supply of 1)acp signage board: design, supply, fabrication, fixing, installation and commissioning of 4 mm thick acp signage board with 0.5 mm aluminium skin on both sides, minimum 25 micron pvdf coating on front side and 4?7 micron polymer/epoxy coating on back side, complete with vinyl/retro-reflective sheeting, aluminium substructure, ss fasteners and ms stand/support wherever required, including all necessary accessories, transportation, fixing and commissioning, complete in all respects as per approved design and railway guidelines.2)foam sheet signage board: design, supply, fabrication, fixing, installation and commissioning of foam sheet signage board of approved thickness and size, with suitable ms/gi/aluminium frame, including vinyl/printed graphic, complete with required stand/support wherever necessary, all accessories, fasteners, transportation, fixing and commissioning, complete in all respects as per approved design. , acp signage board: design, supply, fabrication, fixing, installation and commissioning of 4 m m thick acp signage board with 0.5 mm aluminium skin on both sides, minimum 25 micron pvdf coating o n front side and 4?7 micron polymer/epoxy coating on back side, complete with vinyl/retro-reflective sheeti ng, aluminium substructure, ss fasteners and ms stand/support wherever required, including all necessary accessories, transportation, fixing and commissioning, complete in all respects as per approved design and railway guidelines. [ warranty period: 12 months after the date of delivery ] ] , foam sheet signage board: design, supply, fabrication, fixing, installation and commissionin g of foam sheet signage board of approved thickness and size, with suitable ms/gi/aluminium frame, includ ing vinyl/printed graphic, complete with required stand/support wherever necessary, all accessories, fasten ers, transportation, fixing and commissioning, complete in all respects as per approved design. [ warranty period: 12 months after the date of delivery ] ]