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Section 6 – SWDR Development Process

Section 6 – SWDR Development Process. Sections – PID to PS&E SWDR - Long Form vs. Short Form Sections of the SWDR SWDR – Required Attachments Information Handout and RE File SWDR Summary Spreadsheets. PID to PS&E. SWDR Types. Long Form. Short Form. What conditions dictate either form?.

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Section 6 – SWDR Development Process

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  1. Section 6 – SWDR Development Process • Sections – PID to PS&E • SWDR - Long Form vs. Short Form • Sections of the SWDR • SWDR – Required Attachments • Information Handout and RE File • SWDR Summary Spreadsheets Brown and Caldwell

  2. PID to PS&E Brown and Caldwell

  3. SWDR Types Long Form Short Form What conditions dictate either form? Brown and Caldwell

  4. SWDR – Short Form Cover Page There’s been no change to these questions! Brown and Caldwell

  5. SWDR Long Form – What has Changed? Oh! Oh! Oh! What’s MWELO? MWELO - Model Water Efficient Landscape Ordinance Brown and Caldwell

  6. Long Form - Section 1 • SECTION 1: PROJECT DESCRIPTION • Type of project and major engineering features. Alts. at PID and PA/ED. • Total DSA and how it was calculated. • New Impervious Surface (NIS) = RIS + NNI. • PCTA. • Any existing treatment removed? • 50% Rule. • Is treatment required or being done for: TMDLs, 401 Cert., other requirements.

  7. Long Form - Section 2 • SECTION 2: Site Data and SW Data Issues • No Changes to Section. • Based on Information from: • Checklist SW-1, • Checklist SW-2, and • Checklist SW-3.

  8. Long Form - Section 3 Oh! Oh! Oh! Oh! So what changed? • SECTION 3: Construction Site BMPs • No Change for describing: • BMPs and the strategy for deployment. • Risk Level or exemption from CGP. • Applicability of dewatering, diversions, and ATS. • Seek concurrence of Construction and document input on BMP strategy and estimate.

  9. Long Form - Section 3 • SECTION 3: Construction Site BMPs • Changes to the BMP Estimate. • At PID and PA/ED you’d use Appendix F and state: Project specific BMP measures will be specified and quantified during the design phase. Temporary construction BMPs have been estimated at (__%) of the total project cost ($____) in accordance with the Project Initiation Cost Estimate Method, Appendix F.3.1, 2017 PPDG.

  10. Long Form - Section 3 • SECTION 3: Construction Site BMPs • Changes to the BMP Estimate. • At PID and PA/ED you’d use Appendix F and state: • At PS&E the Construction BMP Estimate is a required attachment and can be referenced. Total Estimate of $111,667

  11. Long Form - Section 4 • SECTION 4: Maintenance BMPs • No Changes. Identify: • Stenciling – publicly accessible. • Features to assist Maintenance.

  12. Long Form - Section 5 Oh! Oh! Oh! Oh! What’s a PLAC? • SECTION 5: Other Water Quality Requirements and Agreements • No Changes. Identify: • “Relevant” and “key” negotiated understandings with RWQCB and other agencies. • Meeting dates and contact names from these meetings. • Special requirements or conditions from other PLACs. PLACs – Permits, Licenses, Agreements, Certifications or other communication related to stormwater or water quality.

  13. Long Form - Section 6 • SECTION 6: Permanent BMPs • Discuss: • Rapid Stability Assessment • DPP BMP Strategy. • Treatment BMP Strategy and Table E-1 (PCTA Balance) • Validation of Final Soil Stabilization. • 70% Final Cover Method • RUSLE or RUSLE2 Method • Custom Method

  14. Long Form - Section 6 Oh! Oh! Even the cost of using an existing biostrip? Estimating DPPs and Treatment at PS&E: • SECTION 6: Permanent BMPs • Discuss: • Compliance with MWELO, if applicable. • Cost Estimating for DPP and Treatment BMPs

  15. Long Form – Required Attachments • Required Attachments • Vicinity Map • EDF • Risk Level Determination, if applicable • RUSLE 2 Summary Sheet (at PS&E only), if applicable • SWDR Attachment for SMARTs Input (at PS&E, if CGP applies) with Construction BMP Estimate (for internal Caltrans use at PS&E only) • Construction BMP estimate, which can be the BEES output.

  16. Information Handout and RE File • What do we put in the Information Handout? • Conceptual Plans for Temp. BMPs • Select SWDR Information • Material Sources (e.g. treatment media) • What do we put in the RE File? • PS&E SWDR • Other Info to assist understanding on decisions.

  17. SWDR Summary Spreadsheets Where do we get these and what do we do? Obtain the User Guide Create Summary Spreadsheets Work with the District SW Coordinator, as each District may do this differently. At all project phases

  18. SWDR Summary Spreadsheets Work with the District SW Coordinator, as each District may do this differently. At PS&E Only

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