ABSTRACT
PVC-U plain ended field drain pipes, laid butt jointed in trench, diameter
110mm m 160mm m
Couplers, diameter
110mm nr 160mm nr
Bends, short radius, diameter
110mm nr 160mm nr
Vitrified clay perforated drain pipes, laid butt jointed in trench, diameter
100mm m 150mm m 225mm m
Bends, diameter
100mm nr 150mm nr 225mm nr
Junctions, diameter
75mm nr 100mm nr 150mm nr
Labour grade
LB LB LB
LB LB
LB LB
LB LB
LB LB LB
LB LB LB
LB LB LB
Labour hours
0.12 0.14 0.16
0.16 0.18
0.16 0.18
0.16 0.18
0.16 0.18 0.20
0.16 0.18 0.20
0.16 0.18 0.20
440 Land drainage
Unit Labour Labour Plant Plant Trench grade hours grade hours m3
Form ditch with 45 degree sides by machine average width 500mm, depth
500mm m - - PA 0.10 0.125 1000mm m - - PA 0.14 0.250 1500mm m - - PA 0.18 0.375 2000mm m - - PA 0.22 0.500
Form ditch with 45 degree sides by machine average width 1000mm, depth
500mm m - - PA 0.14 0.250 1000mm m - - PA 0.22 0.500 1500mm m - - PA 0.34 0.750 2000mm m - - PA 0.46 1.000
Form ditch with 45 degree sides by machine average width 1500mm, depth
500mm m - - PA 0.18 0.375 1000mm m PA 0.34 0.750 1500mm m - - PA 0.50 1.125 2000mm m - - PA 0.70 1.500
