bids are invited for providing and fixing of retro reflective sign board as per details below is to be carried out at 220/33kv, iitgnl, gis sub station gr. noida; providing and fixing of retro reflective sign board of size 10 ft x4 ft for substation name & address and 4 nos transformer nomenclature plate detail to be fixed on the sub station roadside and near respective transformers at 220/33kv sub station iitgnl the board shall be made of 4 mm thick aluminium sheet whose face to be fully covered with 3m dg cube retro reflector sheet of yellow colour. the letter and symbol shall be computer cut in blue colour board is to be provided along with the back support frame of size 35 mm x 35 mm x 5mm with provision of 2 nos leg for grouting duty painted in black colour enamel paint and backside of the aluminium sheet shall be painted with smoke grey enamel paint complete in all respects to be grouted with casting of cc (1.2.4) foundation roadside if sub station and respective transformers with all cost of men, misc. maternals t&p and labour etc as per technical specifications and as per direction of supervising engineer.