Floodplain Delineation using 2D HEC RAS Model

Denver, Colorado
Thursday, August 24, 2017

Floodplain Delineation using 2D HEC RAS Model
Thursday, August 24, 2017 8:30 AM -
Friday, August 25, 2017 5:00 PM (Mountain Time)

Leonard Rice Engineering Training Facility
(303) 455-9589
1221 Auraria Parkway
Denver, Colorado 80204
United States

Map and Directions

When: See information above.  
Where: See information above. 

General registration fee for this two-day class is $750.00.  
        Early registration fee of $675.00 is available unit July 28, 2017
Discounted CASFM-RMAPWA member fee is $675.00
        Early registration fee of $625.00 is available unit July 28, 2017
        These rates are available to CASFM & RM-APWA members only.
This low general registration fee and the discounted CASFM-RMAPWA fee is 
available because of sponsorship by the Urban Drainage & Flood Control District.

CEU’s: You will be eligible to receive 1.5 CEU’s or 15 PDH’s for this course. 
               You will receive 12 ASFPM Core CEC’s toward CFM certification. 

What Will You Learn?

This is a two-day workshop that will focus on the basic knowledge and applications of two dimensional (2D) flood inundation modeling using the new version of U.S. Army Corps of Engineers HEC-RAS 5.0. The new HEC-RAS 5.0 has been significantly improved and includes new abilities. One of them is to perform two‐dimensional (2D) hydrodynamic flow routing. Now, users can perform one‐dimensional (1D) and 2D unsteady‐flow modeling, as well as combined 1D and 2D routing. Students will learn the basic theory and knowledge of 2D unsteady flow modeling and common applications. The class exercises will be practically carried out by creating a 2D HEC-RAS model and delineating flood inundation extents. Every class exercise will be performed based on working through each key element step-by-step. The subjects that will be covered in this course are:

1) Basic theory and knowledge of unsteady flow hydraulics.
 2) Understanding of basic 2D flood hydraulic modeling and application. 
 3) Introduction of HEC-RAS 5.0.
 4) Create and run your first 2D HEC-RAS step by step.   
 5) Considerations and limitations of developing a 2D HEC-RAS model.  
 6) Combined HEC-RAS 1D and 2D routing.
 7) Inline and lateral Structures with 2D flood routing.
 8) How to stabilize and optimize the computation results. 
 9) Exporting modeling results.
 10) Flood inundation extents delineation using RAS Mapper.
 11) Modeling errors and troubleshooting.

Workshops will include creating a terrain model and computational mesh using RAS Mapper, setting up the initial boundary conditions, adding structures, stabilizing an unsteady flow model, and exporting computation results and mapping. This workshop is suitable for engineers, technicians and current HEC-RAS users responsible for flood inundation delineation and unsteady flow modeling.

Dr. Max Shih, PhD, P.E., CFM is a tech lead and project manager for surface water hydrology and hydraulics (H&H) and sediment transport projects in the AECOM Denver office. He has more than 16 years of experience in H&H analyses, specifically providing flood inundation mapping for frequency floods and dam breach floods and spatially variable watershed hydrologic and sediment erosion modeling. Dr. Shih has conducted many 2D/3D flow hydraulic and sediment transport modeling projects using HEC-RAS 5.0(incl. Beta version), TABS-2, SMS, FLO-2D, CASC2D, GSTARS, and FLOW-3D programs. He has taught multiple HEC-RAS 2D classes since 2015. Dr. Shih will share his years of experience and lead the class through practical 2D flood hydraulic modeling exercises.

Ryan Byrne, P.E., CFM is a Senior Project Engineer at Martin/Martin Inc. providing water resources support for land development projects across the Denver Metro area. He has more than 9 years of experience performing computational hydrologic and hydraulic analysis for flood control and floodplain mapping. He has extensive experience with spatial watershed analysis for both small and large scale studies both within and outside of the Urban Drainage and Flood Control District and Denver Metropolitan area. He will provide course support related to the HEC-RAS and 2D flow modeling exercises from a perspective of a long-term practitioner.

Colorado is a great place to visit!

Colorado is a great place to visit in August. There a many outdoor recreational activities such as rafting, hiking, fishing, photography, sight seeing, etc. Also, the City of Denver and its metropolitan area has many attractions and great restaurants.  So, if you come and attend this class, you may want to extend your stay and take advantage of this most attractive area of the United States.

The size of the classroom will be limited to approximately 24 students.  To assure a space for yourself we suggest registering early by clicking on the "Register Now" button above.

For more information, call us at 303-728-4449 and ask for Ben, or e-mail him at info@uwtrshd.com


Contact Information

  • Call Ben at 303-728-4449
    E-Mail: info@uwtrshd.com 
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