Provision of an Reinforced cement concrete crash barrier at the edges of the Bridge,road, approaches to bridge structures and medians, constructed with M-40 grade concrete , with HYSD reinforcement conforming to IRC:21 and dowel bars 25 mm dia, 450 mm long at expansion joints filled with pre-moulded asphalt filler board, keyed to the structure on which it is built and installed as per design given in the enclosure to MOST circular No. RW/NH – 33022/1/94- DO III dated 24 June 1994 as per dimensions in the approved drawing and at locations directed by the Engineer, all as specified-with concrete mixture.