supply of installation and fixing made by supplier at jurisdiction of adra division caution indicator board of sizes of irpwm, made out of 2 mm thick aluminium alloy sheet conforming to i.s. 736 with back support of galvanized angle 25x25x3 mm. the entire face of the board shall be covered with yellow high intensity encapsutated retro reflective sheeting with hlvaprocess. the letters shall be cut out of black high intensity encapsulated sheeting and provided on the base sheet with hlva process. the board shall be fired with ms angle of suitable size. with 03 numbers extra plate of speed including. [ warranty period: 30 months after the date of delivery ] => limited