ABSTRACT
Weights of materials
Ashes
Ballast
Chalk
Clay
Flint
Gravel
Hardcore
Hoggin
Lime, ground
Sand
Water
Shrinkage of deposited materials
Clay
Gravel
Sandy soil
kg/m3
%
7.5
+40
dry 42 moist 38
These figures relate to working in normal conditions. Reduce by 25% for light duties and increase by 50% for heavy duties.