well if a 30 meter square base can cost about £800 as quoted above, snap his hand off,
Originally Posted by
Garage19
Stu,
Concrete is approx £100 m3.
so based on £100 per square meter, 30 meter square, by 4 inch's thick, you'll need 90 square meters.
http://www.source4me.co.uk/calculate...d_concrete.htm
use the link above to calculate