W. Charles Perry & Associates
Principal EngineerW. Charles Perry, PE
231 W. 41st AvenueSan Mateo, CA 94403 Phone: (650) 638-9546 Alternate: (415) 509-2956 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).
Fari Barzegar PhD, P.E.
Founding Principal EngineerHabitat Engineering & Forensics, INC.
446 - 17th Street, Suite 300Oakland, CA 94612-2808 Phone: (510) 891-0300 Alternate: (510) 717-3600 Fax: (510) 891-0333 Email: Fari@HabitatEngineering.com Website: www.drbarzegar.com
Specialties
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 PhD
Senior Project Engineer/Project Mgr.Seisco Engineering and and Bay Area Structural, Inc.
1187 Ocean AvenueEmeryville, CA 94608 Phone: (510) 547-8540 Alternate: (510) 496-9369 Fax: (510) 527-7785 Email: ebhelfant@gmail.com Website: www.seisco-inc.com
Specialties
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.
Registration and Licenses
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 License (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. Affiliations
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.
Josephson-Werdowatz & Associates, Inc.
Principal Structural EngineerCarl H. Josephson, PE, SE
Dan R. Werdowatz, PE, SE
Stephen P. Kerr, PE, SE
6370 Lusk BoulevardSuite F200
San Diego, CA 92121-2753 Phone: (858) 558-2181 x112 Fax: (858) 558-2188 Email: cjosephson@jwa-se.com Website: www.jwa-se.com
Specialties
Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in twenty-nine states, has provided structural design and construction defect investigations/evaluations across the United States and abroad. Structural evaluations included wood, masonry, steel, and concrete structures as well as specialty materials. JWA has extensive experience in seismic and wind design. Evaluations also included code review and analysis, and standard of care analysis. JWA also provides consulting on geotechnical structures such as special foundations, underpinning, retaining walls, tie-backs, and soil nails, among others. JWA strives for a reasoned, accurate, and practical solution to structural engineering problems and deficiencies. Additional offices in Sacramento, Las Vegas, & Scottsdale.
Degrees/Licenses
Registered Structural Engineers: (CA, AZ, HI, LA, NV, OR, UT, WA); Registered Professional Engineers: (CO, CT, FL, ID, IN, KS, KY, MI, MO, MS, NM, NY, NJ, ND, OH, SC, TX, WV, WI)
Formal Education
Carl Josephson: BSCE; Dan Werdowatz; BSCE, MSCE
Honors/Awards
SEAOC Fellow, SEI Fellow, Robert Cornforth Award, Eugene Corley Award, Emeritus Member California BPELSG, ASCE Life Member
Prof. Affiliations
SEAOC; SEAOSD; SEAOSC; SEI; NCSEA; NCEES; SEAOA; SELC; ASCE; EERI; ICRI; ICC; NCMA; PTI; ACI; AISC; AWS
Prior Expert
Messrs. Josephson and Werdowatz have been retained in over 1,500 cases on behalf of plaintiffs, defendants, and cross-defendants.