Block dimensions:12″HIGH X 17″LONG X 4″THICK
Blocks
A much bigger block with a cavity/hole going through the center.
Quarry Products
Plastering sand
Bags
An empty small bag.
Chips
3/8" Chips. Very small stones
Concrete block that weighs one tonne.
Regular sized blocks used for most building jobs.
A tonne bag of sand.
Drainage stone-small smooth rounded stone
The bigger thicker blocks up from the 4"
Small empty heavy duty sand bag.
Gravel
Clause 804