts, bolts and washer , painting the flat iron with primer and finish paint etc. as reqd. 3 installation and commissioning of street light etc. as required.