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Effective Sediment Basins/Traps Require More Than Simply Specifying the Capture of Runoff


The most effective method for removing sediment from runoff waters is by a professionally designed and approved sediment basin or sediment trap. Unfortunately, a misconception exists that detaining 250 cubic meters/hectare (3,600 cubic feet/acre) is the most important parameter to consider for an effective structure. However, many other parameters must also be part of any design and approval process, including contributing soils, runoff volume, structural shape, discharge rates, particle diameter, internal flow length, fall distance, pond surface, and pond volume.

Join Forester University for this live, educational, two-part webinar as prolific speaker Jerald S. Fifield (Ph.D., CISEC, HydroDynamics Incorporated) shows designers and reviewers why the development and evaluation of parameters necessary for an effective sediment basin/trap design must incorporate science, mathematics, and engineering principles by:

  • Assessing sediment pond/trap concepts that incorporate turbulent, laminar, and accelerated flow conditions
  • Understanding why discharge rates are the most important parameters to assess for an effective structure
  • Demonstrating why pond surface area and internal flow path lengths are critical sediment basin/trap parameters
  • Providing the results of climatic and runoff assessments to update minimum runoff detention volumes applicable for arid/semi-arid, humid, and tropical climatic regions
  • Developing equations that provide “estimates” for effective parameters
  • Showing how the use of flocculants can reduce the size of an effective structure

As part of this course, participants will complete worksheets to further their understanding about developing and approving sediment basin/trap concepts.

Learning Objectives 
Attendees can expect the discussion and education of the following learning objectives:

  • Designers: Learn why discharge rates are more important than runoff volumes
  • Reviewers: Find out why circular structures are less effective than those having rectangular shapes
  • Regulators: Observe that professionally installed structures may reduce the need for inlet protection
  • All: Assess how to increase the effectiveness of containment structures

Train Your Team
Get the whole team trained! We offer additional savings if you register as a group. For group pricing information, contact us at

* Presentations are scheduled for approximately one hour with a 15-20 minute question and answer session to follow. Presentations may exceed scheduled time.
* Each state and certification agency have different requirements; it is your responsibility to know what they are. Note that 1 PDH = 0.1 CEU.
* Purchase of this course allows you access to the presentation(s) for 6 months from the order date.

On-Demand Webcast
Session: 3 H 00 M
Lectures: 2
Credits: 2 PDH / 0.2 CEU

On-Demand Webcasts > Stormwater ($129.00)


Special Group Pricing Available


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