W. Charles Perry
Principal EngineerW. Charles Perry & Associates
231 W. 41st Avenue, San Mateo, CA, 94403 Phone: (650) 638-9546 Email: charles@wcharlesperry.comSpecialties
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 perchorate 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).
Fari Barzegar
Founding Principal EngineerHabitat Engineering & Forensics, INC.
446 - 17th Street, Suite 300, Oakland, CA, 94612-2808 Phone: (510) 891-0300 Alternate: (510) 717-3600 Fax: www.drbar-zegar.com Email: Fari@HabitatEngineering.comSpecialties
Structural/civil engineering design/investigations; Buildings/components, bridges/silos/tunnels/public works; Earthquake/Wind/vibrations/fire/water/demolition damage; Construction defects/accidents; Code compliance; Errors/omissions; Failure analysis; Concrete/Shotcrete/Repair; Remediation/retrofit; Slip/trip & fall.
Degrees/Licenses
Ph.D.; M.S.; B.S. (Civil/Structural Engr., High Honors); Prof. Engr. (CA, TX); General Building Contractor (CA); NCEES National Record.
David Benaroya Helfant
Senior Project Engineer/Project Mgr.Seisco Engineering and and Bay Area Structural, Inc.
1187 Ocean Avenue, Emeryville, CA, 94608 Phone: (510) 547-8540 Alternate: (510) 496-9369 Fax: (510) 527-7785 Email: davidbhelfant@gmail.com www.seisco-inc.comSpecialties
Construction defect; Code compliance; Accidents, construction safety; Storm drainage, environmental investigations and mold testing; Concrete construction, curing, waterproofing; Foundations, repairs; Earthquake reinforcing; Litigation support, forensic investigations; ADR; Cost estimating; Casualty loss.
Degrees/Licenses
BS, PhD, Post Doctorate: Architecture & Engineering, CA "A"-Gen.Engr., CA "B"-Gen.Bldg., CA "C-21"-Demolition, Hazardous Remediation Lic., ICC #266760
Formal Education
BS, Cornell University, 1969; PhD, Statistical Analysis,University of Chicago, 1977; Post Doc., Architecture and Engineering, University of California, Berkeley, 1981-83; Post Doc., Architecture/Environmental Design.
Reg/Lic
Full Member-American Society of Civil Engineers; AIA, Assoc. Member, Professional Member, International Code Council, California General Engineering (A); California General Building (B); Hazardous Materials Removal and Remediation (HMRRC), Demolition and Structure Moving Licence (C-21).
Previous/Current Position
Design Principal, Seisco Engineering & Environmental Design Associates, General Mgr., Senior Project Engineer, Bay Area Structural, Inc., General Engineering Corporation. Research Specialist, Environmental Design Research; Professor, Community Development Studies; Professor, Public Administration. General Engineering and Environmental Designer and Construction Manager. Technical Expert - California State Contractors License Board. Certified Arbitrator, Cont. State License Board. Certified Arbitrator, Cont. State License Board.
Honors/Awards
US-Army Corps of Engineers-"Outstanding-Project"-1997; US-Air Force: "Outstanding Proj. Mgmt."-1999.
Prof. Affil.
American Society of Civil Engineers; Professional Member, International Code Council. American Institute of Architects, Assoc. Mbr; Associate member American Institute of Architects; Charter member Structural Engineering Institute, ASCE.
Publications
4 publications; Two books - Earthquake Safe: A Hazard Reduction Manual for Homes; Drainage Methods for Dry Buildings and Stable Sites (forthcoming).
Prior Expert
250 cases as an expert witness; 750 special investigations; 10,000 structural and engineering inspections and assessment reports.
Carl H. Josephson PE, SE
Principal Structural EngineerJosephson-Werdowatz & Associates, Inc.
6370 Lusk Boulevard, Suite F200, San Diego, CA, 92121-2753 Phone: (858) 558-2181 112 Fax: (858) 558-2188 Email: cjosephson@jwa-se.com www.jwa-se.comSpecialties
Expert witness testimony; structural design and construction defect investigations/evaluations. Wood, masonry, steel and concrete structures. Seismic and wind design, code review and analysis. ADR, computer graphics and animations. Add'l offices in Sacramento, Las Vegas & Scottsdale.
Degrees/Licenses
Registered Professional Engineer: SE (CA, NV, WA, AZ, ID, OR, HI, LA, UT, IL); PE (CO, OH, WV, CT, TX, KS, IN, MI, MO, NM, ND, NY, FL)
Formal Education
Carl Josephson: BSCE; Dan Werdowatz; BSCE, MSCE
Honors/Awards
SEAOC Fellow, SEI Fellow, Robert Cornforth Award, Emeritus Member California BPELSG, ASCE Life Member
Prof. Affil.
SEAOC, SEAOSD, SEAOSC, SEI, NCSEA, NCEES, SEAOA, SECB, ASCE, EERI, USRC, ICRI, ICC, NCMA, PTI, ACI, AISC, AWS, AWC
Prior Expert
Messrs. Josephson and Werdowatz have been retained in over 1,000 cases on behalf of plaintiffs, defendants, and cross-defendants.