Roger W. Griffith, P.E. | Mechanical Engineering Expert Witness | Licensed in 32 States
Roger Griffith provides mechanical and plumbing expert witness services nationwide, holds professional engineering licensure in 32 states, and is Board Certified in Forensic Engineering (NAFE). He is retained by plaintiff and defense attorneys in state and federal courts across the country for cases involving failures of residential and commercial mechanical and plumbing systems, hot-water scald injuries, carbon monoxide exposure, and water damage.
Mechanical and plumbing system deficiencies and failures cause property damage, injuries, and fatalities. He conducts forensic investigations to determine the root causes of failures and testifies as an expert witness in litigation to ensure disputes are resolved on the basis of sound engineering analysis.
For over 25 years, Mr. Griffith has provided forensic investigations, expert witness services, and litigation support in over 175 cases involving HVAC design, plumbing design, pipe failures, plumbing component failures, sprinkler system failures, hot water scalding, water heater failures, gas venting/carbon monoxide poisoning, and gas furnaces. He participates in the development and revision of national fuel gas and plumbing system standards through his involvement with technical committees. Experience includes work related to fuel gas systems, combustion appliance venting, plumbing systems, and domestic hot water system design.
As the principal mechanical engineer at Griffith Engineering & Consulting for over 28 years, he draws on his training and experience in designing HVAC, plumbing, and fire sprinkler systems to offer professional opinions on the adequacy of system design, construction, maintenance, and operation.
Mr. Griffith provides investigative engineering, consulting, and expert witness services that are thorough, credible, and timely. He strives to perform independent analyses based on factual evidence and the proper application of engineering and scientific principles.
As a licensed professional engineer, Mr. Griffith can assist with investigations in the following areas:
Mechanical Engineering Forensic Practice
Carbon monoxide exposure in buildings
Fuel gas systems and appliance-related incidents
Hot water systems and scald injury investigations
Venting and combustion air systems
Plumbing and mechanical (HVAC) system failures
Building code application and interpretation
Approach to Mechanical Engineering Expert Witness
Mr. Griffith approaches each assignment with an emphasis on:
Technical accuracy
Independence and objectivity
Clear communication of engineering concepts
Adherence to accepted forensic engineering practice
He is retained by both plaintiffs and defendants and does not advocate for outcomes outside the bounds of his engineering opinions.
Curriculum Vitae available upon request.
To discuss case suitability or retain Mr. Griffith for an upcoming matter, he may be reached at (865) 471-8142 or through the contact form below.