repair and maintenance of electrical installation and fans i / c pump sets , sub-station and ac equipments at transport authority , 5 / 9 under hill road , civil lines , delhi . ( sh - supply and replacement of led board ) , supplying & fixing of ms frame work made out of ms angle / tee / channel / flat iron of different sizes complete with locking arrangement , hinges , welding and one coat of red oxide and two coats of approved synthetic enameld paint complete etc as reqd . , supply installation testing & commissioning of led backlite character board which includes the following properties etc . complete as required . a ) board base acp sheet 3 mm b ) pneumatically sealed letter character cnc machine bended letter body : high grade ss sheet 304 grade . bottle plate : 2mm , acp c ) inbuilt ip-67 led modules : input voltage : 12 v dc samsung 1 . 2 watt power : 15 w-20w per feet lumens o / p : 30lm / module ct: 6000 / 6500k cool white d ) 3 m polycarbonate diffuser sheet of required color : thickness: 1 . 8mm . e ) smps of required power ( ip-67 ) ( make: technocrats ( mahipal pur ) / sony plastic ( pahar ganj ) / royal signage ( paharganj ) , supplying , laying & fixing of 3 x 10 sq . mm . pvc insulated pvc sheathed alum . cond . armoured cable of 1 . 1 kv grade as under etc . complete as reqd . a ) on surface , credit of old dismantle material i ) old glow sign board