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: davidbhelfant@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.
Energy Resource Associates, Inc.
PresidentJames P. Waltz, PE
1280 Greenbrier RoadWest Sacramento, CA 95691 Phone: (925) 518-2006 Alternate: (925) 447-1140 Fax: (925) 447-1706 Email: jpwaltz@eraenergy.com Website: www.eraenergy.com
Specialties
Construction defect expert witness; Heating, ventilation and air conditioning (HVAC); Indoor air quality; Mechanical and electrical building systems; Performance contracting; Site survey, and testing; Discovery, interrogatories, depositions and mediation; Plaintiff and defense.
Degrees/Licenses
Board Cert. Forensic Engineer; BSME, MBA, Prof. Engineer (CA, NV), Cert. Energy Manager.
Langan Engineering & Environmental Services
Senior ConsultantPhilip T. Tringale, PhD
135 Main StreetSuite 1500
San Francisco, CA 94105 Phone: (510) 874-7000 Email: ptringale@langan.com
Specialties
Dr. Tringale provides expert testimony for cases involving National Contingency Plan compliance, identification of contaminant sources, magnitude and extent of contamination, remedial cost estimates, and allocation of cost and responsibility.
Formal Education
Ph.D., Civil Engineering, University of California, Berkeley, 1982; M. Eng., Civil Engineering, University of California, Berkeley, 1979; M.S., Civil Engineering (Engineering Geology), Drexel University, Philadelphia, 1977
Registration and Licenses
Professional Engineer (P.E.) in California and New York
Previous/Current Position
Previous: Director of the Western Region; Current: Senior Consultant
Honors/Awards
American College of Forensic Examiners (Diplomat/Fellow), Chi Epsilon, National Civil Engineering Honor Society; Patent: Acoustic Penetrometer for Subsurface Soil Characterization
Prof. Affiliations
American Society of Civil Engineers; National Ground Water Association; International Society for Soil Mechanics and Foundation Engineering
Prior Expert
Landfill investigation and closure; Cleanup of 200-acre waterfront site; Investigation and remediation of a 5-mile-long plume of contaminated groundwater emanating from beneath a manufacturing facility; Investigation and remediation of soil and groundwater contaminated at a metal-parts fabrication plant; Site investigation and remediation program at an industrial site
John Shaw PE
John Shaw Consulting, LLC
Phone: (530) 550-1576 Email: John@shaweng.com Website: www.shaweng.comSpecialties
Water/wastewater/sewer industry - both operations, civil and hydraulic engineering background. Treatment conveyance, sewer collection, re-use/disposal, sewage lift station design, sludge. Pipelines, pools, pump stations. Regulatory compliance/safety.
Degrees/Licenses
BS, Civil Engineering; PE (CA, NV, VT, OR, WI, OH, WA, MI, AZ, GA, NC, VA, MD, NY, FL, TX, MT, MA, IN, MO, UT, ME, TN, WDC, KY, HI, NM).
Bonneau Dickson PE
Consulting Sanitary Engineer 2428 McGee AvenueBerkeley, CA 94703-1600 Phone: (510) 845-8625 Fax: (510) 845-4606 Email: dickson.bonneau@gmail.com Website: www.bonneaudickson.com
Specialties
Water and wastewater projects; Sewers; Sewer Overflows; Septic tanks; Coliform contamination; Remedial measures and their costs; Recruitment of expert teams, investigation, analysis, summarization of voluminous documents into succinct yet thorough summaries. Forty years experience.
Degrees/Licenses
BSCE, MS, MA, MBA, PE Civil (CA).