ALLEGHENY COUNTY, Pa. — One lane of a local road is shut down because a retaining wall is crumbling. People who live along Glenfield Road on the border between Aleppo and Sewickley told Channel 11 ...
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How to Build a Long-Lasting Block Retaining Wall
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 8 ...
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