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(T ) <br /> lierracon <br /> PROJECT: Staples Replacement Retaining Wall Page 4 of 16 <br /> JOB NO. 81175122 Date 3/12/2019 Comp. By ZLK, FSM CHECKED BY: RDL <br /> IL______ ___ — J <br /> Temporary Lagging: <br /> Per 2018 WSDOT Design Specifications <br /> Soil Type' ' Exposede' "'Minimum Thickness of Rough Cut Lagging for Clear Spans of: <br /> Wall(ft) ight 6 +t 6f ? ft 8f gft 10 ft <br /> A 0 - 25 2-inches 3-inches 3-inches 3-inches 4-inches 4-inches <br /> >25 - 60 3-inches 3-inches 3-inches 4-inches 4-inches 5-inches <br /> B 0 - 25 3-inches 3-inches 3-inches 4-inches 4-inches 5-inches <br /> >25 - 60 3-inches 3-inches 4-inches 4-inches 5-inches inches <br /> C:: 0 - 15 3-inches 3-inches 4-inches 5-inches (2) (2) <br /> >15 - 25 3-inches 4-inches 5-inches 5-inches (1' (2) <br /> >25 - 15 4-inches 5-inches 6-inches (2) (4 (2) <br /> 4 inch lagging boards for all soil types --> OK <br /> l <br /> Form 112-5-93 <br />