Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 ...

To determine the depth, divide the total retaining wall height (in inches) by 8. So, if you're planning to build a 4-foot retaining wall, convert 4 feet to inches (4 times 12) to get 48 inches.

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Compact excavators are ideal for loading and unloading trucks with jobsite debris, base materials, decorative rocks, and retaining wall blocks – all things you will likely encounter when it ...