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Field glossary

Surcharge

A load near the edge, such as spoil or equipment, that pushes the trench wall toward failure

Used across 4 Anvilfield field guides, most in Plumbing.

Also defined as

  • Landscaping: Any extra load within the failure zone, a slope, driveway, pool, footing, or upper tier, that forces a designed wall
  • Landscaping: Any load above the wall (slope, driveway, pool, footing, upper tier) that adds to the push

Where this shows up

PlumbingTrench safety field guideLandscapingRetaining wall types and selectionPlumbingBackwater valve field guideLandscapingSegmental retaining wall build

Related terms

GeogridToe drainBackwater valveCombined sewerCompetent personEmbedmentSewage ejectorSlope ratio (H:V)

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