Bulk Excavation
Task / DescriptionSlow Ave Fast Units Excavation Bulking Factor, Sand/Soil- 15.0 20.0 % Excavation Bulking Factor, Gravel- 33.0 - % Excavation Bulking Factor, Clay/Chalk- 40.0 - % Excavation Bulking Factor, Boulder Clay- 45.0 - % Excavation Bulking Factor, Rock- 60.0 - % Spoil Weight, Rock- 2.5 - Tonnes/m3 Spoil Weight, Concrete- 2.4 - Tonnes/m3 Spoil Weight, Landfill/CDG- 1.9 - Tonnes/m3 Spoil Weight, Sand- 1.8 - Tonnes/m3 Rail Mounted Grab, 2.0m3 bucket 2.4min lift cycle30.0 48.0 59.0 m3/hr Crane Mounted Clamshell Grab, 2.0m3 bucket 2.9min lift cycle25.0 33.0 41.0 m3/hr Crane Mounted Clamshell Grab, 2.5m3 bucket 2.9min lift cycle34.0 42.0 52.0 m3/hr Hydraulic Excavator, 0.3m3 bucket, Sand/Soil6.9 8.7 10.2 m3/hr Hydraulic Excavator, 0.4m3 bucket, Sand/Soil23.4 28.6 33.4 m3/hr Hydraulic Excavator, 0.5m3 bucket, Sand/Soil45.5 50.0 58.0 m3/hr Hydraulic Excavator, 0.3m3 bucket, Gravel Beds5.6 7.1 8.2 m3/hr Hydraulic Excavator, 0.4m3 bucket, Gravel Beds20.5 25.0 29.0 m3/hr Hydraulic Excavator, 0.5m3 bucket, Gravel Beds36.8 40.0 46.0 m3/hr Hydraulic Excavator, 0.3m3 bucket, Clay/Chalk5.6 7.1 8.3 m3/hr Hydraulic Excavator, 0.4m3 bucket, Clay/Chalk20.5 25.0 28.7 m3/hr Hydraulic Excavator, 0.5m3 bucket, Clay/Chalk37.0 40.0 46.0 m3/hr Hydraulic Excavator, 0.3m3 bucket, Hard Ground4.5 6.1 7.2 m3/hr Hydraulic Excavator, 0.4m3 bucket, Hard Ground17.9 22.2 25.0 m3/hr Hydraulic Excavator, 0.5m3 bucket, Hard Ground25.7 28.6 32.9 m3/hr