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| Personnel |
| Our Experience |
| The core of RDA's solid reputation is its collective breadth of technical knowledge and experience, and it's depth of talent in a broad array of engineering disciplines. |
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Richard A. Bragg |
| P.E., Ph.D., Civil Engineering, President |
Richard Bragg, with more than 30 years experience, has directed large design projects for industrial and commercial facilities as well as research projects to develop state of the art foundation design practice.
RDA Specialization: Traffic accident reconstruction,
traffic engineering and highway design, product design, soil mechanics and foundation engineering, soil-structure interaction, slope stability
analysis, stability of earth and concrete dams, failure analysis and foundation testing.
al@rdaweb.com
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Hugh L. Davidson |
| P.E., Ph.D., Civil Engineering, Principal |
Hugh Davidson, with more than 35 years of engineering practice, is recognized for his research contributions and field testing of new approaches to foundation design.
RDA Specialization: Failure Analysis, soil mechanics, foundation and structural engineering, soil structure interaction phenomena, foundation testing, traffic accident reconstruction, highway design and product design.
hugh@rdaweb.com
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David J. Bizzak |
| P.E., Ph.D., Mechanical Engineering, Principal |
David Bizzak has more than 20 years of experience as a consulting engineer in reliability and failure analysis, risk assessment and
human-machine interface.
RDA Specialization: Machine and consumer product design and manufacturing defects, automotive defects,
system failure modes and effects analysis (FMEA), system design and reliability, slip-and-fall accidents, design and performance of
experimental tests and traffic accident reconstruction.
daveb@rdaweb.com
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Irving J. Oppenheim |
| P.E., Ph.D., Civil Engineering, Principal |
Irving Oppenheim is Professor of Architecture and Civil Engineering at Carnegie Mellon University, where he teaches structural
mechanics and structural design.
RDA Specialization: Structural design (in steel, concrete, masonry, and timber), construction collapse,
wind and snow loads, impact effects, building code requirements, architectural materials, friction testing and stair design.
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Bert N. Davis |
| P.E., Ph.D., C.F.E.I., LEED AP, Principal |
Bert Davis has more than 20 years of design and consulting experience related to mechanical, electrical and building envelope systems
for commercial, industrial, medical and institutional buildings.
RDA Specialization: Failure analysis, indoor air quality, construction and
industrial accidents, heating ventilation and air conditioning systems, life safety systems, plumbing-electrical-lighting systems, slip-and-fall
accidents, construction claims, explosions, building fires and code compliance.
bdavis@bdaengineering.com
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| Staff |
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Robert G. Stewart |
| Fire Cause & Origin Specialist |
Robert Stewart, who is a certified fire investigator, has more than 35 years experience in the field of fire investigation. For 18 years, he served as a professional fire fighter. During this time, he began his career investigating the cause and origin of fires and performing arson investigations.
phone # 724-996-1857
bob@rdaweb.com
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| Associates |
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James A. Warren - Electrical Engineer
Stephen R. Lee - Architect
Robert A. Nocivelli - Automotive & Truck Mechanic
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