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February 2021 - BES 2020 Stormwater Management Manual (SWMM)

2021-02-26 23:56:18| PortlandOnline

The City of Portland 2020 Stormwater Management Manual (SWMM) became effective Dec. 14, 2020. Until April 6, 2021, project designers can use either the 2016 SWMM or the 2020 SWMM. Starting April 7, 2021, all projects must meet 2020 SWMM requirements. Mor

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SWMM and PAC Information Session Question Summary

2020-06-13 02:16:56| PortlandOnline

PDF Document, 379kbCategory: Learn more about the changes

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Guidance on CC2035 Ecoroof Requirements and the SWMM

2019-09-20 19:01:25| PortlandOnline

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Stormwater Management Manual (SWMM)

2018-08-02 18:13:22| PortlandOnline

Clarifications for Partial-Coverage Ecoroofs

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Guidance on CC2035 Ecoroof Requirements and the SWMM

2018-07-16 17:42:13| PortlandOnline

PDF Document, 610kbCategory: Additional Information

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