chapter
9 Pages

Roads and sewers

Remove undergrowth and site vegetation m2 0.17 - 0.03 0.20

Cut down trees, grub up roots and remove

1500mm nr 200.00 - 30.00 230.00 girth, 1500 3000mm nr 527.60 - 79.14 606.74

girth, 600

£ £ £ £

Cut down hedge, grub up roots and remove

height, 1500mm m 17.36 - 2.60 19.96 height, 3000mm m 30.40 - 4.56 34.96

Excavate topsoil or turf and lay aside for re-use

150mm thick m2 0.33 - 0.05 0.38 200mm thick m2 0.44 - 0.07 0.51 250mm thick m2 0.54 - 0.08 0.62

Excavate to reduce levels depth not exceeding

250mm thick m3 1.62 - 0.24 1.86 500mm thick m3 1.52 - 0.23 1.75

Extra for excavating through

rock m3 71.65 - 10.75 82.40 concrete m3 60.80 - 9.12 69.92 brickwork m3 47.76 - 7.16 54.92

Unit Labour Hours Mat'ls O & P Total £ £ £ £

Excavate trench for kerb foundation

200 x 75mm thick m 0.10 1.50 - 0.23 1.73 250 x 100mm thick m 0.12 1.80 - 0.27 2.07 300 x 100mm thick m 0.14 2.10 - 0.32 2.42 450 x 500mm thick m 0.20 3.00 - 0.45 3.45

£ £ £ £

Disposal by machine

Load surplus excavated material into lorries and cart away to tip

distance, 10km m3 17.96 - 2.69 20.65 distance, 15km m3 19.54 - 2.93 22.47

Filling by machine

Surplus excavated material deposited and compacted in layers

over 250mm thick m3 7.84 - 1.18 9.02 100mm thick m2 1.20 - 0.18 1.38 150mm thick m2 1.35 - 0.20 1.55 200mm thick m2 1.50 - 0.23 1.73

Imported sand deposited and compacted in layers

over 250mm thick m3 7.84 33.91 6.26 48.01 100mm thick m2 1.20 3.39 0.69 5.28 150mm thick m2 1.35 5.08 0.96 7.39 200mm thick m2 1.50 7.78 1.39 10.67

Imported hardcore deposited and compacted in layers

over 250mm thick m3 7.84 20.02 4.18 32.04 100mm thick m2 1.20 2.02 0.48 3.70 150mm thick m2 1.35 3.03 0.66 5.04 200mm thick m2 1.50 4.04 0.83 6.37

£ £ £ £

Imported topsoil deposited and compacted in layers

over 250mm thick m3 7.84 15.20 3.46 26.50 100mm thick m2 1.20 1.52 0.41 3.13 150mm thick m2 1.35 2.28 0.54 4.17 200mm thick m2 1.50 3.04 0.68 5.22

Unit Labour Hours Mat'ls O & P Total £ £ £ £

Precast concrete kerbs, splayed or battered, laid straight or curved to radius exceeding 12m

125 x 150mm m 0.40 6.00 10.12 2.42 18.54 125 x 150mm m 0.45 6.75 11.89 2.80 21.44 150 x 305mm m 0.50 7.50 13.25 3.11 23.86

Precast concrete kerbs, splayed or battered, laid straight or curved to radius not exceeding 12m

125 x 150mm m 0.40 6.00 10.12 2.42 18.54 125 x 150mm m 0.45 6.75 11.89 2.80 21.44 150 x 305mm m 0.50 7.50 13.25 3.11 23.86

£ £ £ £

Granular material in sub-base to road, depth

75mm m2 1.20 1.07 0.34 2.61 100mm m2 1.40 1.42 0.42 3.24 150mm m2 1.80 2.13 0.59 4.52 200mm m2 2.40 2.84 0.79 6.03 250mm m2 2.60 3.56 0.92 7.08

Lean concrete in road base, depth

100mm m2 1.40 7.55 1.34 10.29 150mm m2 1.80 11.33 1.97 15.10 200mm m2 2.40 15.10 2.63 20.13 250mm m2 2.60 18.88 3.22 24.70

Dense bitumen macadam road base, depth

75mm m2 4.10 4.74 1.33 10.17 100mm m2 6.50 6.32 1.92 14.74 150mm m2 1.80 2.13 0.59 4.52 200mm m2 2.40 2.84 0.79 6.03

Rolled asphalt base course, depth

50mm m2 5.61 3.55 1.37 10.53 75mm m2 8.36 4.92 1.99 15.27

£ £ £ £

Dense tar surfacing weraring course, depth

25mm m2 2.94 2.32 0.79 6.05 50mm m2 4.22 3.88 1.22 9.32

Cold asphalt wearing course, depth

15mm m2 4.21 1.30 0.83 6.34 25mm m2 5.22 2.04 1.09 8.35

Rolled asphalt wearing course, depth

30mm m2 4.21 2.93 1.07 8.21 50mm m2 5.22 4.70 1.49 11.41

Concrete, designed mix grade 30, 20 mm aggregate, depth

100mm m2 3.84 8.20 1.81 13.85 150mm m2 7.60 12.30 2.99 22.89 200mm m2 9.77 16.40 3.93 30.10 250mm m2 10.44 20.48 4.64 35.56 300mm m2 11.63 24.58 5.43 41.64 400mm m2 13.28 32.77 6.91 52.96

Steel fabric reinforcement to BS 4483

ref A142, weight 2.26kg/m2 m2 2.90 1.36 0.64 4.90 ref A193, weight 3.02kg/m2 m2 4.88 1.78 1.00 7.66 ref C503, weight 4.34kg/m2 m2 6.70 2.72 1.41 10.83 ref C636, weight 5.55kg/m2 m2 7.65 3.44 1.66 12.75

£ £ £ £

Waterproof membrane below concrete slab

plastic sheeting, 250 micron m2 0.10 1.50 0.50 0.30 2.30 plastic sheeting, 500 micron m2 0.10 1.50 0.50 0.30 2.30

Longitudinal joints, depth

150mm m 0.16 2.40 27.10 4.43 33.93 200mm m 0.16 2.40 29.54 4.79 36.73 250mm m 0.16 2.40 32.88 5.29 40.57 300mm m 0.16 2.40 32.47 5.23 40.10

Expansion joints, depth

150mm m 0.16 2.40 33.56 5.39 41.35 200mm m 0.16 2.40 36.68 5.86 44.94 250mm m 0.16 2.40 39.00 6.21 47.61 300mm m 0.16 2.40 42.37 6.72 51.49

Contraction joints, depth

150mm m 0.16 2.40 17.55 2.99 22.94 200mm m 0.16 2.40 19.64 3.31 25.35 250mm m 0.16 2.40 22.57 3.75 28.72 300mm m 0.16 2.40 25.67 4.21 32.28

Construction joints, depth

150mm m 0.16 2.40 16.22 2.79 21.41 200mm m 0.16 2.40 17.88 3.04 23.32 250mm m 0.16 2.40 20.22 3.39 26.01 300mm m 0.16 2.40 20.88 3.49 26.77

£ £ £ £

Vitrified clay road gulley surrounded with concrete, two courses of brickwork, and cast iron grating

450 x 750mm m 1.20 18.00 128.36 21.95 168.31 450 x 900mm m 1.20 18.00 132.55 22.58 173.13 450 x 1050mm m 1.20 18.00 138.97 23.55 180.52 450 x 915mm m 1.20 18.00 370.55 58.28 446.83

Concrete road gulley surrounded with concrete, two courses of brickwork, and cast iron grating

450 x 750mm m 1.20 18.00 136.46 23.17 177.63 450 x 900mm m 1.20 18.00 128.69 22.00 168.69 450 x 1050mm m 1.20 18.00 133.53 22.73 174.26 450 x 915mm m 1.20 18.00 145.65 24.55 188.20

Unit Plant Mat'ls O & P Total £ £ £ £

Concrete pipes, Class L, with flexible joints, nominal bore

300mm, depth

1.5 2m m 34.55 13.60 7.22 55.37 2 2.5m m 36.56 13.60 7.52 57.68 2.5 3m m 38.14 13.60 7.76 59.50

£ £ £ £

450mm, depth

1.5 2m m 38.14 20.34 8.77 67.25 2 2.5m m 40.22 20.34 9.08 69.64 2.5 3m m 44.85 20.34 9.78 74.97

600mm, depth

1.5 2m m 58.76 32.20 13.64 104.60 2 2.5m m 66.00 32.20 14.73 112.93 2.5 3m m 73.20 32.20 15.81 121.21

Concrete pipe fittings, nominal bore 300mm bends, 45 degrees nr 11.58 114.51 18.91 145.00 junctions nr 14.38 88.49 15.43 118.30

450mm bends, 45 degrees nr 14.46 168.55 27.45 210.46 junctions nr 20.32 114.56 20.23 155.11

600mm bends, 45 degrees nr 18.37 384.25 60.39 463.01 junctions nr 28.57 114.56 21.47 164.60