Page 81 - Industrial Process Plant Construction Estimating and Man Hour Analysis

52 Industrial Process Plant Construction Estimating and Man-Hour Analysis

2.8 Schedule K—Underground drainage piping for industrial
plants

Standard labor estimating units
Facility—industrial plant (underground drainage piping)
Description Unit of measure
Man-hours per unit
Cast iron—lead and mechanical joint Diameter inch-feet

Handle and install pipe 0.03
0
Handle and install fittings 3 Fitting
MH/dia in
Lead and mechanical joints 0.20
Diameter inch-feet
Cast iron soil—no hub
Handle and install pipe 0.025
0
Handle and install fittings 3 Fitting
MH/dia in
Couplings 0.10
Pipe trench
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
Trench excavation—hand (to 4 deep) 2.40
0
Backfill and compaction—loader and compactors 0.60
Backfill and compaction—hand and compactors 3.40
Sand bedding and shading with loader 0.40
Shoring (place/remove) MH/SF
Laborer 5.50
Carpenter 3.00
Diameter inch-feet
Vitrified clay pipe 0.02
Make-ons 0.08
Concrete pipe 0.018
Cement poured Jt 0.06