design, fabrication/ manufacturing, supply, erection and commissioning of led high mast light 20 mtr height in symmetrical arrangement , design, fabrication/ manufacturing, supply, erection and commissioning of led high mast light 20 mtr height in symmetrical arrangement 8 nos x 200w, 415v , 50hz ,ac supply in flame retardant /self extinguishing corrosion resistant enclosure poles shall be gi lumen efficacy : 100 lumens/w or above total lumens : 1,60,000 lumens or above beam angle [for lens] of each unit : 60 deg thd : 10% or less pf : 0.95 or above cri : 70 or above ip for each led light unit : 65 or above with mechanical winch , timer for on/off control , aviation lamp 1. warranty : full warranty of one year or above for high mast and minimum warranty of led unit: 3 years from the date of supply 2. approval for both civil & electrical drawings shall be obtained prior to commencement of work. 3. all works including civil foundation works, earthing, providing lightning arrestors, aviation lamps and control panel are in the scope of contractor. 4. tolerance as perrelevant standards applicable