Supply Of Manufacturing and supply of circular STOP Disc of 600mm dia for fixing on emergency chains at level crossings

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Supply Of manufacturing and supply of circular stop disc of 600mm dia for fixing on emergency chains at level crossings , manufacturing and supply of circular stop disc of 600mm dia for fixing on emergency chains at level crossings as given in irpwm including providing retro reflective sheet fully covered over board con irming to type -iv of astm-d4956 in red back ground colour and text stop of white colour over back groun d. the circular board shall consists of 2mm thick aluminium sheet fixed to 1.5mm thick ms sheet of 600m m dia with suitable sized aluminium alloy rivets @ 20cm c/c to back - support. retro reflective sheet is to b e pasted on substrate by an adhesive backing which shall be activated by applying heat and pressure confo rming to class-2 of astm-d-4956-01. a vertical holding stand of 1000mm length x 15mm thick to be jointed to back side of board along with a hook for fixing emergency chain as directed by engineer in charge. [ wa rranty period: 30 months after the date of delivery ] ]