supply of manufacturing, fabricating and supplying retro-reflective engineering indicator boardsmanufacturing, fabricating and supplying retro-reflective engineering indicator boards,manufacturing, fabricating and supplying retro-reflective engineering indicator boards, made of 2mm thick aluminium sheet or 3mm thick aluminium composite sheet, face to be fully covered with high intensity encapsulated type heat activated retro-reflective sheeting conforming to type-iv of astm-d4956- 01 in yellow & black or other colour combination including subject matter, message, symbols. borders etc. as approved by engineer in-charge or as per irpwm guidelines, pasted on substrate by an adhesive backin g which shall be activated by applying heat and pressure conforming to class-2 of astm-d-4956-01 and fixi ng |the same with suitable sized aluminium alloy rivets @ 20 cm clc to back-support |frame of m.s. angle ir on of size 25mm x25mm x 3mmprovided all along the edges of board with theft resistant measures back si de of board shall be with non-peelable weatherproof paint, consisting of one coat of zinc chromate |primer and two coats of epoxy paint. vertical post shall have black & white anti-| corrosive paint or powder coating complete as directed. termination indicator board tp and tg of circular shape having diameter of 1000 m m with back support frame welded to vertical post of ms angle of size 50mmx50mmx6mm of 3650mm long . tp= 100 nos. and tg = 100 nos. [ warranty period: 30 months after the date of delivery ] ]