Class H: Precast Concrete

M beams, flange width 970mm section M2; 17m long, 720mm deep; mass 12.95 t – – – – nr 4750.00 section M3; 18m long, 800mm deep; mass 15.11 t – – – – nr 4400.00 section M6; 22m long, 1040mm deep; mass 20.48 t – – – – nr 7150.00 section M8; 25m long, 1200mm deep; mass 23.68 t – – – – nr 9200.00

U beams, base width 970mm section U3; 16m long, 900mm deep; mass 19.24 t – – – – nr 7500.00 section U5; 20m long, 1000mm deep; mass 25.64 t – – – – nr 9500.00 section U8; 24m long, 1200mm deep; mass 34.56 t – – – – nr 10500.00 section U12; 30m long, 1600mm deep; mass 52.74 t – – – – nr 17500.00

Labour Total hours £ £ £ rate £

SLABS

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

400mm wide planks 0.21 11.44 17.03 32.00 m2 60.47 1200mm wide planks 0.12 6.38 9.50 40.15 m2 56.03

150mm thick floor 400mm wide planks 0.26 14.30 21.29 34.50 m2 70.09 1200mm wide planks 0.14 7.97 11.87 42.00 m2 61.84

COPINGS, SILLS AND WEIR BLOCKS

Concrete mix C30 Coping; weathered and throated

178× 64mm 1.00 9.50 5.00 3.25 m 17.75 305× 76mm 1.00 7.50 3.50 5.75 m 16.75