Page 83 - Industrial Process Plant Construction Estimating and Man Hour Analysis

54 Industrial Process Plant Construction Estimating and Man-Hour Analysis

2.8.3 Handle and install pipe, concrete, and vitrified clay
2.8.3.1 Facility—Industrial plant (underground drainage piping)

Vitrified clay pipe Concrete pipe
Pipe size Pipe set and align Make-on Pipe set align Cement poured joint
Inches MH/LF MH/JT MH/LF MH/JT

4 0.08 0.32 0.07 0.24
6 0.12 0.48 0.11 0.36
8 0.16 0.64 0.14 0.48
10 0.20 0.80 0.18 0.60
12 0.24 0.96 0.22 0.72
12 0.24 0.96 0.22 0.72
16 0.32 1.28 0.29 0.96
18 0.36 1.44 0.32 1.08
20 0.40 1.60 0.36 1.20
24 0.48 1.92 0.43 1.44
30 0.60 2.40 0.54 1.80
36 0.72 2.88 0.65 2.16
42 0.84 3.36 0.76 2.52
48 0.96 3.84 0.86 2.88
60 1.20 4.80 1.08 3.60
Pipe man-hours include handle, haul, place, and align in trench.

2.8.4 Pipe trench—Machine, hand excavation, backfill, and
sand bedding

Pipe trench—machine and hand excavation
Facility—industrial plant (underground drainage piping)
Machine excavation MH/CY
Trench excavation—backhoe 1 CY bucket 0.15
Trench excavation—backhoe 3/4 CY bucket 0.20
Trench excavation—backhoe 1/2 CY bucket 0.25
Hand excavation
Trench excavation—hand (to 4 deep) 2.40
0
Pipe trench—backfill and compaction, loader and compactors, and hand and compactors
Backfill and compaction MH/CY
Backfill and compaction—loader and compactors 0.60
Backfill and compaction—hand and compactors 3.40
Pipe trench—sand bedding and shading with loader
MH/CY
Sand bedding and shading with loader 0.40
Pipe trench—shoring and bracing trenches
Shoring (place/remove) MH/SF
Laborer 5.50
Carpenter 3.00