Upcoming Webinars

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Imminent Failure Condition: The Fontenelle Dam Incident
February 14, 2017 at 12:00 PM EST, 11:00 AM CST, 10:00 AM MST, 9:00 AM PST
(120 minutes)
 
Fontenelle Dam incident was, arguably, the largest dam incident in US history that did not result in failure. A large leak developed in Bureau of Reclamation’s new dam and quickly eroded a very large cavity on the downstream slope. It was only through large-scale and prompt intervention that the dam was saved. In the decades following the incident, few people – even at Reclamation – knew that it had occurred.
Underwater Installation of Geomembranes
March 14, 2017 at 12:00 PM EDT, 11:00 AM CDT, 10:00 AM MDT, 9:00 AM PDT
(120 minutes)
 
Rehabilitation of dams with geomembranes has stopped seepage in more than 200 dams worldwide. In the 1990s, the US Army Corps of Engineers recognized that geomembranes could arrest seepage in many structures but many structures in the U.S. could not be dewatered for installation. Subsequently, a 2 phase design and testing program with the US Army Corps of Engineers adapted geomembrane system details for underwater installation.
Introduction to Nature-like Fishways for Dams
April 11, 2017 at 12:00 PM EDT, 11:00 AM CDT, 10:00 AM MDT, 9:00 AM PDT
(120 minutes)
 
Dam-related problems include blockage of fish migrations, drowning hazards, failure hazards, reservoir sedimentation, habitat loss, and tailwater erosion. Some environmental problems can only be addressed through dam removal while other issues, where removal is not a viable option, can be remediated by dam modification and nature-like fish passage. Traditional fish passage projects have typically focused solely on passage of single or few large game species.
HEC-RAS 2D Modeling
May 9, 2017 at 12:00 PM EDT, 11:00 AM CDT, 10:00 AM MDT, 9:00 AM PDT
(120 minutes)
 
With the release of HEC-RAS 5.0 (and newer versions), the Hydrologic Engineering Center (HEC) has added the ability to perform two-dimensional (2D) hydrodynamic routing to the HEC-RAS computer model. This webinar will provide an overview of the new HEC-RAS 2D tools and solution processes and the basic capabilities of the HEC-RAS 2D model. The 2D flow modeling can be accomplished by adding 2D flow area element.
Introduction to Embankment Dams
June 13, 2017 at 12:00 PM EDT, 11:00 AM CDT, 10:00 AM MDT, 9:00 AM PDT
(120 minutes)
 
The overwhelming majority of dams in the world, and also in the United States, are embankment dams. This webinar is intended as an overview of embankment dams, to serve as an introduction for those relatively new to dam safety and a refresher for the more experienced practitioner.