tender for providing and erecting of retro - reflectorised cautionary, mandatory and informatory signs (without definition board) made out of high intensity prismatic grade sheeting confirming to type-iv standards of irc-67: 2022 and astm d 4956 -09, specification and fixed over 2mm thick aluminium sheet fixed over a back supporting frame of 25mm x 25mmx3mm mild steel angle and supported on a mild steel angle post 75x75x6mm with a clear height of not less than 2.10m from the ground level to the bottom of the sign board and 0.60m below ground level. the sign post should be painted as per irc 67-2022 and firmly fixed to the ground by means of properly designed foundation with m15 grade cement concrete 45cmx45cmx60cm size including cost and conveyance of all materials, equipment, machinery and labour with all leads and lifts, loading charges necessary for satisfactory completion of the work as directed by the engineer-in-charge. high intensity retro - reflectro sheet shall consist of minimum coefficient of retro-reflection as per table 6.6 of irc 67-2022. the retro - reflective sheeting shall be covered under 7 year warranty issued for field performance and a certified copy of three years outdoor exposure report shall be obtained as per irc 67:2022. (as per mort&h specification no.801)hw-w0070 90 cm equilateral triangle , providing and erecting of direction and place identification retro-reflectorised sign made out of high intensity prismatic grade sheeting confirming to type-iv standards of irc-67: 2022 and astm d 4956 -09, specification and fixed over 2mm thick aluminium sheet fixed over a back supporting frame of 25mmx25mmx3mm mild steel angle and supported on a mild steel angle post 75x75x6mm with a clear height of not less than 2.10m from the ground level to the bottom of the sign board and 0.60m below ground level. the sign post should be painted as per irc 67-2022 and firmly fixed to the ground by means of properly designed foundation with m15 grade cement concr