About 300 professionals deliver an impressive range of engineering, mapping, environmental, architectural, and survey services at Ayres Associates. Our filterable database makes it easy to check out the credentials of key staff in the disciplines of interest to you – and to contact them directly to get more information about working with you on a project.

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James Schall

Senior Project Manager

Fort Collins, CO

"Jim has the ability to really dive into the details of the designs and not just point out deficiencies but also suggest improvements to help the client."
Monica Malhotra
Battelle Memorial Institute

Jim's education and consulting experience encompass all aspects of water resource engineering, with specific expertise in fluvial systems analysis and design. Jim has prepared design manuals and short courses related to fluvial systems, including the Surface Water Diversion Design Manual (Office of Surface Mining) and the Design Manual for Engineering Analysis of Fluvial Systems (Arizona Department of Water Resources).

Jim also has been involved in developing and teaching five short courses for the Federal Highway Administration's National Highway Institute (NHI): Introduction to Highway Hydraulics, Culvert Hydraulics, Urban Drainage Design, Stream Stability and Scour at Highway Bridges, and Scour Monitoring and Instrumentation. He received Instructor of Excellence awards from NHI for his teaching work in 2010 and 2012.

Jim's areas of expertise include the following:

  • Reservoir aggradation studies
  • Bank erosion/stability studies
  • Sediment modeling
  • Field data collection and hydrographic surveys of lakes and rivers
  • Floodplain analysis
  • Hydraulic bridge design
  • Sedimentation engineering
  • Bridge scour evaluation
  • Computer modeling
  • Sediment transport analysis
  • River mechanics
  • Hydrology
  • Hydraulic analysis and design
  • Debris flows
  • Hydraulic modeling of river processes
  • Hydraulic structure design
  • Instrumentation
  • MS, Civil Engineering, Colorado State University
  • PhD, Civil Engineering, Colorado State University
  • BS, Civil Engineering, Purdue University
  • Registered Professional Engineer, CO
  • Registered Professional Engineer, CA
  • Registered Professional Engineer, NV