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2012 Bioretention Design Training

2012 Bioretention Design Training. Central Coast Low Impact Development Initiative (LIDI). Module 1: Welcome and Intro. Darla Inglis, PhD Central Coast LIDI. Impacts of Urbanization. Maryland Dept. of the Environment. Conventional Stormwater Management: Peak Management.

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2012 Bioretention Design Training

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  1. 2012 Bioretention Design Training Central Coast Low Impact Development Initiative (LIDI)

  2. Module 1: Welcome and Intro Darla Inglis, PhD Central Coast LIDI

  3. Impacts of Urbanization Maryland Dept. of the Environment

  4. Conventional Stormwater Management: Peak Management

  5. Post-Construction Stormwater Control Requirements • California’s primary authority is under the Municipal Stormwater National Pollutant Discharge Elimination System (NPDES) Permits • Central Coast Regional Water Quality Control Board • Adopted September 6, 2012 • Implementation September 6, 2013 • Projects that have not received discretionary approval may be held to the new requirements

  6. Post-Construction Stormwater Control Requirements • Central Coast Requirements • Project Thresholds • 2,500/5,000/15,000/22,500 square feet of new and replaced impervious surface • Numeric Performance Requirements include on-site retention • Emphasis on use of Low Impact Development

  7. Low Impact Development • Volumes from small storms are • managed on-site • Mimic natural processes such as infiltration, storage, evapotranspiration • Achieved through site design AND decentralized structural practices • Bioretention usually the easiest and cheapest structural stormwater control measure

  8. Today’s Training • Providing information on proper bioretention design, construction, and maintenance • Resources used to build this training • Experience of team members • Updates and improvements to existing designs by expert technical team • Acknowledgement of variation (e.g., underdrain) • Trouble shooting • Future Training modules

  9. Module 2: Bioretention Area Siting and Design Andy Rowe, PE, LEED AP, QSD Cannon

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