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City of Jacksonville Thirsty Duck Design Seminar

Cheryl L. Moore Consulting, LLC

Tuesday, July 24, 2012 from 1:00 PM to 5:00 PM (EDT)

City of Jacksonville Thirsty Duck Design Seminar

Ticket Information

Type End Quantity
General Admission Ended Free  

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Event Details

Makes Ponds Smaller


Florida Engineers Earn 4 Professional Development Hours 

Cheryl L. Moore Consulting, LLC: Provider #0004368 

Advanced Stormwater Technologies: Course #0000401

ThirstyDuck, Ltd. is pleased to announce its model ER-200 buoyant flow control device (BFD) has been approved for use by the Florida Department of Transportation on production projects with the approval of the State Hydraulics Office. 

  • Buoyant Flow Control Device Types (single restriction, dual restriction and hybrid types)
  • Development of rating curves (stage vs. discharge) for each type BFD
    • Weir flow to orifice flow transition
    • Determining the point of restriction
    • Free discharge condition
    • Tailwater conditions
    • Spreadsheet/tabular solutions
  • Modeling techniques
    • Inserting rating curves into ICPR, PONDS, HydroCad, TR-20, HEC-HMS
    • Dynamic tailwater modeling (families of rating curves)
    • Manhole and pipe losses (inclusion in rating curve vs. individual nodes and reaches)
    • Using the constant flow device option in HydroCad
  • Factors affecting system savings
    • Inflow vs. outflow rate
    • system flux
    • tailwater
  • Construction Details
    • Box type and size
    • Inverted siphons
    • Emergency overflow devices
    • Buoyancy and ballasting
    • Vegetation control
    • Venting and Air release

 The course objectives will be:

  • Understand how the ER type buoyant flow control device operates
  • Understand how the ER type BFD can be used to minimize detention volume
  • Understanding the device variations and identification of situations suited for each variation
  • Learn to compute the stage vs. discharge relationship (rating curve) for each device type variation in free discharge and tailwater conditions
  • Learn to insert rating curves into popular modeling software such as ICPR, Ponds, HydroCad
  • Learn to model the ER type BFD for single and multiple storm events.
  • Identify design conditions and other factors which affect efficiency and potential system savings
  • Learn to calculate required buoyancy
  • Understand and identify construction design details required for proper operation and maintenance. 

Presenter:  Jon Moody, P.E.
Thirsty Duck, Ltd. 
9400 River Crossing Boulevard, Suite 102 
New Port Richey, FL 34655 Tel. (727) 376-2400 Fax (727) 376-5973




What are my transport/parking options getting to the event?

The Ed Ball Building has it's own parking garage, please note: an hourly fee will apply.

Once parked you may enter the building from the 2nd floor of the parking garage and take escalator downstairs, the training room will be on your right.


Have questions about City of Jacksonville Thirsty Duck Design Seminar? Contact Cheryl L. Moore Consulting, LLC

When & Where

Ed Ball Building, 1st Floor Training Room
214 N Hogan St
Jacksonville, FL 32202

Tuesday, July 24, 2012 from 1:00 PM to 5:00 PM (EDT)

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City of Jacksonville Thirsty Duck Design Seminar
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