ABSTRACT
Gulley grates and frames hr 1.0
Kerb hr 1.1
Paving slabs hr 0.9
Pipes, concrete and clayware hr 0.9
Precast concrete items hr 0.9
Soil hr 1.4 2.0
Steel reinforcement hr 0.8
Steel sections, etc hr 1.0
Stone and aggregates:
bedding material hr 1.5 1.8
filter/subbase hr 1.3 1.4
rock fill (6" down) hr 1.3 1.3
Trench planking and shoring hr 0.9 2.9
