ABSTRACT
Drains/sewers/culverts gang (small bore) 1 ganger/chargehand (skill rate 4) – 50% of time 1.00 8.86 – – - 8.86 1 skilled operative (skill rate 4) 1.00 16.70 – – - 16.70 2 unskilled operatives (general) 2.00 31.18 – – - 31.18 1 plant operator (skill rate 3) 1.00 20.02 – – - 20.02
Total Gang Rate/Hour 1.00 76.76 – – - 76.76 Drains/sewers/culverts gang (large bore)
1 ganger/chargehand (skill rate 4) – 50% of time 1.00 8.86 – – - 8.86 1 skilled operative (skill rate 4) 1.00 16.70 – – - 16.70 2 unskilled operatives (general) 2.00 31.18 – – - 31.18 1 plant operator (skill rate 3) 1.00 20.02 – – - 20.02 1 plant operator (skill rate 3) – 30% of time 0.30 6.01 – – - 6.01
Total Gang Rate/Hour 1.00 82.77 – – - 82.77 Gullies gang
1 ganger/chargehand (skill rate 4) – 50% of time 1.50 17.21 – – - 17.21 1 plant operator (skill rate 3) 1.00 20.02 – – - 20.02 2 unskilled operatives (general) 2.00 31.18 – – - 31.18
Total Gang Rate/Hour 1.00 68.41 – – - 68.41
RESOURCES – PLANT Drains/sewers/culverts gang (small bore)
0.4m3 hydraulic excavator – – 43.25 – - 43.25 2t dumper – 30% of time – – 2.40 – - 2.40 360mm compaction plate – 30% of time – – 1.38 – - 1.38 2.80m3/min compressor, 2 tool – 30% of time – – 3.03 – - 3.03 disc saw – 30% of time – – 0.32 – - 0.32 extra 15ft/50m hose – 30% of time – – 0.10 – - 0.10 small pump – 30% of time – – 1.28 – - 1.28
Total Rate/Hour – – 51.74 – - 51.74 Note: in addition to the above are the following allowances for trench struts/props/sheeting, assuming the need for close boarded earth support: – – – – - -
average 1.00m deep – – 5.20 – m 5.20 average 1.50m deep – – 5.82 – m 5.82 average 2.00m deep – – 6.12 – m 6.12 average 2.50m deep – – 6.26 – m 6.26 average 3.00m deep – – 8.99 – m 8.99 average 3.50m deep – – 11.10 – m 11.10
Note: excavation in hard materials as above but with the addition of breaker attachments to the excavator as follows: – – – – - -
generally : BRH91 (141kg) – – 4.00 – - 4.00 reinforced concrete; BRH125 (310kg) – – 7.91 – - 7.91
hours £ £ £ rate £
RESOURCES – PLANT – cont Drains/sewers/culverts gang (large bore – i.e. greater than 700mm bore)
0.4m3 hydraulic excavator – – 43.25 – - 43.25 2t dumper – 30% of time – – 2.40 – - 2.40 2.80m3/min compressor, 2 tool – 30% of time – – 3.03 – - 3.03 compaction plate/roller – 30% of time – – 1.38 – - 1.38 disc saw – 30% of time – – 0.27 – - 0.27 small pump – 30% of time – – 1.28 – - 1.28 10 t crawler crane – 30% of time – – 16.11 – - 16.11
Total Rate/Hour – – 67.71 – - 67.71 Gullies
2t dumper – 30% of time – – 2.40 – - 2.40 Stihl disc saw – 30% of time – – 0.27 – - 0.27
Total Rate/Hour – – 2.67 – - 2.67
RESOURCES – MATERIALS For the purposes of bedding widths for pipe bedding materials, trenches have been taken as exceeding 1.50m in depth; trenches to lesser depths are generally 150mm narrower than those given here so that the rates need to be reduced proportionately.
