RIE Consultants, LLC

Committed To Helping Our Clients Succeed

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About the firm

RIE Consultants, LLC (RIE) is a Redmond, Washington-based hydraulic and hydrologic engineering practice dedicated to water resources modeling and design for water, wastewater, stormwater, and energy facilities including hydropower, fossil fuel, and renewable projects. Its principal engineers have a combined 40-plus years of experience delivering over 200 projects for clients across the United States and internationally. RIE specializes in 1-D, 2-D, and 3-D hydraulic and hydrodynamic modeling, CFD analysis, physical hydraulic model consulting, hydraulic design, and climate change adaptation. It serves federal agencies, local governments, major utilities, and large A/E firms as a sub-consultant.

Team
Small
Firm type
Water / Wastewater Engineering · Civil Engineering

Credentials

Professional Engineering (PE) licensing in Washington, California, Oregon, and Texas

People

Mizan RashidPrincipal Engineer

Ashraful IslamHydraulic Engineer

Nadia Jannath NishuHydraulic Engineer

Rubayet MortuzaWater Resources Engineer

Mahsa AhmadpoorWater Resources Engineer

Capabilities

Hydrologic and Hydraulic Modeling

Service website

Provides advanced analytical simulations for rivers, stormwater systems, coastal water bodies, water and wastewater infrastructure, and energy facilities using 1-D, 2-D, and 3-D techniques.

  • Flooding analysis and management
  • Sediment transport analysis and management
  • Hydrodynamic simulations
  • Outfall dilution and mixing studies
  • Water quality simulations
  • Transient and surge analysis
  • Computational fluid dynamics (CFD)

Hydraulic Design

Service website

Delivers custom engineering solutions for water and wastewater infrastructure, energy facilities, and natural systems including dams, spillways, fish passage facilities, pump intakes, water intakes, and pipelines.

  • Dams, spillways, and outlet works
  • Fish passage facilities
  • Water and wastewater conveyance
  • Pump intake and water intake structures
  • Pipeline conveyance systems
  • Riprap protection

Hydraulics of Natural Systems

Service website

Focuses on the restoration, management, and climate adaptation of rivers, streams, and coastal water bodies.

  • Stream and river restoration
  • Sediment management
  • Climate change adaptation studies

Physical Hydraulic Model Consulting

Service website

Offers expert guidance on physical scale model design, technical specifications, and independent review of physical structural studies.

  • Physical model specifications and SOW development
  • Selection of appropriate simulation tools
  • Independent technical review

Consulting Services

Service website

Provides specialized litigation support, custom proposal preparation, and comprehensive project or program management.

  • Expert witness testimony
  • Proposal preparation and SF 330 support
  • Project and program management services

Industries

Water Supply · Utilities · Wastewater · Stormwater & Flood Control · Hydroelectric · Power Generation · Environmental & Remediation · Federal · Government · Natural Resources

Projects

Alamo Hydroelectric Power Plant Surge Control

Hydroelectric · 2014 · Client: Alamo Hydroelectric Power Plant

Project details

Developed a custom surge control device to protect the Alamo Hydroelectric Power Plant from transient pressures.

The Dalles Dam Forebay CFD Modeling

Oregon · Hydroelectric · 2008 · Client: US Army Corps of Engineers

Project details

Applied advanced 3D Computational Fluid Dynamics (CFD) modeling to analyze forebay hydrodynamics under various spill scenarios at The Dalles Dam.

RIE Consultants, LLC - Engineering Firms