Hydraulics Expert Witnesses

For over 40 years, Mr. Dutill has been practicing in hydrology and environmental engineering. He has focused on wastewater, stormwater, flooding, sewers, septic systems, groundwater, hydrogeology, drainage, hydraulics, backups, drinking water, air quality, mold, hazardous waste, water quality,...

L. David Givler, MSCE, PE is the president of the firm. He is a technical expert in hydrology and hydraulics with experience since 1984. His experience in municipal engineering and site development began in 1987. He obtained his Master of Science in hydraulics in 1986 from Lehigh University and his...

21st is the oldest Independent Forensic Animation firm in the nation. We generate sophisticated 3-dimensional computer animation of your expert's opinion. We utilize science and technology to help present complex events for the triers of fact. Since 1989, we have created thousands of animations for...

QEI Engineers, Inc. specializes in failure analysis and fire/explosion cause & origin for over $400MM in claims, including: construction defects and claims, HVAC, plumbing, geothermal heating/cooling, structural failures, natural gas systems, boilers/pressure vessels and piping, compressed air...

Rapperport Associates provides forensic engineering services: fire and explosion investigation, failure analysis and accident reconstruction services. The company has built a reputation for superior work product and professional integrity since 1974.

Applied Forensic Engineering, LLC (AFE) is a multi-disciplined, independent consulting firm with an emphasis on forensic engineering investigations, condition assessments and expert witness services. We pride ourselves on finding and reporting the facts, without bias, based on the physical evidence.

Reza Marshal has worked in the traffic engineering field since 1982. He has worked on tort liability cases related to traffic engineering, construction and safety. He has analyzed traffic signal designs, traffic signal timing, highway design issues, accident histories, road maintenance and...

Legacy Engineering, LLC represents over 500 highly experienced scientists, engineers, managers, and executives who have had outstanding careers in the Aerospace and Defense Industry. These professionals were carefully vetted based upon their industry performance. Most are “semi-retired”...

Bison Engineering, Inc. is contacted by legal professionals who require a high degree of excellence and integrity to scientifically conduct investigations to determine the cause of destructive events. Bison specializes in forensic engineering and failure analysis services to the legal, gas,...