bids are invited for procurement of led light fixtures for various locations at tirupati airport. total quantity : 267; 1 efficiency of led light fitting (efficacy) min 110 lumens/watt 2 life of led light fitting not less than 50000 burning 3 approved make of led nichia/cree/osram/ philips(lumiled)/ sharp/ seoul/ everlite/citizen(japan)/ bridgelux(usa) /samsung. 4 cri(color rendering index) min 70 for outdoor applications 5 thd(total harmonic distortion) less than 10% 6 voltage range 140 v to 270 v 7 type of housing high pressure die cast aluminium/standard alloy 8 ip category ip 65 or higher 9 surge protection greater than 4kv 10 labelling / identification mark manufactures name / logo shall be engraved / embossed on housing / body or on aluminium plate labels or screen printed on housing / body. 11 warranty period 5 years warranty from actual date of completion of work on complete luminaire including driver/control gear, led, all accessories etc. 12 power factor equal to 0.95 or more. 13 total power consumption of fitting not more than 110% of rated capacity of led light fitting. 14 approved make of driver meanwell/inventronics/c&s/mosopower/bag/ phillips/wipro/osram/bajaj/pharos/fulham/helver/ oem of light fixture 15 type of driver enclosed / encapsulated 16 efficiency of driver greater than or equal to 85% 17 testing facility led luminaire manufacturer shall have inhouse nabl accredited photometry lab. 18 bis registration all luminaires & drivers shall be bis registered. 19 housing thickness housing of luminaires shall be greater than or equal to 0.5mm for crca or 1mm for extruded aluminium or 1.5mm for pdc aluminium or heavier if so required to meet the application requirement. 20 ik rating ik 07 or above 21 led binning(standard deviation colour matching) less than 5 (sdcm) 22 unified glare rating (ugr) na