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When do Retaining Walls Require Permits and Engineering?

April 26, 2017Engineering permits require retaining walls

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When do Retaining Walls Require Permits and Engineering?

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Retaining Wall Requirements ALL RETAINING WALLS REQUIRE PERMITS Masonry, Concrete, or Premanufactured Stacked Block Type Retaining Walls: • Engineering is required on retaining walls when: • Walls are subject to hydrostatic pressure from groundwater; or • Walls are supporting more than 48″ of unbalanced backfill; or • The premanufactured block manufacturer requires it for the specific site conditions.

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Retaining Wall Requirements ALL RETAINING WALLS REQUIRE PERMITS Masonry, Concrete, or Prefabricated Stacked Block Type Retaining Walls: • Engineering is required on retaining walls when: • Walls are subject to hydrostatic pressure from groundwater; or • Walls are supporting more than 48″ of unbalanced backfill; or • The prefabricated block manufacturer requires it for the specific site conditions.