ABSTRACT
NOTES Fittings on pipes shown with the appropriate pipe in Class I
RESOURCESLABOUR
Fittings and valves gang
1 ganger/chargehand (skill rate 4)— 50% of time
5.33
1 skilled operative (skill rate 4)
10.16
2 unskilled operatives (general)
19.04
1 plant operator (skill rate 3)
12.38
Total Gang Rate/Hour
£ 46.91
RESOURCESPLANT
Fittings and valves
1.0 m3 hydraulic backacter
26.60
disc saw-30% of time
0.36
2.80 m3/min compressor, 2 tool-30% of time
1.14
2t dumper-30% of time
0.96
compressor tools, extra 50 ft/15 m hose-30% of time
0.07
small pump-30% of time
0.49
sundry tools-0.27
VALVES AND PENSTOCKS
Valves Non-return valves; cast iron; single door; tidal flap
250 mm 0.40 21.24 5.98 216.43 nr 243.65 350 mm 0.40 18.76 5.98 394.91 nr 419.65 450 mm 0.70 32.84 5.98 514.21 nr 553.02 600 mm – – 8.98 818.52 nr 827.50 800 mm 0.75 35.18 10.46 1530.00 nr 1575.64 Penstocks; cast iron; wall mounted; hand operated
250 mm 1.66 77.87 10.46 278.80 nr 367.13 350 mm 2.30 107.89 11.96 393.55 nr 513.40 450 mm 2.90 136.04 13.46 486.20 nr 635.70 600×600 mm 5.40 253.31 23.91 785.40 nr 1062.63 1000×1000 mm 9.00 422.19 44.85 1405.90 nr 1872.94
