Page 71 - Industrial Process Plant Construction Estimating and Man Hour Analysis

42 Industrial Process Plant Construction Estimating and Man-Hour Analysis

2.5.3 Welding—SOL, TOL, and WOL
Facility—Solar power plant

Man-hour Per SOL, TOL, and WOL
Wall thickness in inches
Pipe
size 0.375 or less 0.406 –0.500 00 0.562 –0.688 00 0.718 –0.938 00 1.031 –1.219 00
00
00
00
00
00
0.5 2.20 2.40 4.40 4.90 5.40
0.75 2.20 2.40 4.40 4.90 5.40
1 2.20 2.40 4.40 4.90 5.40
1.5 2.20 2.40 4.40 4.90 5.40
2 2.20 2.40 4.40 4.90 5.40
2.5 2.50 2.75 5.25 6.00 7.25
3 3.00 3.30 6.30 7.20 8.70
4 4.00 4.40 8.40 9.60 11.60
6 6.00 6.60 12.60 14.40 17.40
8 8.00 8.80 16.80 19.20 23.20
10 10.00 11.00 21.00 24.00 29.00
12 12.00 13.20 25.20 28.80 34.80
14 14.00 15.40 29.40 33.60 40.60
16 16.00 17.60 33.60 38.40 46.40
18 18.00 19.80 37.80 43.20 52.20
20 20.00 22.00 42.00 48.00 58.00
24 24.00 26.40 50.40 57.60 69.60
SOL, TOL, and WOL welds; two times BW (includes cut, prep, and fit up).
Wall thickness of the pipe used for olet determines man-hours that will apply.
Apply percentages for welding alloys and nonferrous welds.