Page 209 - Estimators Piping Man Hour Manual

192 Section Five—UNDERGROUND PIPING

HAND EXCAVATION

NET LABORER MAN HOURS PER CUBIC YARD

First Second Third
Soil Excavation Lift Lift Lift

General Dry 1.07 1.42 1.89
Light General Wet 1.60 2.13 2.83
Special Dry 1.34 1.78 2.37

General Dry 1.60 2.13 2.83
Medium General Wet 2.14 2.85 3.79
Special Dry 1.07 2.49 3.31

General Dry 2.67 3.55 4.72
Hard or Heavy General Wet 3.21 4.27 5.68

Special Dry 2.94 3.91 5.20

General Dry 3.74 4.97 6.61
Hard Pan General Wet 4.28 5.69 7.57
Special Dry 4.01 5.33 7.09

Man hours include picking and loosening where necessary and placing on bank out of way of ex-
cavation or loading into trucks or wagons for hauling away. Man hours do not include hauling
or unloading.