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15.21 cubic yards 1369 40lb bags 913 60lb bags and only 685 of the 80lb bags.
What size bags of concrete and how big are the bricks? Makes a difference.
68
How deep? 1 inch will take .7 yards
15 cubic yards
15 cubic yards
8.25 cubic yards of concrete
Less than one.
roughly 2900 bags of 80Lbs. bags. (would actually make 64.4 Yds cube better to get trucks and pumper each truck canaries one truck carries about 8-9 Cubic yards
It is about 166.67 cubic feet and you will need just over 6.17 cubic yards of concrete.
151/9 cubic yards for every 12 inches thick
You will need a minimum of 39.51 Cubic Yards.