Page 79 - Industrial Process Plant Construction Estimating and Man Hour Analysis

50 Industrial Process Plant Construction Estimating and Man-Hour Analysis

2.7.3 Cut and prep weld joint
Facility—Industrial plant

Man-hours per joint
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 0.00 0.00 0.00 0.00 0.00
0.75 0.00 0.00 0.00 0.00 0.00
1 0.00 0.00 0.00 0.00 0.00
1.5 0.00 0.00 0.00 0.00 0.00
2 0.00 0.00 0.00 0.00 0.00
2.5 0.38 0.45 0.50 0.58 0.68
3 0.45 0.54 0.60 0.69 0.81
4 0.60 0.72 0.80 0.92 1.08
6 0.90 1.08 1.20 1.38 1.62
8 1.20 1.44 1.60 1.84 2.16
10 1.50 1.80 2.00 2.30 2.70
12 1.80 2.16 2.40 2.76 3.24
14 2.10 2.52 2.80 3.22 3.78
16 2.40 2.88 3.20 3.68 4.32
18 2.70 3.24 3.60 4.14 4.86
20 3.00 3.60 4.00 4.60 5.40
24 3.60 4.32 4.80 5.52 6.48

2.7.4 PVC piping
Facility—Industrial plant

Handle pipe Solvent joint Valve handling Bolt up MH/joint
Pipe
size MH/LF MH/joint 150#/300# C.V./SP. 150#/300#
0.5 0.12 0.35 0.40 0.80 1.00
0.75 0.12 0.35 0.40 0.80 1.00
1 0.12 0.35 0.40 0.80 1.00
1.5 0.12 0.35 0.40 0.80 1.00
2 0.12 0.35 0.40 0.80 1.00
2.5 1.88 0.38 0.63 1.25 1.00
3 2.25 0.45 0.75 1.50 1.20
4 3.00 0.60 1.00 2.00 1.60
6 4.50 0.90 1.50 3.00 2.40
8 6.00 1.20 2.00 4.00 3.20
10 7.50 1.50 2.50 5.00 4.00
12 9.00 1.80 3.00 6.00 4.80
Erect pipe man-hours include all labor to unload, store in lay down, haul, rig, and align in place.
Solvent joints include cut, square, ream, fit up, and make joint.
Handle valves—man-hours include field handling and erection of valves.