Scott J. Simmons

Senior Consultant / P.E., ACTAR / Denver


With a B.S. degree in mechanical engineering from Iowa State University, Mr. Simmons is a professional engineer with diverse experience in industrial engineering, production, and maintenance, mechanical building systems, and vehicle and equipment failures. He is a Certified Vehicle Accident Reconstructionist (ACTAR #3706) through the Accreditation Commission for Traffic Accident Reconstruction.

Mr. Simmons has a broad understanding of manufacturing processes, including a considerable amount of hands-on experience with rotating industrial machinery. He has been responsible for executing projects involving grain-handling equipment, heat exchangers, centrifugal pumps, a large variety of conveying equipment, flash and rotatory steam tube dryers, natural gas dryers, screen presses, bucket elevators, instrumentation monitoring, grinders, and various other rotating equipment. Many of the projects he executed required the usage of cranes, boom lifts, monorails, forklifts, and hoists.

He has also been responsible for the design and implementation of mechanical systems in hazardous areas, which include Class 1 (flammable vapors/gas), Class 2 (combustible dust), and hazardous chemical process areas. Mr. Simmons has a thorough understanding of safety procedures and standards related to NFPA regulations, OSHA requirements, process safety management, and process controls in an industrial setting.

Along these lines, he has been responsible for analyzing and improving the safety and reliability of maintenance and engineering projects relating to mechanical equipment. Mr. Simmons has significant experience investigating claims involving the failure of safety practices and/or equipment in gas-powered machines and piping. He has inspected a wide range of equipment involved in carbon monoxide and other hazardous gas exposures.

Throughout his career, he has investigated fires and explosions related to industrial equipment, gas-fired boilers, residential furnaces, natural gas leaks and build-ups, and other gas appliances. These experiences have provided Mr. Simmons with knowledge of nationally recognized codes and standards applicable to HVAC including ASME Boiler and Pressure Vessel Code, ASHRAE standards, and NFPA codes. Furthermore, he has performed forensic analysis regarding boiler failures related to corrosion, water leaks, and catastrophic mechanical failures. Mr. Simmons has investigated hundreds of failures of piping systems connected to domestic water, sanitary sewer, and fire protection systems.

Mr. Simmons is a veteran in climbing mountains above 14,000 feet. He has climbed all 58 named peaks above 14,000 feet in the state of Colorado.

Education and Certifications

• Mechanical Engineering, B.S.: Iowa State University, Ames
• Registered Professional Engineer: Colorado, Idaho, Iowa, Montana, Utah, and Wyoming
• Certified Aerial Lift Operator
• Certified Vehicle Accident Reconstructionist: The Accreditation Commission for Traffic Accident Reconstruction (ACTAR #3706)
• Certified XL Tribometrist