SECTION 900 – MATERIALS DETAILS

The radii of curvature shall be in increments of 3 m (10 ft) from a radius of 45.7 to 15.2 m (150 to 50 ft) inclusive and in increments of 1.5 m (5 ft) from a radius of 15.2 m (50 ft) to and including 6.1 m (20 ft). The steel channels specified on the plans shall be standard 127 mm (5 in.) channels weighing 10.0 kg/m (6.7 lb/ft). ................
................