Steep reinforced slopes chapter 730

Chapter 730 Retaining Walls and Steep Reinforced Slopes

Chapter 730 Retaining Walls and Steep Reinforced Slopes WSDOT Design Manual M 22-01.20 Page 730-4 September 2021 Provide a traffic barrier shape at the base of a new retaining wall constructed 12 feet or less from the edge of the nearest traffic lane. The traffic barrier shape is optional at the base of the new portion when an existing

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