Eric Hahn

The FEMA Flood Repairs and Mitigation Project has picked up another award! The Colorado Contractors Association (CCA) announced the project has received the 2020 H20 Award for the Dam/Reservoir Category. RJH provided design construction engineering services to the City of Thornton for the repair of reservoirs along the South Platte River in Adams County, Colorado […]

RJH is proud to celebrate its 15th anniversary delivering engineering services for dam and levee projects throughout the United States. RJH was founded in 2005 with a core mission of providing our clients with dam and levee expertise typically associated with a large firm, but with a philosophy of client service more commonly associated with

RJH will be providing design engineering services for rehabilitation of a 30-foot-tall, high-hazard dam located in the Tohono O’odham Nation in southern Arizona. The purpose of the project is to mitigate previously identified dam safety deficiencies, which include overtopping of the embankment and internal erosion through the embankment and foundation. The project will be conducted

In fall 2020, RJH began its eighth straight year of performing levee inspections for the U.S. Army Corps of Engineers – Omaha District (USACE – Omaha). The inspections will take place in Iowa, Montana, Wyoming, North Dakota, and South Dakota. RJH staff has inspected hundreds of miles of levees for USACE – Omaha as part

Cerro Reservoir, located in Montrose County, Colorado, is in the final stages of construction to rehabilitate outlet works that had been inoperable for more than 20 years. RJH responsibilities have included overseeing a diving inspection, outlet works design, alternatives development, and construction administration and resident engineering services. The rehabilitation involved breaching and replacing one of

The FEMA Flood Repairs and Mitigation Project has been awarded an American Public Works Association Project Award for Disaster or Emergency Construction and Repair – Large Community category. RJH was retained by the City of Thornton to provide engineering services for design construction of a series of reservoirs along the South Platte River in Adams

RJH is happy to welcome Chris Leclair! Chris joins us from California and specializes in civil and hydraulic engineering. His previous engineering experience includes analyses and design for water and sewer pipelines, water tanks, booster pump stations, and sewer lift stations. Chris completed his graduate and undergraduate studies at California Polytechnic State University, where he

RJH is happy to welcome Diego Saldaña Arce to our team! Diego has more than 20 years of experience in academia and consulting engineering with an emphasis in hydraulic and hydrologic engineering for dams and reservoirs. He has authored multiple journal papers and both chapters regarding the history of dam construction. Diego was previously a