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Recent content by irishman77

  1. irishman77

    Trench Backfill With Lime Modified Soils

    Our local ordinance specifies a 12 inch soil cap for trench backfill over storm/sanitary sewers due to the requirement of lime modified soils. Our state sewer specifications do not address lime modified soils, but specify select granular backfill (sand), mechanically compacted in 6 in. lifts...

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