Thomas R. Petray

Senior Consultant / P.E., P.Eng / Denver


Mr. Petray has 20+ years of experience in structural engineering analysis, design, and construction. He is a registered Professional Engineer in Alaska, California, Colorado, Florida, Louisiana, Montana, Oregon, Texas, Utah, Virginia, Washington, Wyoming, and Ontario, Canada. His experience has been accumulated in a wide variety of markets and structures including heavy civil construction engineering, building design, and bridge design.

Mr. Petray has extensive experience in structural design and analysis. His heavy civil design experience includes bridge foundations and numerous other types of construction engineering. Specifically, he has experience in the design of cofferdams, bridge falsework and formwork, overwater construction platforms, floating marine construction platforms, heavy lifting devices, heavy equipment trestles, fall protection systems, pile picking devices and driving templates, bulkheads, marine shoring systems, support of excavation, and bridge girder erection plans.

His design work has been used in the construction of commercial and residential buildings, water and wastewater facilities, floodgates, seawalls, marine terminals, port facilities, bridges, and dams. Mr. Petray's work emphasized integrated design and construction, providing innovative designs which increase contractor safety, productivity, and overall job performance while reducing cost. The structural analysis and design for these various markets includes structural steel, conventionally reinforced concrete, prestressed and post-tensioned concrete, structural wood, and timber.

Mr. Petray has provided Engineer of Record design for structures that meet the requirements of multiple industry standards and codes, including the International Building Code, ASCE 07 (Design Loads for Buildings and other Structures), ASCE 37 (Design Loads on Structures During Construction), ACI 318 (Building Code Requirements for Structural Concrete), AISC 360 (Specification for Structural Steel Buildings), NDS (Wood Design), AASHTO Bridge Design Specification, AASHTO Guide Design Specifications for Bridge Temporary Works, and AREMA (Manual for Railway Engineering).

Having completed the OSHA 30-hour training and examination, he is a registered Safety Trained Supervisor in Construction (STSC) by the Board of Certified Safety Professionals. He has also completed ATC-20 (Post-Earthquake Evaluation of Buildings), ATC-45 (Safety Evaluation of Buildings after Windstorms and Floods) training, and is a registered member of the California Office of Emergency Services (Cal OES) Safety Assessment Program. He is an active member in the American Society of Civil Engineers (ASCE) Temporary Structures Committee, and sits on the subcommittee devoted to the design of temporary bridges, trestles, and barges.

Education and Certifications

• Civil Engineering, B.S.: University of Colorado
• Associates of Applied Science, CADD
• Registered Professional Engineer: Alaska, California, Colorado, Florida, Louisiana, Oregon, Texas, Virginia, Washington, and Ontario, Canada
• STSC - Safety Trained Supervisor in Construction
• Cal OES Registered for Building Evaluation post-Earthquake, Windstorm & Flood Events