Forensic Engineering

Stephen E. Petty, P.E., C.I.H., C.S.P is president and owner of EES Group, Inc. (www.eesgroup.us), a forensic engineering and environmental health and safety (EHS) corporation. EES Group, Inc. was founded in 1996; since that time, he has conducted or supervised thousands of forensic investigations and served as an expert witness in over 400 legal cases. Most recently, he has served as an exposure, Personal Protective Equipment (PPE), and warnings expert for the Monsanto Roundup and DuPont C8 cases. He practices in the fields of chemical, civil, environmental, and mechanical engineering as well as the field of industrial health and safety. Mr. Petty is also a recognized expert in the field of heating, ventilation, and air conditioning (HVAC) and a holder of nine U.S. Patents, eight of which are in the HVAC field. Mr. Petty is a member of the American Industrial Hygiene Association (AIHA), an associate member of the American Conference of Governmental Industrial Hygienists (ACGIH), and a member of the American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE), the American Institute of Chemical Engineers (AIChE), the Society of Automotive Engineers (SAE), and Sigma Xi.

1. Introduction 2. Hail Fundamentals and General Hail-Strike Damage Assessment Methodology 3. Hail Damage Assessments for Residential and Light Commercial Exterior Finished Surfaces and Steep-Slope Roof Systems 4. Hail Damage Assessments to Low-Sloped Roof Systems 5. Synthetic Storm Damage (Fraud) to Roof Surfaces 6. Wind Damage Assessments for Residential and Light Commercial Roofing Systems and Finished Surfaces 7. Wind Damage Assessments for Low-Sloped Roof Systems 8. Water Infiltration – Cause and Origin Assessments Steep- and Low-Sloped Roof Systems 9. Water Infiltration – Cause and Origin Assessments Exterior Residential and Light Commercial Building Envelope 10. Water Infiltration into Basements 11. Indoor Environmental Quality 12. Attic and Crawlspace Ventilation 13. Mold and Bacteria 14. Forensic Inspection Assessments of Residential Wood Framing Systems 15. Forensic Inspection Assessments of Foundation Walls 16. Forensic Inspection Assessments of Brick Masonry Chimneys, Veneer Walls, and Porches/Decks 17. Fire Damage Structural Property Assessments 18. Vehicle Impact Structural Property Assessments 19. Tornado-Related Structural Property Damage Assessments 20. Blast and Explosion Damage Property Assessments 21. Lightning Damage Property Assessments 22. Plumbing/Piping/Tubing Failures 23. Equipment Failures and Investigations 24. Serving as an Expert Witness