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Heating Ventilating Air / HVAC Expert Witnesses

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Curt M. Freedman, PE, CEM, CEA, LEED AP
24 Ridge Road
Longmeadow MA 01106
USA
phone: 413-567-1175
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Curt Freedman Forensic Engineering Expert PhotoCurt M. Freedman, PE, CEM, CEA, LEED AP, has over 30 years of experience as a Mechanical Engineer. He is registered to practice in Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Maryland, and Ohio.

Litigation Support - Mr. Freedman provides forensic engineering services for the insurance industry and attorneys representing Plaintiff and Defense. With a portable microscope diagnostic camera, his investigations include material science evaluations, as well as mechanical and structural evaluations. Mr. Freedman's background also includes designing, engineering, and constructing HVAC systems, plumbing systems, and utility conservation products for the residential, commercial, and industrial sector.

Curt Freedman also offers professional forensic services for the Investigation of Child Heatstroke / Hot Car Incident Deaths. His detailed services in this area include evaluation, field testing, and analytic modeling to determine real time interior temperature of the subject vehicle.

Areas of Expertise:
  • Appliances
  • Building Temperature Modeling
  • Carbon Dioxide Gas Testing
  • Carbon Monoxide Investigations
  • Compressed Air Systems
  • Construction Cost Evaluations
  • Controls Systems
  • Fire Sprinkler Systems
  • Flat Plate Solar Panels
  • Forklifts
  • Furnaces
  • Hydronic Boilers
  • Industrial Accidents
  • Fire Sprinkler Head Failures
  • Ladders
  • Loss of Heat / Fuel Freeze
  • Manufacturing Equipment Accidents
  • Metallic Pipe Fitting Failures
  • Motor Failures
  • Plastic Fitting Failures
  • Plumbing / Piping Systems
  • Rooftop HVAC Equipment
  • Stairs, Ramps
  • Slips & Falls
  • Steam Boilers
  • Photo-voltaic Solar Panels
  • Pump Failures
  • Solar Insolation Modeling
  • Toilet Failures
  • Water heater failures;


  • View Curt Freedman's Consulting Profile.
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    Dr. Richard Lynch, Ph.D., CIH
    President
    21 Scott Street
    Riverside NJ 08075
    USA
    phone: 856-764-3557
    fax: 856-764-3558
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    Environmental Safety Management Corporation, Dr. Richard Lynch, Ph.D., CIH, CMC, CMRS, CHFM. Dr. Lynch, a former Professor of Industrial Hygiene, peer-reviewed published author and practicing consultant since 1992, provides defense and plaintiff litigation support for indoor air quality, mold contamination, chemical exposure, infection control and legionella in hospitals, offices, schools and residential dwellings. Dr. Lynch has published research related to mercury contamination in rubberized gym floors, mold contamination in buildings, irritation associated with blown cellulose insulation and other topics. Clients include law firms, insurance companies, manufacturing, health care, commercial, office, schools & residential facilities.

    Expertise & Services:
    • Certified Industrial Hygiene Consulting
    • Indoor Air Quality & Sick Building Syndrome Assessments
    • Mold Testing and Remediation Design/Verification
    • Water & Sewage Damage Clean-up Specifications and Testing
    • HVAC Assessment Services
    • Healthcare Microbial & Chemical Testing & Infection Control Risk Assessments,
    • Ergonomics Assessments
    • Legionella and Healthcare Acquired Infection support
    • OSHA Compliance
    • Litigation Support & Expert Witness Services
    As a Fellow of the American Industrial Hygiene Association, Lynch is expert at forensic hazard identification, measurement, noise assessments and control for chemical, biological and ergonomic hazards.
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    PO Box 702
    Jefferson City TN 37760
    USA
    phone: 865-471-8142
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    Roger W. Griffith, P.E. has over 34 years of experience as a registered professional Mechanical Engineer in design, maintenance, and operation of mechanical systems. He specializes in the areas of Plumbing, HVAC, and Fire Sprinkler Systems Design.

    As the principal of Griffith Engineering & Consulting for 17 years, his design experience with commercial and industrial projects includes convention centers, schools, office buildings, condominiums, apartment buildings, hotels, churches, manufacturing facilities, medical buildings, restaurants, historic buildings, dormitories, fire halls, and maintenance facilities.

    Litigation Support - Since 2002, Mr. Griffith has been providing forensic engineering, consulting, and expert witness services that are thorough, credible, and timely. He also assists clients through the mediation and arbitration process.

    Mr. Griffith's expertise is available to plaintiffs and defendants on the issues of plumbing, mechanical, and fire sprinkler system defects and failures. His expert testimony is based upon independent and impartial investigation, research, analysis, and testing. His services include written reports and the preparation of exhibits. He is a Registered Professional Engineer in Alabama, Arizona, Arkansas, Colorado, Florida, Georgia, Indiana, Iowa, Kentucky, Louisiana, Minnesota, Mississippi, North Carolina, Ohio, South Carolina, Tennessee, Texas, and Virginia.

    Areas of Expertise:
    • HVAC Design
    • Plumbing Design
    • Pipe Failures
    • Plumbing Component Failures
    • Sprinkler System Failures
  • Hot Water Systems / Scalding Water
  • Water Heater Failures
  • Gas Venting / Carbon Monoxide Poisoning
  • Fuel Gas Fires and Explosions
  • Legionella
  • View Roger W. Griffith's Consulting Profile.
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    Ray G. Helmer, P.E.
    Principal
    9314 Bankside Drive
    Houston TX 77031-1713
    USA
    phone: 713-777-7611
    fax: 713-774-6881
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    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.

    Ray Helmer has acted as an Expert Witness and as a consultant to both plaintiffs and defendants and their representing counsel in the resolution of numerous cases. He has been called as a consultant in cases involving insurance companies, utility companies, state highway departments, railroad companies, private companies, and land and commercial developers.

    As an Expert Witness/Consultant, Mr. Helmer enjoys a reputation for his rigorous attention to detail and professional expertise. He spends a considerable amount of time inspecting the sites where the alleged instances occurred, taking photographs, preparing detailed surveys, and reports, reviewing witnesses' statements and depositions, and using his professional knowledge and expertise to provide accurate and impartial assessments.

    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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    John Hatcher, PE, MBA, CPP, CSC, CPMP, CHSIII, LEED AP
    President
    5010 Wright Road Suite 150
    Stafford TX 77477
    USA
    phone: 832-242-1600
    fax: 832-242-1604
    John is an industry leader in Building Systems Engineering including, Security, Building Automation Systems, Fire Alarm Systems, Intelligent Building Concepts and Commissioining. He has worked on some of the most prestigious facilities in the world including the Americas, Europe, Middle East, Russia, India and Southeast Asia.

    Security Expertise:
  • Access Control
  • CCTV Surveillance
  • Emergency Communications
  • Operations
  • Risk Assessments
  • Building Automation Expertise:
  • Energy Management
  • HVAC Controls
  • Operations
  • MEP Commissioning
  • Other Systems Expertise:
  • Fire Alarm
  • Telecommunication
  • Intelligent Buildings
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    Scott Friesen, PE
    Senior Consultant
    Contact Rush Porter, Director of Business Development
    8330 Juniper Creek Lane
    San Diego CA 92126
    USA
    phone: 858-587-2874
    fax: 858-587-6749
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    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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    James D. Madden, PE
    Senior Forensic Engineer
    8803 Brecksville Road,Suite 7-216, Cleveland, Ohio 44141
    1700 West Market Street, Suite 318, Akron, Ohio 44313
    --------------------
    ALL STATES
    USA
    phone: 440-838-1191
    fax: 440-838-1192
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    Regularly working in OH, PA, MI, NY & nearby states.
    Available Nationwide

    James D. Madden PE has over 40 years of experience as an Engineer including 17 years of Engineering Design, Industrial Operations, and Construction assistance, and 30 years of Forensic Engineering experience. James D. Madden's background includes the application of mechanical and chemical engineering research, industrial operations, equipment design, and facilities design with emphasis on Safety Analysis, Safety Design, and Safety Operations. James D. Madden's Forensic Experience has been based on principles of mechanical and chemical engineering and the principles of:

    • Human Factors
    • Safety Design
    • Safeguarding, including Machine Guards
    • Warnings
    • Codes, Standards and Recommended Practices

    Accidents Investigated by James D. Madden include:

    • Commercial / Industrial Equipment and Consumer Products
    • Chemicals, Gases, and Materials
    • Equipment and Industrial Fires and Explosions
    • Hazardous Combustion, including Furnace & HVAC Malfunction with Carbon Monoxide Poisoning
    • Industrial, Commercial, and Construction Operations and Facilities
    • Building and Property safety - Slips, Trips, Falls
    • Traffic Accidents including Roadway Design and Condition

    James D. Madden has worked over 30 years as a forensic engineer. In this time, James D. Madden has prepared over 600 written expert reports, and over 60 expert affidavits with technical content in response to motions. James D. Madden has provided testimony in over 90 discovery depositions and has testified in over 75 trials in local, state, and federal courts in several states. James D. Madden's services initially include consultation, on-site investigation, inspections, data collection, and preliminary evaluation. In addition, James D. Madden also provides calculations, testing, research, accident analysis, equipment and facilities analysis, accident and crash reconstruction, and verbal and written expert reports. James D. Madden's expert witness testimony is available for depositions, arbitrations, hearings, and trials.

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    Dr. James Rice
    3255 Avebury Lane
    Keswick VA 22947
    USA
    phone: 434-326-0148
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    Dr. James Rice Mechanical Engineering Expert PhotoDr. James Rice has over 35 years of technical and managerial experience in both industry and academia. He has a strong technical background in broad areas of mechanical engineering ranging from fluid mechanics and heat transfer to basic design. Dr. Rice’s primary expertise is in computational methods and simulation in mechanical engineering. His mechanical engineering practice has focused in particular on the development and application of these methods to a diverse range of applications in industry, and has also used these methods in his litigation support activities.

    Dr. Rice has extensive experience as an expert witness in patent litigation involving issues in Mechanical Engineering. Over the last ten years, he has provided litigation support in more than 30 cases including approximately 25 patent cases. This experience has included the preparation of numerous expert reports, depositions, and trial testimony for both plaintiff and defense attorneys. His litigation support activities have also included testing and analysis as required to support his opinions.

    Dr. Rice is the author of over 30 technical publications and has consulted for over fifty companies. He has conducted over 200 seminars and short courses in the U.S., Europe, and the Orient, and has been an invited speaker at international engineering conferences.

    Expertise:
    • Computational Methods
    • Heat Transfer / Thermodynamics
    • Turbomachinery
    • Combustion
    • Fluid Mechanics
  • Finite Element Analysis
  • Mechanical Design
  • Intellectual Property
  • Prior Art Review
  • Infringement & Invalidity
  • Industries and Applications:
    Automotive:
    • Vehicle Aerodynamics
    • Passenger Compartment Flow
    • Underhood Flow & Heat Transfer
    • Intake & Exhaust Manifolds
    • Intake & Exhaust Valves
    • Engine Cooling Jackets
  • Power Steering Components
  • Cooling Fans
  • Fuel Delivery Systems
  • Ejectors
  • Control Valves
  • Torque Converters
  • Power Generation:Electronics:
    • Valves
    • Fossil & Nuclear Heat Exchangers
    • Thermal Stratification
    • Separation Systems
    • Combustion Systems
  • Enclosures
  • Heat Sinks
  • Natural / Forced Convection
  • Hard Drive Flow
  • Motors
  • HVAC:Turbomachinery:
    • Duct Systems and Components
    • Valves, Fittings
    • Flow & Temperature Distribution
    • Particle Dispersion
  • Pumps
  • Compressors
  • Blowers
  • Fans
  • Aerospace:
    • Aerodynamics
    • Wind tunnels
    • Rotor Loads
    6/24/2013 · Expert Witnessing
    Quite often when I receive an inquiry from an attorney about a new case, the case deals with a product or device that involves a very specialized and narrow area of design and engineering.

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    Gerald Roy Spencer, P.E.
    President
    4635 Southwest Freeway - Suite 900
    Houston TX 77027
    USA
    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;
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    Matthew Warren
    Main Contact
    Mail: PO Box 1608
    Visit: 7805 Saint Andrews Road
    Irmo SC 29063
    USA
    phone: 888- 827-7823 / 803-732-6600
    fax: 803-732-7576
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    Warren Forensic Engineers and Consultants, founded in 1997, is extremely well versed in the disciplines of Mechanical, Electrical, Chemical, Structural, and Fire and Explosion investigation. Their engineers are known for delivering the truth — origin, cause, responsibility, and cost of an event or claim — with unmistakable clarity. Warren Forensics provides technical investigations and analyses of personal injury and property claims as well as expert testimony for insurance adjusters and attorneys. Each member of their engineering team is a licensed professional engineer (P.E.) in multiple states. Beyond engineering expertise, their engineers and consultants also hold a variety of other certifications including Certified Fire and Explosion Investigator, Certified Vehicle Fire Investigator, Certified Fire Investigation Instructor, CMSE®-Certified Machine Safety Expert, Certified Safety Professional, Certified Building Inspector, and Certified Property and Evidence Specialist. 

    Types of Loss:

    • Chemical: Ammonia - Confined Space - OSHA
    • Collision: Animal - ATV - Automotive - Bicycle - Farm Equipment - Motorcycle - Pedestrian - Truck
    • Commercial: Construction Defects - Construction Related Losses - Electrical and Control Systems - Liability Claims - Lightning Damage - Mechanical Systems - Roofing - Slip, Trip and Fall - Structural - Water Damage - Workplace Injuries
    • Fires and Explosions: Boiler - Commercial - CSST - Dust Explosions - Electrical - Fire Protection Systems - Industrial - LP and Natural Gas - Machinery and Equipment - Marine - Residential - Spontaneous Combustion - Structural - Vehicle and Mobile Equipment - Welding and Hot Work
    • Industrial: Boilers and Pressure Vessels - Construction Defects - Construction Related Losses - Cranes, Hoists, Lifting and Rigging - Electrical and Control Systems - Industrial Process Equipment - Liability Claims - Lightning Damage - Machinery and Equipment - Material Handling - Mechanical Systems - Roofing - Slip, Trip and Fall - Structural - Water Damage - Workplace Injuries
    • Inland and Ocean: Boilers and Pressure Vessels - Bulk Material Handling - Cargo Damage Assessment - Cargo Handling - Cranes, Hoists, Lifting and Rigging - Docks and Piers - Machinery and Equipment - Marinas - Marine Collisions - Marine Fire Protection Systems - Marine Liability Analysis - Mechanical and Electrical Systems - Slip, Trip and Fall - Workplace Injuries
    • Residential: Construction Defects - Construction Related Losses - Electrical Systems - Lightning Damage - Mechanical Systems - Roofing - Slip, Trip and Fall - Structural - Water Damage
    • Subrogation: Consumer Products - Electrical - Fire and Explosions - Machinery and Equipment - Workers’ Compensation
    • Catastrophic: Earthquake - Flood - Freeze, Ice and Snow - Hail Storm - Hurricane - Tornado - Wildfire - Wind Storm and Wind Shear

    Featured Experts:

    10/8/2018 · Chemical Industry
    On December 3, 1984, at a pesticide ingredient manufacturing facility owned by Union Carbide, a leak occurred in the Methyl Isocyanate (MIC) plant. Due to the toxic nature of the gases released and the plant's proximity to local residences, the death toll was in the thousands; both plant workers and nearby residents. The first recorded public meeting in response to this incident was on December 9th, in Institute, WV, the site of Union Carbide's only US MIC production unit. Full disclosure: my father was a research & development chemist for Union Carbide and Institute is about 10 miles down the Kanawha River from my hometown of Charleston, WV.

    Welcome to the second part in our multipart blog series examining a young boy's fall and injury at a public playground. If you missed the first part in this series, click www.warrenforensics.com/2017/10/11/children-will-fall-at-playgrounds-what-shall-we-do-to-protect-them-a-multipart-blog-series-part-i/ to read it. In this post, we will highlight some resources that designers of public playgrounds can use to help ensure their designs are reasonably safe.

    Many people just take for granted that something is just going to work, and in many cases assume that it will work forever. One such device that does not get enough attention is the Ground Fault Circuit Interrupter (GFCI). Simply put, a GFCI is a protective device that compares the current flowing on the hot and neutral wires of the circuit and will "trip" to disconnect power to the circuit if a small imbalance of current is detected. The imbalance of current is an indication of a dangerous alternate path for the current to flow from a damaged line cord or a fault inside an appliance and constitutes a shock hazard to a person.

    In 2011, a 5-year old boy was severely injured at a public playground when he fell through a second floor opening around a fireman's pole in a playhouse. He fell more than seven feet and struck a bare concrete floor. We are thankful that he eventually recovered from his injuries. The person who designed and built the playground was accused of negligence. A lawsuit ensued, and eventually settled in favor of the boy.

    Event Data Recorders (EDRs) were first introduced by General Motors (GM) in 1974. That data was only available to GM; however, since 1994 more and more vehicle EDR’s have recorded data that can be gathered. The data captured can be imaged and is being used by vehicle manufacturers, law enforcement officers, and collision reconstructionists to better understand what is happening in a collision. In accident investigation, EDRs have the potential to provide independent measurements of crash data that would elsewise be estimated by reconstruction methodology.

    6/27/2018 · Corrosion
    When thinking about the safe operation of boilers (and don't we all?), several systems can readily be named; flame control, fuel/air ratio; steam pressure control, levels in the vessel, etc. What about the water? It seems so passive, as long as there is enough for level control, what's the big deal? Well, it turns out, that as the steam produced by a boiler is used in the process, the condensate from that steam is returned to the boiler as feedwater. However, since 100% of the condensate is not returned, whatever solids had been in that water before it evaporated to form steam are left in the remaining water. Fresh feedwater is added to maintain levels, but even fresh water contains some dissolved solids. So over time, the water in the boiler system gets saturated with all sorts of dissolved minerals.