King county surface water design manual 1990

King County, Washington. Pursuant to King County Council adoption of Ordinance , the Department of Natural Resources and Parks adopted a public rule revising the King County Surface Water Design Manual (SWDM). In accordance with King County Code, Chapter , Rules of County Agencies, this public rule was adopted on January 9, This is not the latest version of the SWDM. Pursuant to King County Council adoption of Ordinances , , (otherwise known as the Critical Areas Ordinance, Stormwater Ordinance, and Clearing and Grading Ordinance), the Department of Natural Resources and Parks adopted public rules for revising the King County Surface Water Design Manual . King County’s Surface Water Design Manual (), for example, provides specific procedures and a nomograph, developed by the U.S. Army Corps of Engineers (Corps), for computing the median stone size based on flow velocity. The manual then cautions the user that, “If the rip rap [specified using this methodology] is to.

It expands the existing service area, the western, urbanized 1/3 of unincorporated King County, with the inclusion of the Middle Cedar River Drainage Basin. Surface Water Design Manual Mark Wilgus This manual contains the design requirements for stormwater control facilities and BMPs for development projects in unincorporated King County. Pursuant to King County Council adoption of Ordinance , the Department of Natural Resources and Parks adopted a public rule revising the King County Surface Water Design Manual (SWDM). In accordance with King County Code, Chapter , Rules of County Agencies, this public rule was adopted on March 25 th, The Department of Natural Resources and Parks has adopted a public rule (PUT ) revising the King County Surface Water Design Manual (SWDM). In accordance with King County Code, Chapter , Rules of County Agencies and Executive Policy INF EP “Drafting and Implementing Rules”, this public rule was adopted J.

1 Sep KING COUNTY, WASHINGTON, SURFACE WATER DESIGN MANUAL 66 Approximately 3% of wetlands in the sensitive areas inventory are either. 7 Nov Stormwater Management Manual for Western the previously adopted King County Surface Water Design Manual. Stormwater-related Site Procedures and Design Guidance for Bioretention and by the Department of Ecology: MGS Flood and KCRTS (King County.