ABSTRACT

Diameter: not exceeding 300mm 0.36 31.34 – 32.12 m 63.46 300mm-450mm 0.44 37.70 – 42.78 m 80.48 450mm-600mm 0.60 64.63 – 37.45 m 102.08 600mm-750mm 0.60 63.34 – 53.43 m 116.77 750mm-900mm 1.00 102.98 – 80.23 m 183.21 900mm-1050mm 1.10 120.00 – 96.06 m 216.06 1050mm-1200mm 1.40 140.04 – 102.46 m 242.50 Exceeding 1200mm 2.00 205.97 – 168.95 m 374.92

SLABS

Prestressed precast concrete flooring planks; Bison or similar; cement mortar grout between planks on bearings 100mm thick floor

400mm wide planks 0.21 13.82 18.66 34.27 m2 66.75 1200mm wide planks 0.12 7.71 10.41 43.00 m2 61.12

150mm thick floor 400mm wide planks 0.26 17.27 23.32 36.95 m2 77.54 1200mm wide planks 0.14 9.63 13.01 44.98 m2 67.62

COPINGS, SILLS AND WEIR BLOCKS

Concrete mix C30 Coping; weathered and throated

178× 64mm 0.25 12.50 5.10 3.65 m 21.25 305× 76mm 0.18 9.00 3.57 6.47 m 19.04