Highway runoff manual

The Highway Runoff Manual was developed to direct stormwater management for existing and new state highways, rest areas, park and ride lots, and ferry terminals. Barrier Guide for Low Volume and Low Speed Roads. Construction Manual. Design Visualization Guide. ERFO Manual. Field Materials Manual. PDDM - the Project Development and Design Manual (PDDM) details the pre-construction process culminating in the final PSE package. Specifications Procedures. Specifications Writers Guide.  · Hydraulics - Highway Runoff Manual - Additional Guidance Who maintains the Highway Runoff Manual (HRM)? The Headquarters Environmental Services Office Stormwater and Watersheds Program and Headquarters Hydraulics Section are jointly responsible for revision.

The Highway Runoff Manual (HRM) is WSDOT’s primary source of stormwater planning and design requirements for highway-related work. The HRM Training Workshop is a certification course that is for WSDOT, local agencies, and consultants who do stormwater work on WSDOT Right of Way. Highway Runoff Manual (HRM). All BMPs referenced in Category 1 that are not included herein can be found in Chapter 5, Section , of the HRM. Highway Design Manual July 1, way, flow capacity requirements, and the alignment and profile of the highway. Most roadside channels capture sheet flow from the highway pavement and cut slope and convey that runoff to larger channels or to culverts within the drainage system. See Figure Figure

Available in the National Library of Australia collection. Format: Book, Microform; 1 v. (various pagings): ill., forms ; 28 cm. 14 មិថុនា Connecticut, Connecticut Stormwater Manual Washington, Highway Runoff Manual, Washington State Department of Transportation, Section RT Bioretention Area, Chapter 5, Highway Runoff Manual, Washington State. Department of Transportation, February