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Plumbing Engineering Expert Witnesses

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William Acorn, P.E., FASHRAE
10617 N Hayden Rd, Suite B-108
Scottsdale AZ 85260
phone: (602) 888-7250
fax: 520-577-0851
William Acorn Technology Analysis ExpertWilliam R. Acorn, P.E., FASHRAE, is principal and founder of Acorn Consulting Services, LLC (ACS). For over 35 years, he has been involved in the Engineering Analysis and Design of hundreds of projects ranging from Institutional Laboratories to Cleanroom Facilities for the semiconductor industry.

Mr. Acorn has significant experience as an Expert Analyst of System Design, System Failures, Code Compliance issues and Cause/Effect relationships of problems related to the built environment. Mr. Acorn has received numerous awards for technical excellence and is recognized for his technical achievements, innovation and foresight by peers, associates and clients in the advanced technology industry.

Mr. Acorn is an Adjunct Professor at Arizona State University; the author of the book Code Compliance for Advanced Technology Facilities; and a frequent lecturer to the industry and academia on a variety of technical topics related to building and cleanroom design, construction and project management.

Mr. Acorn is registered as a Professional Mechanical Engineer in the States of Arizona, California, Colorado, Illinois, New Mexico, New York, Nevada, Oregon, Texas and Utah. He is also registered with the National Council of Examiners for Engineering and Surveying.

Forensic & Litigation Consulting

Analysis and evaluation of losses related to failed systems or other facility performance issues is provided on behalf of owners or attorneys. These services are provided with regard to deficiencies in HVAC Systems, Cleanrooms, Piping Systems, Refrigeration Systems, Construction Claims, Building and Fire Codes:
  • Litigation Consulting
  • Technical Analysis and Investigation
  • Claims Preparation and Analysis
  • Expert Testimony
  • Project Consulting

    ACS assists their clients to optimize the outcome of new and retrofit facilities by providing a range of high level services including:
  • Strategic Planning: Conceptual Design; Feasibility Studies & Evaluations; Value Engineering
  • Facility Retrofit and Renovation Strategies
  • Program Management: Project Delivery Strategies; Selection of Design and Construction Teams
  • Design Consulting and Design Review
  • Code Compliance Analysis and Negotiation
  • 4/11/2005 · Construction
    Introduction: In our first Volume of the Forensic Exchanger, we discussed some of the all too many reasons why HVAC systems fail. If you missed that edition and are interested in that topic e-mail us and we will gladly send it to you. We will follow up with more discussion of that important topic in later editions

    William R. Acorn
    Facilities which utilize hazardous liquids and gases represent a significant potential liability to the owner, operator, and general public in terms of personnel safety and preservation of assets. It is obvious that a catastrophic incident or loss of property or personnel is to be avoided at all costs. This book was conceived to give the reader a guide to understanding the requirements of the various codes and regulations that apply to the design, construction, and operation of facilities utilizing hazardous materials in their processes.
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    Bonneau Dickson, PE
    2428 McGee Ave
    Berkeley CA 94703
    phone: 510-845-8625
    fax: 510-845-4606
    Bonneau Dickson, PE, is a Sanitary Engineer with over 35 years of experience in all aspects of studying, designing, and constructing water, wastewater, and stormwater facilities, both in the United States and abroad.

    Mr. Dickson has designed approximately 300 water, wastewater, and stormwater projects. Has been resident engineer or otherwise participated in the construction phase of approximately 20 water and wastewater projects. Mr. Dickson has both project management and general management experience as project manager on approximately 175 projects.

    Forensic Engineering Experience - Mr. Dickson served as forensic technical consultant, expert witness, or claims analyst on more than 100 projects. With his decades of experience, he understands not only the engineering aspects, but also the financial, managerial, political, and personal aspects of legal issues. Mr. Dickson's expert services include succinct reports with explanations of complex engineering matters in layman’s language.

    Areas of Expertise:
    • Sewage Overflows
    • Wastewater Facilities Design
    • Wastewater Facilities Planning
    • Septic Systems
    • Water Facilities Design
  • Water Facilities Planning
  • Standard of Care
  • Stormwater Facilities Design
  • Stormwater Facilities Planning
  • PCE Contamination
  • Education - BS Civil Engineering, GA Tech; MS Sanitary Engineering, GA Tech; MA Sanitary Engineering, Harvard University; Master Of Business Administration, Harvard University

    View Bonneau Dickson's Consulting Profile.
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    Carl E. Peters, PE, PLS, PP, CO
    4525 Route 27
    Princeton NJ 08540
    phone: 609-751-4104
    Carl E. Peters, PE, PLS, PP, CO, has a broad range of expertise in the areas of Land Use, Municipal Engineering, and Code Enforcement in the State of New Jersey. His rare combination of professional credentials enables him to analyze the development process from concept design through issuance of a Certificate of Occupancy. He is one of fewer than ten people in New Jersey who holds licenses as a:
    • Professional Engineer
    • Professional Land Surveyor
    • Professional Planner
  • Construction Official
  • Building Official
  • Plumbing Official
  • Litigation Support - Mr. Peters' expertise is beneficial in the resolution of disputes between project owners, design professionals, contractors, and insurance carriers. He has testified before the Planning Board, Zoning Board, Historic Preservation Review Committee, and Site Plan Review Advisory Board, and NJ Civil Courts. He is also a mediator on the roster of the NJ Civil Courts.

    Mr. Peters provides litigation support for counsel representing both Plaintiff and Defense. His cases have involved:
    • Engineering Matters
    • Property Line Disagreements
    • Drainage Problems
    • Streets and Sidewalks
    • Sewers
    • Construction Disputes
    • Land Use
  • Land Surveying
  • Construction Codes
  • Construction Permits
  • ADA Compliance
  • Local Government Matters
  • Engineering Malpractice
  • View Carl Peters' Consulting Profile.
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    Joe M. Beard, PE, CEM
    P.O. Box 102
    Sparks NV 89432
    phone: 775-359-4692
    Joe Beard Mechanical Systems Expert PhotoJoe M. Beard, PE, CEM, is a Mechanical Engineer with over 40 years of experience in the Design, Inspection, and Testing of Mechanical, Plumbing, and Process Systems. He has been serving as a Forensic Engineer in Nevada and California since 1992.

    Mr. Beard recently qualified by examination as a Certified Environmental Manager (CEM) in the state of Nevada, allowing him to provide environmental services and opinions. He has also been a registered Control Engineer in California since the 1980s.

    Background Experience - Prior to establishing his consulting firm, Joe M. Beard and Associates (1973-1992), Mr. Beard entered active duty in the United States Marne Corps. He proudly served as a 1st Lieutenant with an artillery MOS and was awarded the NAVY COMMENDATION MEDAL with Combat "V" for meritous service in combat operations in the Republic of Vietnam.

    Litigation Support - Joe Beard provides expert witness and arbitration services to counsel representing both plaintiff and defense. He recently opined in a case involving the containment failure accident of a 13,500 gallon hydrochloric acid tank. Contrary to opposing experts' opinions, the RFP tank did not fail due to extreme overpressure. An "Implosion" of H2+O2 gases at the top of the tank caused the stored 10,000 gallons of liquid to move violently, rock the tank and cause a torsion fracture in an outlet pipe at the bottom of the tank. His other case experience has included the Design, Inspection, and Investigation of:
    • Controls
    • Chemicals
    • Fires
    • Industrial Roll-Over Accidents
    • Moisture & Mold Related Failures
    • HVAC
    • Plumbing
  • Industrial Processes
  • Building Code Requirements
  • Explosions
  • Auto Accidents
  • Tire Failures
  • Chemical Accidents
  • Fires
  • View Joe Beard's Consulting Profile.
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    Ray G. Helmer, P.E.
    9314 Bankside Drive
    Houston TX 77031-1713
    phone: 713-777-7611
    fax: 713-774-6881
    Ray Helmer is a Licensed Professional Engineer in the states of Texas, Oklahoma, Alabama, Ohio and Kansas. He is available to perform Expert Witness Services in all 50 states.

    Areas of Expertise:
  • Civil, Structural and Forensic engineering
  • Highway engineering, roadways, sight distance
  • Concrete and Asphalt Pavements
  • Highway / Street lighting
  • Traffic engineering, signals, signs, striping
  • Traffic noise studies
  • Accidents – automobile, train, motorcycle, pedestrian
  • Traffic accident testimony involving city / County / State DOTS
  • Hydraulics, hydrology, drainage, flooding
  • Sanitary engineering, sewers, overflows
  • Water treatment, distribution, pumping
  • Water disinfection byproducts (DBPs)
  • Wastewater treatment plants, lift stations
  • Soil expansion, contraction, settlement
  • Foundation failure, structural damage
  • Plumbing, leaks, water intrusion
  • Airports, FAA standards, runways, taxi ways, ramps
  • Bridges, buildings, corrosion, concrete cracking
  • Construction defects, fraud, accidents, delays, estimates
  • Hydroplaning is frequently alleged to be a cause of vehicular traffic accidents. This is because many persons, even law enforcement personnel, may not know the technical definition and criteria for hydroplaning.

    Many vehicular accidents happen because drivers are in too much of a hurry or they are distracted by any number of things. They just are not paying close enough attention to their surroundings. Traffic accidents at signalized intersections are common where both drivers claim the other driver is at fault.

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    Scott Friesen, PE
    Senior Consultant
    Contact Rush Porter, Director of Business Development
    8330 Juniper Creek Lane
    San Diego CA 92126
    phone: 858-587-2874
    fax: 858-587-6749
    Scott Friesen Energy Engineering Expert PhotoScott Friesen, PE, is a licensed Professional Engineer in California, Florida, Arizona, Hawaii, Mississippi and two Canadian provinces (Alberta and Manitoba), and is LEED Accredited (CaGBC) and certified as an Energy Manager. Scott has more than 14 years of experience in Design and Construction of HVAC, Plumbing and Building Energy Conservation, System Design, Construction and Forensic Analysis. He has also performed commissioning, energy audits and was involved in marketing and business development.

    Scott's responsibilities at Ivey include design and forensic analysis of HVAC, plumbing, fire protection and energy management systems. He performs site inspections, testing, research, product analysis, cost estimating and is responsible for writing reports and testifying in depositions, hearings and trials.

    Scott is a member of Association of Professional Engineers, Geologist, Geophysicists of Alberta (APEGGA), American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), Association of Energy Engineers (AEE) and Canadian Green Building Council (CaGBC).

    Experience (partial listing):
    • Approximately 75 HVAC, fire protection and plumbing design projects
    • Approximately six design error and omission expert engagements
    • Approximately 20 residential construction defect expert engagements
    • Approximately 16 commercial construction defect expert engagements
    • 10 LEED design projects
    • 8 HVAC and plumbing commissioning projects
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    John B. Giacoma
    1155C Arnold Drive, Suite 258
    (San Francisco bay area)
    Martinez CA 94553
    phone: 925-681-3342
    fax: 707-649-1503
    John B. Giacoma provides consulting and evaluation services for Plumbing, Mechanical and HVAC related projects. He has over 40 years of field experience as a tradesman Plumber and Contractor.

    Mr. Giacoma has installed, supervised, managed, consulted and designed Mechanical, Plumbing and HVAC projects for Residential, Commercial and Industrial sites. He works with attorneys representing both Plaintiff and Defense.

    • Construction Defects
    • Personal Liability Claims
    • Asbestos Exposure
    • Construction Claims
    • Cost Estimating
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    James Partridge, PE
    925 South Adams Road
    Birmingham MI 48009
    phone: 248-645-1465
    fax: 248-645-1590
    James Partridge is a Building Forensics Engineering Expert with over 40 years of experience. His expertise and experience has, and continues to, assist him in expert witness analyses and helps him to assist clients in Assessing Design and Installation Deficiencies, Maintenance Issues and System Failures. His knowledge of current codes and standards ensures his clients a case presentation that is technically accurate and scientifically supportable. JPC offers: Comprehensive Investigation, Analysis, Forensic Engineering and Expert Witness services in Analysis of Residential, Commercial and Industrial Buildings, Building Systems, Mechanical Engineering, Plumbing, Carbon Monoxide Poisoning, Scald Injuries, Water Intrusion and Mold issues, Insurance Evaluations, Building Systems Forensic Engineering, Fire Protection Systems – for all building types.

    View Consulting Profile.
    Residential indoor air quality, historically, has not been a major concern because the envelope and window leakage provided inhabitants with sufficient outdoor air. Older residential buildings are sufficiently leaky such that infiltration alone can meet the minimum outdoor air requirements for residential ventilation. In an increased environmentally conscious society, many individuals have become more aware of their resource consumption, and are implementing enclosure draftstopping, attic insulation, and window replacement.

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    Michael D. Haughey, PE, HBDP, CEM, LEED AP
    5556 West 75th Drive
    Westminster CO 80003
    phone: 303-650-1080
    Michael D. Haughey, PE, HBDP, CEM, LEED AP is a Mechanical Engineer since 1974 with experience in Mechanical Systems Design, Analysis, Consulting, Energy Studies, Energy Audits, and Sustainability Consulting. His experience includes design of HVAC, fire protection, plumbing, and energy management systems for a wide array of facilities, including institutional, commercial, industrial, and residential.

    Mr. Haughey's litigation support services are available to expert witness specialists, attorneys, insurance companies, defendant companies, and claimants and include independent testimony at depositions or trial, witness of observations, analyses, and expert opinion.

    Areas of Expertise:
    • HVAC Design
    • Mechanical Engineering
    • Solar Systems
  • Low Energy Mechanical Systems
  • Sustainability and LEED
  • High altitude design
  • Evaluation of Building Mechanical Systems:
    • Systems and Component Sizing, Load Calculations
    • Energy-efficiency
    • Code Compliance
    • Sustainability, general conformance to LEED standards
    Evaluation of Building:
    • Energy-efficiency
    • Sustainability, general conformance to LEED standards
    View Michael Haughey's Consulting Profile.
    4/9/2014 · Engineering
    Cooling for indoor Grow Ops involves more than simply adding up the lighting watts and converting that into cooling tons. Plants release a surprising amount of moisture into the air (by transpiration, plus evaporation from the soil), and this has to be accommodated as latent load in the air conditioning equipment. The result when using standard air conditioning equipment for dehumidification will often be over-cooling or insufficient dehumidification. Adding in-room dehumidifiers can help, however they normally reject the heat from the process back into the room, which the air conditioning equipment needs to remove.

    1/28/2014 · Engineering
    I expect that in the future architects, owners, engineers, and occupants will work together to “engineer” buildings as active, “living” systems that put more energy back into the grid than they use and also help to clean the air and water in the nearby communities.

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    Gerald Roy Spencer, P.E.
    4635 Southwest Freeway - Suite 900
    Houston TX 77027
    phone: 1-800-383-9685
    MEP Engineer of Record for the design and construction of more that 1300 MEP projects located in the USA, Europe, Canada, Asia, South America, and Carribbean since 1965.

    REGISTERED PROFESSIONAL MECHANICAL ENGINEER and Engineer of Record for the design and the construction of HVAC, & Plumbing Systems

    REGISTERED PROFESSIONAL ELECTRICAL ENGINEER and Engineer of Record for the design and the construction of Interior and Exterior Lighting Design, Interior Electrical Power Distribution Systems, Exterior Power Distribution to Class 35kV, Large Un-interruptible Power Systems, Large Emergency Power Generation Systems to 750kVA, Electrical Power Quality Analysis Documentation & Harmonic Current Attenuation Design

    EXPERT WITNESS SERVICES for Facility HVAC, Electrical Power. Lighting and Plumbing Systems; Construction Contract Administration Services; Project Construction Cost Estimating Services; Life Cycle Cost Analysis Report Services; Energy Consumption Analysis Report Services; Diesel power engine-generators and fuel systems; UPS systems; Data Processing power and Grounding systems;