Clause 804
Clause 804(less dust than screenings) has a whole range of versatile uses. It is sold lose by the tonne.
Blocks
Quarry Products
Drainage stone-small smooth rounded stone
Regular sized blocks used for most building jobs.
2" clean medium sized stone
Bags
An empty small bag.
Gravel
Screenings-Very dusty gravel
A tonne bag of sand.
Aggregate mix
Regular 4" block with a 90 degree offset.
Concrete block that weighs one tonne.
Regular 4" block with a 30 degree offset.