WebGravel Wetland Design Specifications Page 6 of 10 Stormwater Manual - City of South Portland, Maine www.southportland.org Berms and weirs separating the forebay and treatment cells should be constructed with clay, or non‐conductive soils, and/or a fine geotextile, or some combination thereof, to WebCity of Portland Stormwater Management Manual—August 2016 B-3 Appendix B: Recommended Guidance for Culverts and Outfalls (ODFW 1999), and the Washington Department of Fish and Wildlife Design of Road Culverts for Fish Passage (WDFW 2003). • Permits from the US Army Corps of Engineers and the Oregon Division of State Lands may …
Stormwater manuals - Washington State Department of Ecology
WebAbout the position within Industrial Stormwater (ISW) Section The Industrial Stormwater team prevents and minimizes pollution in stormwater discharges and controls non-stormwater discharges from ... Webcurrent version of the City of Portland Stormwater Management Manual on the date of permit submittal. DRAINAGE RESERVES This O&M Form supersedes document number … easter monday 2008
Port of Portland - Environmental - Stormwater Management
The manual provides policy and design requirements that govern stormwater management. All development, redevelopment, and improvement projects within Portland on private and public property and in the public right-of-way must meet SWMM requirements. The Bureau of Environmental Services … See more Design details and CADD support are provided for the construction of stormwater management facilities as specified by the 2024 … See more Find 2024 SWMM plant lists, specifications, vendor information, and options for maintaining a public works permitted project. 1. Download PDF fileSoil Specification Information126.93 KB 2. Download PDF … See more Download a fillable PDF of 2024 SWMM forms to apply for tree credit work in the right-of-way, size stormwater facilities using the simplified approach, develop operations and … See more The Presumptive Approach Calculator (PAC)allows design professionals to enter catchment area characteristics and facility details for planters, basins, and green streets. The PAC … See more WebPort of Portland 7200 N.E. Airport Way Portland, OR 97218 Email Us 1.800.547.8411 or 503.415.6000. Additional Contact Info. Mailing Address: P.O. Box 3529 Portland, OR 97208-3529 Public Records Request WebFeb 20, 2024 · Starting Monday, February 25th, the Portland Bureau of Environmental Services will close North Vancouver Avenue from Russell to Hancock. The closure is part of the Eliot Sewer and Stormwater Project that’s giving a much-needed upgrade to about 10,000 feet of century-old sewer pipes in the southern section of the Boise-Eliot … easter mondat 2023