Page 78 - Industrial Process Plant Construction Estimating and Man Hour Analysis

Process piping Chapter 2 49

2.7.1 Welding, carbon steel, and socket weld
Facility—Industrial plant

Man-hour per SW
Socket welds

Pipe size (inches) Schedule 40 and 80 Schedule 100 and greater
0.5 1.2 1.3
0.75 1.2 1.3
1 1.3 1.4
1.5 1.4 1.6
2 1.5 1.8
Includes place and fit up.

2.7.2 Hydrostatic testing
Facility—Industrial plant

Man-hours per lineal foot
Wall thickness in inches
Pipe
00
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
0.5 0.022 0.028 0.034 0.042 0.060
0.75 0.022 0.028 0.034 0.042 0.060
1 0.022 0.028 0.034 0.042 0.060
1.5 0.022 0.028 0.034 0.042 0.060
2 0.022 0.028 0.034 0.042 0.060
2.5 0.021 0.027 0.033 0.042 0.060
3 0.025 0.032 0.040 0.050 0.072
4 0.034 0.043 0.053 0.067 0.096
6 0.050 0.065 0.079 0.101 0.144
8 0.067 0.086 0.106 0.134 0.192
10 0.084 0.108 0.132 0.168 0.240
12 0.101 0.130 0.158 0.202 0.288
14 0.118 0.151 0.185 0.235 0.336
16 0.134 0.173 0.211 0.269 0.384
18 0.151 0.194 0.238 0.302 0.432
20 0.168 0.216 0.264 0.336 0.480
24 0.202 0.259 0.317 0.403 0.576
Man-hours to place/remove blinds, open/close valves, removal/replacement of valves and specialty items
and pipe sections as required, and drain lines after testing.