What is the cost for a retaining wall, 41 feet long and 24 inches high?
We need some strength to prevent soil erosion. The backyard slopes towards a ravine. I assume we will need drain tiles and gravel?
Linda,
Do you want it with concrete block, solid concrete?
How stable is your earth currently? Will it need tiebacks?
How deep do you need to excavate till mineral soil. (is it solid organic, black humas, the full depth you are trying to retain?)
Concrete block is quite standard per square foot, but the footing prep is what is your largest variable
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