Page 57 - Industrial Process Plant Construction Estimating and Man Hour Analysis

28 Industrial Process Plant Construction Estimating and Man-Hour Analysis

2.3.3 Welding—SOL, TOL, and WOL
Facility—Oil refinery

Man-hours per SOL, TOL, and WOL
Wall thickness in inches
Pipe
size Up to 0.375 00 0.406 –0.500 00 0.562 –0.688 00 0.718 –0.938 00 1.031 –1.219 00
00
00
00
00
0.5 2.00 2.30 3.80 4.50 5.20
0.75 2.00 2.30 3.80 4.50 5.20
1 2.00 2.30 3.80 4.50 5.20
1.5 2.00 2.30 3.80 4.50 5.20
2 2.00 2.30 3.80 4.50 5.20
2.5 2.25 2.50 4.75 5.50 6.75
3 2.70 3.00 5.70 6.60 8.10
4 3.60 4.00 7.60 8.80 10.80
6 5.40 6.00 11.40 13.20 16.20
8 7.20 8.00 15.20 17.60 21.60
10 9.00 10.00 19.00 22.00 27.00
12 10.80 12.00 22.80 26.40 32.40
14 12.60 14.00 26.60 30.80 37.80
16 14.40 16.00 30.40 35.20 43.20
18 16.20 18.00 34.20 39.60 48.60
20 18.00 20.00 38.00 44.00 54.00
24 21.60 24.00 45.60 52.80 64.80
SOL, TOL, and WOL welds; two times BW (includes cut, prep, and fit up).
Wall thickness of the pipe used for weld determines man-hours that will apply.
Apply percentages for welding alloys and nonferrous welds.