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Culvert Design for Fish Passage - Design Steps and Examples

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Instructor Information: Rollin Hotchkiss, Ph.D., P.E., D.WRE

Course Length: 1 Hour

This webinar was co-sponsored by ASCE's
Environmental & Water Resources Institute and ASCE Continuing Education.

Purpose and Background

State Departments of Transportation are in the midst of rehabilitating or replacing a majority of their culverts. Engineers now have available tools that will allow them to design culverts that will meet traditional requirements while also providing for upstream fish passage. Providing for fish passage will help restore ecosystem connectivity in the watershed, reduce downstream scour and maintenance needs, and improve overall hydraulic conditions in our nation’s smaller streams and rivers. This webinar will focus on design procedures.

Learning Outcomes

You will gain an understanding of the procedures available for prioritizing and assessing culverts for rehabilitation and/or replacement considering fish passage, know how to decide which alternative is most appropriate, and be able to access current design manuals for both cases.

Seminar Benefits

- Learn how to obtain current design manuals and procedures that provide step-by-step guidelines for designing culverts for fish passage
- Learn from examples how culverts are designed for fish passage using current procedures 

Intended Audience 

Civil and environmental engineers and engineering managers tasked with evaluating, designing, and installing culverts, and those involved in identifying and implementing stream mitigation projects to address construction impacts will benefit from this webinar.

Both state Departments of Transportation (DOTs) and consulting firms that support DOT design activities for fish passage and stream restoration will find this webinar beneficial.

Seminar Outline

- Examples of design procedures incorporating fish passage