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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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question
summary
session
Guidance on CC2035 Ecoroof Requirements and the SWMM
2019-09-20 19:01:25| PortlandOnline
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requirements
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Stormwater Management Manual (SWMM)
2018-08-02 18:13:22| PortlandOnline
Clarifications for Partial-Coverage Ecoroofs
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manual
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stormwater management
Guidance on CC2035 Ecoroof Requirements and the SWMM
2018-07-16 17:42:13| PortlandOnline
PDF Document, 610kbCategory: Additional Information
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requirements
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swmm