Page 74 - Industrial Process Plant Construction Estimating and Man Hour Analysis
P. 74
Process piping Chapter 2 45
2.5.6 Field bolt up of flanged joints by weight class
Facility—Solar power plant
Man-hour per joint
Pressure rating
Pipe size 150#/300# 600#/900# 1500#/2500#
0.5 1.00 1.20 1.60
0.75 1.00 1.20 1.60
1 1.00 1.20 1.60
1.5 1.00 1.20 1.60
2 1.00 1.20 1.60
2.5 1.00 1.25 1.63
3 1.20 1.50 1.95
4 1.60 2.00 2.60
6 2.40 3.00 3.90
8 3.20 4.00 5.20
10 4.00 5.00 6.50
12 4.80 6.00 7.80
14 5.60 7.00 9.10
16 6.40 8.00 10.40
18 7.20 9.00 11.70
20 8.00 10.00 13.00
24 9.60 12.00 15.60
Man-hours per joint to bolt-up valves, expansion joints, flanged fittings, and spools.
