l include sloping beam of the safety barrier, terminal nose and Intermediate end anchor posts.
Materials
Beams. Washers and bolts shall conform to the requirements of AASHTO M 180. Beams shall be type 1 Class 3.
The beams shall be completely formed, punched with holes for mounting and splicing, and ready for assembly when delivered. They shall be of uniform corrugated section, straight or curved as required. Beams to be erected on a radius of 45m or less.
Galvanising shall be carried out after