replacement of conventional cfl fittings into led fittings at dr babasaheb ambedkar international airport nagpur replacement of conventional cfl fittings into led fittings , supply of led down light of 24w led round recess mounting fixture for extra high ceiling application having system lumens > 2700 lumens , compresses of die cast aluminium housing finished in premium white powder coating , input working range 150vac to 270vac , pf > 0 . 95 v , cct 5700+ / -300k , cri > 80 , internal surge protection of 2 . 5kv , driver efficiency > 85% , 2kv internal surge protection , ( cut out of fixture should be less then 215mm & not be greater then 220mm & outer dia should not be less then 235mm & not be greater then 240mm for installation in existing cutout size ) suitable for single phase 150v to 270v operating voltage , it shall be tested by nabl labs with test certificate . the led fitting shall be equilant distribution having optimized application efficiency and minimize glare & it shall be mit out the minimum lux level required at ground level mentioned in the particular specifications of contract . cat ref:- lsdrn-24w-cdl or equivalent make or approved makes . , supply of led down light of 40w round led recess mounting fixture for extra high ceiling application comprises of pressure die cast aluminum housing finished in white powder coated with smd leds . fixture should have system lumens > 4000 lumens & power consumption should not exceed by 40w , the downlighter is pre- wired with high efficiency electronic driver . high translucent polycarbonate diffuser is used to get glare free , smooth light distribution , input working range 150vac to 270vac , pf > 0 . 95 , cct 5700 + / -300k , cri > 80 , internal surge protection 3kv , driver efficiency > 85% , suitable for single phase 150v to 270v operating voltage , it shall be tested by nabl labs with test certificate . the led fitting shall be equilant distribution having optimized application efficiency and mit out the minimum lux level required at ground level mentioned in the particular specifications of contract . cat ref:- cdr-216-40-57-sl-nwh or equivalent make or approved makes . , supply of 20w led integral via-duct luminaire comprises aluminium extrusion housing , control gear compartment , toughened glass , sysem lumens > 2500 lumens , system power consumption should not exceed 20w , cri>70 , cct 5700+ / - 300k , pf > 0 . 95 , 5kv internal surge protection & 10kv external surge protection , driver efficiency > 85% , ip66 protected cradle provided for mounting . the fitting shall be tested by nabl labs with test certificate . the led fitting shall be equilant distribution having optimized application efficency to mit out the minimum lux level required at ground level mentioned in the particular specifications of contract . cat ref . :- ltll-20cdl or equivalent make or approved makes .