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The project logo Stormwater Design Manual Comments

The project logo Stormwater Design Manual Comments

We are in the process of updating our stormwater design manual. We'd like your feedback on the changes that we've made so far for the first draft. We'd like to know your thoughts on each chapter including different chapter topics and relevant checklists and sample plans. Your comments will be used to develop a final version of the manual. You'll use this manual to complete development projects. 

1. Review chapter highlights in the right sidebar. 
2. Please provide comments on chapters you have reviewed. You may comment on as many chapters/topics as you would like.
3. Click 'Finish Survey' after you've provided all of your comments. 

Comment period closes July 31.

Do you feel the first draft of the manual is clear enough to help you with your project? Please explain why or why not.
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How comfortable would you feel using the design manual for a development project?

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For this next section: Enter individual feedback in the comment box for each chapter and then press 'comment' to submit that information. To leave multiple comments on a chapter - type another response in the same box then press 'comment' each time you have a comment. This will help us organize and address your comments.

Please provide comments on Chapter 1 - Introduction.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 2 - Site Development Requirements.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 3 - Hydrology.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 4 - Hydraulics.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 5 - Stormwater Management Design.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 6 - Erosion and Sediment Control.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 7 - Floodplain Management.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on Chapter 8 - Stormwater Utility Fee Credits.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide comments on all checklists and sample plans in the manual.

Please share input on: clarity, quality, overall usability, content that you think should have been included, any other comments on this section.

Closed for Comments
Please provide your contact information (optional).

Thank you for providing feedback! This information will help us update the manual. We'll let you know as soon as the manual is finished. 

Manual Highlights

Chapter 1

  • Definitions
  • Site planning for stormwater management

Chapter 2

  • Small/large site development
  • Required reference materials
  • Lot grading plans
  • Stormwater development analysis
  • Designer's letter
  • Downstream assessment
  • Easements

Chapter 3

  • Hydrologic design policies
  • Time of concentration
  • Rational method
  • Modified rational method
  • SCS Unit Hydrograph method
  • Closed conveyance system design criteria
  • Inlet and spread criteria
  • Pipe material and cover criteria
  • Open channel design criteria
  • Bridge and culvert design criteria
  • Outlet design
  • Certifications and as-builts
  • Rate of runoff control requirements
  • Water quality requirements
  • Stormwater control measures design criteria
  • Certifications and as-builts
  • Stormwater control measures operations, maintenance, and easements

Chapter 6 

  • Design criteria and guidelines
  • Practice standards
  • Application requirements
  • Construction phasing and sequencing
  • Groundcover vs. stabilization
  • Single-family residential construction
  • Compacted pervious areas
  • Post-construction stormwater devices
  • Special flood hazard areas
  • Floodplain development requirements
  • Permit applications
  • Flood study requirements
  • Elevation certificate process
  • Floodproofing certificate
  • Substantial improvement or damage
  • Stormwater fee credits
  • Applying for credits
  • Credit maintenance and enforcement
  • Appeals and adjustments

View all checklists and sample plans for the manual.