WebCity of Portland, Oregon Portland.gov WebCity of Portland Stormwater Management Manual— August 2016 2-223 Chapter 2: Stormwater Facility and Conveyance Design, Submittal Requirements . intervals for a total period of 1 hour (or 20-minute intervals for 2 hours in slower draining soils) or until all of the water has drained. In faster draining soils (sands
Stormwater Management Plan - Portland, Oregon
WebJul 25, 2024 · Services Stormwater Management Manual. The manual requires 70 percent removal of total suspended solids from 90 percent of the average annual runoff. A site may achieve this level of removal by many different means. For more details, please refer to the 2016 Portland Stormwater Manual at: 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 how far is the distance
February 20, 2024 – BikePortland
WebWorking in the water group in Parametrix's Portland Office, I'm involved in an interesting variety of projects throughout Oregon and Washington. Recent … 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 … WebThe City of Portland ordains: Section 1. The Council finds: The Council adopted Resolution No. 37611 on February 22, 2024, declaring its intent to initiate local improvement district formation proceedings and establishing the name of the local improvement district as the NW Reed Drive Local Improvement District (“LID”). highcharts events