W. Charles Perry & Associates
Principal EngineerW. Charles Perry, PE
231 W. 41st AvenueSan Mateo, CA 94403 Phone: (650) 638-9546 Email: charles@wcharlesperry.com Website: www.wcharlesperry.com
Specialties
Failure analysis and accident reconstruction of industrial accidents, automobile accidents, personal injuries, building fires, industrial fires, carbon monoxide poisoning, and industrial explosions. Design evaluations of products and buildings at the system and component level. Safety evaluation of construction sites and industrial facilities. Products evaluated include chairs, ladders, rolling-scaffolds and barricades, medical tables, water heaters, space heaters, furnaces, file cabinets windows. Vehicles evaluated include cars, forklifts, bicycle, pedestrian, golf cart and cranes. Fires & explosions include houses & commercial kitchen fires, methamphetamine lab explosion, ammonium perchlorate factory explosion, synthetic crude oil refinery fire, natural gas explosions, urban-wildland fire and print-shop fire. Construction defects & failures evaluated include structural collapse, mold infestations, EIFS failures, slab failures, pipe leaks and breaks, retaining wall failures, sub-sea level sewer tunneling failure, foundation failures, neighborhood flooding, roof and window leakage. Earthquake damage evaluation of residential, light commercial and high-rise buildings.
Degrees/Licenses
MS, BS, PE, (Civil Engineering, Mechanical Engineering, Structural Engineering, Materials Engineering, Fire Science & Engineering and Construction Management).
Patrick O. Shires
President/Principal Geotech. Engr./Principal GeophysicistCotton, Shires and Associates, Inc.
330 Village LaneLos Gatos, CA 95030-7218 Phone: (408) 354-5542 Email: losgatos@cottonshires.com Website: www.cottonshires.com
Specialties
Geotechnical (soils) Engineering; Earthquake Engineering; Geology; Design & Construction Deficiencies; Landslides (earth movement); Expansive Soil. Drainage. Trials; More than 30 trials in Los Angeles area; more than 90 trials in California & Hawaii.
Degrees/Licenses
BS, MS/GE, PE, GPh.
Formal Education
BS, Stanford University; MS, Civil Engineering, Stanford University.
Registration and Licenses
Registered Professional Engineer (CA, CO, OR, WA, ID, HI); Registered Geotechnical Engineer (CA); Registered Geophysicist (CA).
Previous/Current Position
Senior Principal Geotechnical Engineer and Geophysicist.
Honors/Awards
Industrial Research Associate, USGS; Technical Experts Panel, City of Rancho Palos Verdes.
Prof. Affiliations
American Society of Civil Engineers; Earthquake Engineering Research Institute; CA Geotechnical Engineers Association; Consulting Engineers of CA; American Society of Testing and Materials; Society of Exploration Geophysicists.
Publications
ASCE Journal of Geotechnical Engineering and conference papers.
Prior Expert
Over 47 years experience, Testimony at 90+ trials (Municipal, Superior and Federal and binding arbitrations); 230+ depositions; 300+ settlement conferences; Northern and Southern California and Hawaii.