Task / Description Slow   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 cycle 30.0  48.0  59.0   m3/hr
 Crane Mounted Clamshell Grab, 2.0m3 bucket 2.9min lift cycle 25.0  33.0  41.0   m3/hr
 Crane Mounted Clamshell Grab, 2.5m3 bucket 2.9min lift cycle 34.0  42.0  52.0   m3/hr
 Hydraulic Excavator, 0.3m3 bucket, Sand/Soil 6.9  8.7  10.2   m3/hr
 Hydraulic Excavator, 0.4m3 bucket, Sand/Soil 23.4  28.6  33.4   m3/hr
 Hydraulic Excavator, 0.5m3 bucket, Sand/Soil 45.5  50.0  58.0   m3/hr
 Hydraulic Excavator, 0.3m3 bucket, Gravel Beds 5.6  7.1  8.2   m3/hr
 Hydraulic Excavator, 0.4m3 bucket, Gravel Beds 20.5  25.0  29.0   m3/hr
 Hydraulic Excavator, 0.5m3 bucket, Gravel Beds 36.8  40.0  46.0   m3/hr
 Hydraulic Excavator, 0.3m3 bucket, Clay/Chalk 5.6  7.1  8.3   m3/hr
 Hydraulic Excavator, 0.4m3 bucket, Clay/Chalk 20.5  25.0  28.7   m3/hr
 Hydraulic Excavator, 0.5m3 bucket, Clay/Chalk 37.0  40.0  46.0   m3/hr
 Hydraulic Excavator, 0.3m3 bucket, Hard Ground 4.5  6.1  7.2   m3/hr
 Hydraulic Excavator, 0.4m3 bucket, Hard Ground 17.9  22.2  25.0   m3/hr
 Hydraulic Excavator, 0.5m3 bucket, Hard Ground 25.7  28.6  32.9   m3/hr

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