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Mechanical Failure Expert Witnesses

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William Acorn, P.E., FASHRAE
Principal
10617 N Hayden Rd, Suite B-108
Scottsdale AZ 85260
USA
phone: (602) 888-7250
fax: 520-577-0851
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William Acorn Technology Analysis Expert

William R. Acorn is founder of Acorn Consulting Services, LLC, an engineering firm. As a consulting mechanical engineer, Bill provides project analysis, forensic reconstructions and litigation support services relating to the design, delivery and functioning of high-tech manufacturing facilities, semiconductor fabrication facilities, institutional laboratories, data centers, health care facilities and a variety of commercial buildings. He is a recognized expert in the evaluation of deficiencies in HVAC systems, cleanrooms, piping systems, refrigeration systems, construction defects, building and fire code compliance, and patent and trade secret disputes. He represents both plaintiffs and defendants.

Bill has more than 40 years of experience as a professional engineer and is a recognized expert in assessing, evaluating, remediating and providing testimony on complex project design, construction and operational matters. His consulting expertise has been influential in shaping approaches to code compliance and life safety in semiconductor and similar advanced technology facilities.

  • Registered as a Professional Mechanical Engineer in the States of Arizona, California, Colorado, Illinois, Iowa, Nevada, New Hampshire, New Mexico, Oregon, Texas, Utah and Washington.
  • Registered with the National Council of Examiners for Engineering and Surveying NCEES (Certificate No. 6999)
  • Fellow in the HVAC industry leading organization ASHRAE
  • Visiting lecturer at the Arizona State University Del E. Webb School of Construction in Tempe, AZ
  • Advisor to CREATE, ACE – Alliance for Construction Excellence and the IAB – Industry Advisory Board, all affiliated with ASU

Building Systems Analysis:

  • HVAC and Refrigeration
  • Process and Power Piping
  • Plumbing Systems
  • Standard of Care in Design and Construction
  • Chemical Exposures in the Workplace
  • Cleanroom Design and Performance
  • Codes and Standards
  • Patent and Trade Secret Disputes

Bill’s pragmatic approach to both forensic and litigation consulting as well as project consulting is based on more than 40 years of real-world experience as a design professional, mentor and forensic analyst, as well as many years as an instructor in professional and academic settings.Litigation Support:

  • Forensic Analysis
  • Strategic Litigation Consulting
  • Trial Demonstratives
  • Expert Testimony

Forensic Analysis, litigation consulting and expert testimony. Represented both plaintiffs and defendants in a variety of jurisdictions throughout the US and Asia.

Bill’s ability to explain complex issues to non-technical audiences, including juries, mediators and judges, is a key to successfully solving your litigation challenges.

Acorn Consulting Services

Consulting Services: Services range from peer review to conceptual design to development of strategies and programs for expedited project delivery.

Bill frequently acts as an owner’s agent and mentor, functioning as an extension of the owner’s project team. On other projects, Bill serves as a subject matter expert assisting project delivery firms in their development of viable solutions and review of construction documents.

As a project consultant, Bill assures the project gets off to the right start and provides his expertise through completion and operation to maximize return on investment.

Consulting Expertise Includes:

  • Project Design and Management Consulting
  • Forensic Analysis and Litigation Consulting
  • Mentoring & Advanced Education

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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Tarek Omar, PhD
Owner / President
8360 Greensboro Dr., Suite 924
McLean VA 22102
USA
phone: 703-544-8948
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Dr. Tarek Omar, is a Mechanical and Structural Engineering expert with over 24 years of leading edge experience in the areas of accident investigation and reconstruction, highway safety, automotive / vehicular engineering, security barriers and structural analysis.

From 1994 to 2002, Dr. Omar worked as a Senior Research Scientist at the National Crash Analysis Center (NCAC), the renowned research center created in 1992 as a successful collaborative effort among the Federal Highway Administration (FHWA), the National Highway Traffic Safety Administration (NHTSA), and George Washington University (GWU). The NCAC supports the US-DOT strategic goal to reduce fatalities and injuries on the nation's roadways and has successfully served to enhance safety worldwide. Dr, Omar completed numerous research projects in vehicle crash analysis, vehicle crashworthiness, and highway safety.

In 2002, Dr. Omar founded his consulting firm, Advanced Research and Technology Corp (ART). In his role as President and Senior Consultant, he directs and conducts advanced Design and Nonlinear Finite Element Analysis (FEA) in the areas of Structural Impacts, Transportation Safety, and Physical Security Protection.

Litigation Support - Dr. Omar and his team at ART provide clients with the compelling scientific evidences necessary to pursue and win complex specialty lawsuits including but not limited to vehicle crash, airbag and seatbelt fatalities and injuries, slip, trip & falls, occupant biomechanics, crashworthiness, and failure analysis, fuel tank, pipelines, and pressure vessel analysis.

ART experts are widely recognized as a world leader in advanced computer simulations of complicated structural dynamics, crash, and impact-related problems. They use state-of-the-art technology including 3-D computer animation engineering and modeling and the latest engineering techniques for crash analysis (frontal, side-impact, vehicle, rollover, etc.), crash scene investigation, crash test data analysis (FMVSS, NCAP, IIHS, etc.), crash statistical data analysis (NASS, FARS, etc.), occupant kinematics, occupant protection, biomechanics, vehicle dynamics, and computerized crash simulations.

Areas of Expertise:
  • Accident Investigation
  • Accident Reconstruction
  • Transportation Safety
  • Mechanical Design
  • Structural Analysis
  • Accident Biomechanics
  • Failure Analysis
  • Vehicle Dynamics
  • Crashworthiness
  • Materials Testing and Evaluation
  • Vehicle Damage / Crush Analyses
  • Intellectual Property / Patent Infringement
  • View ART's Consulting Profile.
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    Jason Young, BESc., MASc, PEng
    2770 Dufferin Street, Suite 207
    Toronto ON M6B 3R7
    Canada
    phone: 416-630-0700
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    Jason Young, BESc., MASc, PEng, is the lead investigator and President of Advantage Forensics Inc., a multi-disciplinary forensic engineering firm based in Ontario with service across Canada and the U.S. Their team of renowned and well-respected experts at Advantage Forensics have conducted thousands of forensic investigations in the following areas of expertise, at fair rates, with tremendous success for insurance defense and plaintiff clients
    • Collision Reconstruction - pedestrian, nighttime visibility, motorcycle, bicycle, trucks, data recorder download & analysis, multi-vehicle freeway collisions, computer simulation, winter maintenance, snowmobile, Segways
    • Human Factors - reaction times, driver behavior, road design & signage, warnings & labels, product misuse
    • Slips, Trips & Falls - friction testing, staircase building code assessment, fall hazard assessment
    • Biomechanics - seatbelt use, injury thresholds, fraud investigations, fall dynamics
    • Product Failure - materials failure, design assessment, safety factor testing
    • Playground, Fitness Equipment & Sports Accidents
    • Waterpark, Pool, Zipline & Amusement Ride Accidents
    • Fire & Explosion Investigation
    Their team of over 25 experts and consultants is led by Jason Young, a licensed professional engineer and seasoned expert with over 20 qualifications at Superior Court level and Arbitrations as an expert in Collision Reconstruction, Human Factors, Mechanical Engineering, Road Design Assessment, Waterslide Design, and Biomechanics. Mr. Young has a Masters in Biomedical Engineering and is also a Certified Playground Inspector and Certified Level 2 Zipline & Challenge Course Inspector. Mr. Young has taught numerous courses on Collision Reconstruction, Human Factors and Biomechanics to academia and is a sought-out expert panelist at insurance and research conferences in those fields. Mr. Young is a long-time member of CATAIR, HFES, and ASTM, and has contributed to numerous research papers and standards in collision reconstruction, human factors, and product design.

    Visit their website at www.aforensics.ca/ for more information regarding their team of experts and services. They offer reasonable hourly rates or fixed quotes that are guaranteed within 10%.

    View Advantage Forensics' Consulting Profile.
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    Adam K. Aleksander
    Principal
    PO BOX 140558
    Boise ID 83714
    USA
    phone: 208-321-0200
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    Adam AleksanderDr. Adam K. Aleksander, PhD, PE, CSP, has over 40 years of experience in the areas of Mechanical Engineering, Human Factors, and Safety Engineering. He combines both academic credentials and active work in industry to provide a grounded perspective in Product Liability, Industrial Incidents, Warnings, and OSHA related issues. He is also a VP of an Energy Services firm, with over 35 overseas assignments related to forensic services, power utility issues, and equipment failures.

    Dr. Aleksander has been a practicing engineer since 1972, focusing his Manufacturing, Consulting and Forensic investigations on Problem Definition and Root Cause Analysis of complex problems in confidential issues. His firm has experience encompassing an enormous variety of claims, from large $45 million dollar dam claims, to environmental clean-up claims, to small road construction claims. His litigation services often involve reconstruction, perception reaction studies, warnings, equipment operation, mechanical failures, industrial accidents, skiing, and bicycling injuries.

    As an Expert Witness, Dr. Aleksander has worked with many clients, including plaintiff's and defendant's attorneys, both civil and criminal, attorneys representing corporations, corporations in the power utility area, and corporations that produce products. His services are also available to insurance executives with complex claims issues that involve industrial or utility related losses. Dr. Aleksander has been retained over 125 times in a wide range of technical investigations.

    Litigation Expertise:
    • Product Liability - Design, Manufacturing and Marketing Defects, Involving Damage, Injury or Fatality
    • Equipment Failures - Proximal Cause of Failure with Contributing Factors
    • Human Factors, Visibility, Ergonomics, and General Research Issues - Product Usability, Warnings, Instructions, Perception, Reaction Time, Visibility and Conspicuity Issues
    • Construction, OSHA, and Safety Engineering - Regulatory and Safety Issues
    • Industrial Projects
    • Power Utility - Service and Equipment Failures
    View Dr. Aleksander's Consulting Profile.
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    Steven R. Thomas, P.E.
    Multiple Addresses (See Below)
    NJ, NH, ME, MA, VT ,RI, CT, NY, PA ,DE, USA
    phone: 877-267-7855
    fax: 973-401-0056 or 603-293-4142
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    New Jersey Office:
    PMB 4066
    55 Madison Avenue - Ste 400
    Morristown, NJ 07960
    T: (973) 401-0010
    F: (973) 401-0056
    New Hampshire Office:
    Analytic Engineering
    105 Juniper Ridge Road
    Gilford, NH 03249
    T: (603) 293-4477
    F: (603) 293-4142


    Analytic Engineering combines Professional Engineering with Effective Communication. We offer Technical Analysis and Services in the Engineering field and provide experienced Expert Testimony to communicate the conclusions reached.

    Engineering Services:
  • Mechanical Engineering
  • Safety Engineering
  • Vehicular Accident Reconstruction
  • Failure Analysis
  • Computer Animation
  • Premises Liability
  • Patent Claim Analysis
  • Product Design & Liabilty
  • Product & Equipment
  • Design Engineering Services
  • Steven R. Thomas, PE, the Principal Engineer at Analytic Engineering, earned his Bachelor of Science - Engineering (Mechanical and Electrical) at Widener University, Chester, PA in 1979 and a Master of Science in Engineering Science (Safety Engineering and Human Factors) at The New Jersey Institute of Technology in 1997.

    Professional Experience: Steven R. Thomas, P.E. has worked for such organizations as General Motors, Thomas & Betts, General Cable and Breed Automotive Corporation. He has worked in the engineering fields of Research and Development, Product Design, Machine Design, Manufacturing, Industrial, Tooling, Safety, Facility Design, Failure Analysis and Accident Reconstruction. Since 1991 Mr. Thomas has worked as an Engineering Consultant in the Forensic field and has testified in numerous jurisdictions.
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    Ole Haaland, PE
    626 Admiral Drive
    C-537
    Annapolis MD 21401
    USA
    phone: 410-703-9002
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    Ole Haaland Power Plant Mechanical Expert PhotoOle E. Haaland, PE, has thirty four years experience in Power Production, Design, Construction, and Commissioning, with 30+ years managing people and projects. Mr. Haaland's experience is in conventional, nuclear, and alternate fuel power plant mechanical and electrical systems. He has performed as Project Manager, Construction Manager, and Commissioning Manager for several Greenfield power projects.

    Mr. Haaland held a senior reactor power operator's license and a number of senior engineering positions at the New York Power Authority prior to joining ANNA. Mr. Haaland received his BSME from the New York Institute of Technology and is a registered professional engineer in many states. He was recently elected to the EGSA Board of Directors for 2015-2017.

    Litigation Support - Ole Haaland conducts root cause analysis investigations for counsel representing Plaintiff and Defense. When needed, he provides expert witness testimony for power plant design, construction, and operational failure issues and for parties involved in contract disputes.

    Areas of Expertise:
    • Switchgear
    • Voltage Regulators
    • Turbine Generators
    • Control Systems
    • Hydro Generators
    • Diesel Generators
  • Condensate Polishers
  • Feed Water Heaters
  • Main Condensers
  • Moisture Separators
  • Electrical Breaker Failures
  • Operational Failures
  • View Ole Haaland's Consulting Profile.
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    Karl R. Leinsing, MSME, PE
    77 Spur Rd.
    Dover NH 03820
    USA
    phone: 603-203-0365
    fax: 603-749-0079
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    Karl R. Leinsing, MSME, PE, President of ATech Designs, Inc., is a Professional Mechanical Engineer who specializes in Medical Device Product Development from concept to production.

    Mr. Leinsing has been granted over 20 patents (needle free IV valves, laparoscopic devices, needlescopic devices, suture lockers, catheters, mitral valve repair devices, knitting machines) and excels in solving the most complicated problems and design challenges. His company has a fully equipped medical lab with calibrated measurement and test equipment and all is fully documented with high quality reports with pictures and video to provide credible results and easy to understand compelling data.

    The winner of five design awards, Mr. Leinsing is recognized as one of the top 100 medical device professionals in the nation by MD&DI. For dedication to his industry, he was made the 2014 Chairman of the Medical Device and Manufacturing Conference in Anaheim, CA. Mr. Leinsing has also been acknowledged for his work in a publication by Life Magazine.

    Mr. Leinsing offers litigation support services to the legal community. He has extensive experience with Patent and Product Liability cases including report writing, depositions, and testimony.

    Areas of Expertise:
    • Intravenous (IV) Systems & Disposables
    • Hernia Repair
    • Endometrial Ablation
    • Laparoscopic Instruments
    • Injection Ports
    • Catheters
    • Heart Valve Repair / Replacement
    • Subcutaneous Ports
  • Bed Rails
  • Cervical Screws
  • Syringes
  • IV / Insulin Pumps
  • Glucose Monitors
  • Peritoneal Dialysis Pumps
  • Abdominal Aortic Aneurysm (AAA) Repair
  • Sleep Apnea Devices (CPAP)
  • View Karl Leinsing's Consulting Profile.
    6/24/2014 · Expert Witnessing
    Experienced Medical Device Experts can assist with a case in many different ways. First, they have industry knowledge of the medical device industry and can assist with prior art in patent litigation cases for example. They understand the technology and how claim terms are understood for one skilled in the art of medical device design, testing, and manufacturing. This firsthand information can then assist with proper claim construction and infringement analysis. Experience with medical devices product development can also assist in determining what is obvious in the field and what is not as it pertains to patent validation.

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    L. Peter Petrovsky, PE, CE, ME
    31157 Lobo Vista Road
    Agoura CA 91301
    USA
    phone: (818) 489-4400
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    Peter Petrovsky, PE, CE, ME , has provided services as a consultant and an expert witness in applied Civil and Mechanical Engineering Science, Building, Infrastructure, and Earthwork Contracting. His strength and experience is to successfully combine engineering and applied mechanics with the field experience and contracting skills. He packages civil, mechanical engineering, as well as, general, engineering, earthwork and paving and hazardous waste contracting into one package for the use of his clients. His services also include construction job site safety in fire prevention and personnel protection. 

    Litigation Support - Mr. Petrovsky's shirtsleeve approach to problem solving gives him the ability to distill complex technical issues to a palatable presentation in the appropriate forum. Serving the legal industry for 25 years, he has been retained in over 600 plaintiff and defense cases, been deposed over 200 times, and given testimony approximately 100 times. Mr. Petrovsky's services include testing and analysis, trial preparation case analysis, deposition review and expert summary, evidence presentation, consulting, report writing, court exhibits, static and computer depictions, construction and engineering contract analysis, accident reconstruction, and interpretation of administrative regulations. He has assisted counsel on cases in California, New York, Indiana, Pennsylvania, Hawaii, Kentucky, and Nevada. 

    Areas of Expertise:

    • Mechanical Engineering and Mechanical Design: Machine safety and guarding, Strength of materials, wood, metals, plastics
    • Materials Issues and Failure Analysis: Mechanisms, components and machinery; Pressure testing, fatigue analysis
    • Accident Investigations: Heavy equipment accidents, bulldozers, backhoes, excavators; Cranes, lifts, manipulators
    • Air conditioning and Refrigeration: Thermography services and analysis
    • Civil Engineering: Design of Buildings; Residential, industrial, commercial site plans; Land development, site preparation and paving, drilling and boring; Public and private roadways, sidewalks, ramps, parking lots, lighting; Septic systems, sewers, public sewer blockage and stoppage; Scaffolds & scaffolding erection and accidents; Retaining walls and retaining wall failure; Foundation failure / structural damage; Plumbing leaks, water intrusion, explosions; Earthquake Damage Assessment and Remediation; Construction Disputes / Insurance claims; Stucco defects and failures; Job site fire prevention industry standards
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    Keith M. Cianfrani, MAS, CRSP
    Aviation Safety Consultant

    Pennsylvania Office:
    350 New Britain Road
    Doylestown, PA 18901
    USA

    Florida Office:
    3389 Conservation Trail
    The Villages, FL 32163
    USA
    phone: 267-377-5364 (Cell)
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    Keith M. Cianfrani, MAS, CRSP, a retired U.S. Army Lieutenant Colonel, the founder and owner, has over 30 years of aviation experience. He is a master army aviator, aviation safety officer, commercial pilot, instructor pilot, and was an accident investigator for the U.S. Army Safety Center.

    Background - Mr. Cianfrani is rated in both rotary wing and fixed wing aircraft. As a safety officer, he has managed safety programs in organizations with over 100 aircraft stationed throughout 5 states. Mr. Cianfrani is currently an instructor for Embry Riddle Aeronautical University and Kansas State University. He is also presently attending Florida Institute of Technology (FIT) as a PhD Student in Aviation Science.

    Mr. Cianfrani is a certified Flight Instructor (CFI) and has also worked in the civilian, commercial aviation industry. He has been flying for companies such as Petroleum Helicopters, Damin Aviation, Keystone Helicopters, Island Helicopters, and Chopper 6 and Chopper 3 in Philadelphia. He also has experience in the flight for life, aero medical evacuation industry.

    Litigation Support - Keith Cianfrani specializes in Human Factors and Material Failure in Aviation Accident Investigations. He serves as an aviation safety consultant for the Federal Aviation Administration and FIT. An IS-BAO Certified Safety Auditor, he provides safety evaluations in accordance with Federal Aviation Regulations. His services are available nationally and internationally and include written reports, depositions, and trial testimony as needed.

    Areas of Expertise:
    • Pilot / Crew Performance
    • Human Factors
    • Maintenance
    • Environmental Factors
    • Meteorological Factors
  • Safety Training
  • Material Factors
  • Aviation Accident Reconstruction
  • FAA Regulatory Compliance
  • Safety Audits
  • View Keith Cianfrani's Consulting Profile.
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    Iola Goeke
    3660 Hartsfield Road
    Tallahassee, FL 32303

    USA
    phone: 850-558-3100
    fax: 850-575-8454
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    BEC Consulting, LLC was established in 1982. Since that time, we have provided top-level consulting engineering services and accident reconstruction to our clients; law firms, insurance companies, state and local agencies, manufacturing companies, and clients who are seeking product design analysis and other engineering related services.

    Our engineers represent a broad range of engineering disciplines which enables us to work on a variety of cases using the team approach. The teams at BEC are comprised of Engineers, Technical Specialists, Graphics Specialists, as well as Research and Administrative Personnel, so that each case is given personal attention and is handled efficiently and effectively. Our offices are located in Tallahassee and Jacksonville working in almost every state in the United States and occasionally internationally.

    Areas of Expertise:
    • All Areas of Accident Reconstruction - Including Automobile, Tractor-Trailer, Motorcycle/Bicycle & Pedestrian
    • Engineering Consulting
    • FARO 3-D Scanning
    • Aerial Drone Imaging
    • Black Box Downloads
    • Construction Zone / Roadside Safety
    • Industrial Equipment
    • Failure Analysis
    • Product Design
    • Product Development
    • Material Handling System
    • Biomechanical Analysis
    • Slip / Trip / Fall
    • Computer Animation, Electronic Graphics
    Every aspect of our firm is designed to serve our clients needs; conference rooms for mediations and depositions, a research and testing lab, secured evidence storage, facilities for expert inspections, and easy access to airport and hotel facilities for our out-of-town clients. We are truly a full service engineering firm.

    Because of this team approach and a commitment to customer service, BEC has attained regional and national recognition as a leader in forensic engineering services and new product development. This excellent example and tireless dedication to serving our client’s needs has resulted in a devoted client base and reputation second to none.

    Dr. Charles Benedict, P.E., founded Benedict Engineering Company in 1982 and our name has since changed to BEC Consulting, LLC. He has over 36 years experience in the fields of product and machine design and analysis, vehicular accident reconstruction of all types, and product and system failure analysis. He has designed, developed, manufactured, and tested more than sixty different products and machine systems. Dr. Benedict is well respected in the fields of forensic engineering, product and machine system design and analysis and patenting.

    Expertise:
    • Biomechanics
    • Occupant Kinematics
    • Vehicle Restraint Systems
    • Vehicle Controllability
    • Material Handling
    • Patent Infringement
  • Automobile Accidents
  • Pedestrian Accidents
  • General Engineering
  • Product Design
  • Fire and Explosion Analysis
  • Tractor / Trailer Accidents
  • Electrical Issues
  • Dr. Brian Pfeifer, P.E., is also a principal with BEC Consulting LLC, and has been practicing forensic engineering for over 21 years. He holds several patents on roadside safety devices and studied roadside safety at the University of Nebraska. He is a consulting engineer with a strong background in the design, development, and implementation of roadside safety hardware. His current work consists of vehicular accident reconstruction, analysis of maintenance of traffic issues, premises liability, investigation and analysis of mechanical systems and product failures, and development of automated material-handling systems.

    Expertise:
    • Roadside Hazards
    • Vehicle Controllability
    • Occupant Kinematics
    • Roadway Design
    • Guardrails and Bridges
    • Maintenance of Traffic
    • Roadway Design
  • Automobile Accidents
  • Pedestrian Accidents
  • Tractor / Trailer Accidents
  • Slip / Trip / Fall
  • Product Design
  • General Engineering
  • Mrs. Traci Campbell, P.E., CXLT, is an Industrial engineer with specialties in industrial accident reconstruction, including forklifts, construction machinery, appliances, and manufacturing equipment. Her experience includes vehicular accident reconstruction involving automobiles, trucks, tractor-trailers, and recreational vehicles, as well as slip, trip, and fall analysis, product failure analysis, and workplace-safety related issues.

    Expertise:
    • Industrial Accidents
    • Safety Analysis
    • Product Design / Failure Analysis
    • Slip / Trip / Fall
    • Guarding / Warnings
    • Workplace Safety
    • Bicycle Accidents
    • Confined Spaces
  • OSHA Regulations
  • Pedestrian Accidents
  • Automobile Accidents
  • Tractor / Trailer Accidents
  • Human and Environment Interaction
  • Theme Parks / Recreation Facilities
  • Airbag and Black Box
  • General Engineering
  • Mr. Chris Yates, P.E., is a Mechanical engineer and Principal with our firm, specializing in accident reconstruction. His current work involves the analysis and reconstruction of vehicular accidents, including vehicular dynamics and occupant restraint as well as the investigation of industrial accidents and product analysis.

    Expertise:
    • Black Box Analysis
    • Motorcycle / Bicycle Accidents
    • Mechanical Design
    • Product Guarding Design
    • Fire and Explosion
    • Seat Belt Analysis
  • Automobile Accidents
  • Pedestrian Accidents
  • General Engineering
  • Product Design
  • Tractor / Trailer Accidents
  • Slip / Trip / Fall
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    40 Brambledown Road
    Wallington SM6 0TF
    GBR
    phone: +442084012873
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    Geoffrey Beresford Hartwell is a Chartered Engineer who practices as an Arbitrator, Adjudicator and Expert for Determination. Geoffrey is the former Senior Partner of Consulting Mechanical and Electrical Engineers BHA Cromwell House.

    A one time Chairman of the Expert Witness Society, Geoffrey Hartwell has experience giving evidence in court (in both civil and criminal matters) and in International Arbitration. He sometimes is retained as a Single Joint Expert or as a Tribunal Expert. His services are offered to both Plaintiff and Defense. Even when retained on behalf of a Client he, like all Experts, has an overriding responsibility to the Court or Tribunal.

    After his early career in aerospace and nuclear energy, Geoffrey entered private practice in association with the late Leslie Heap and Gerald Lewis of Heap and Digby, Consulting Engineers, in 1969. While with them he designed water and sewage equipment and also the bascule moving machinery for the Lowestoft Bridge, in Suffolk. He practiced also as Beresford Hartwell and Associates and, in 1971 established a separate office in Wallington, South London.

    In parallel with his design career, Geoffrey was first appointed as arbitrator in 1972 and his first foreign arbitration, an ICC appointment in Switzerland, took place later that year. He studied Law to Intermediate level and then transferred to the examinations of the Institute of Arbitrators (now Chartered) of which he became Chairman in 1996-1997 and for whom he taught in various countries on several courses, including the prestigious Diploma in International Commercial Arbitration.

    Technical Expertise:
    • Electrical Engineering and Design
    • Mechanical Engineering and Design
    • Instrumentation
    • Automation and Computer Control Systems
    • Maritime and Infrastructure Engineering
    • Process Engineering
    • Solid Waste Handling
  • Communications
  • Manufacturing
  • Computer Cartography
  • Moving Bridges and Lock Gates
  • Construction Project Management
  • Nuclear Energy
  • Water and Waste Water Treatment
  • Arbitration: Geoffrey Hartwell also acts as an arbitrator and adjudicator, as an expert mediator and conciliator, as an expert investigator and assessor for arbitral tribunals, and also as a Special Referee in the High Court of Justice of the Isle of Man. His services have been required in the UK and internationally.

    Dispute Boards: Geoffrey Hartwell has experience both as Member and as Chairman of Dispute Boards?. He has been a member of Dispute Boards, retained from the beginning of a project or, alternatively, appointed on an ad hoc basis when a problem arises, Dispute Adjudication Boards to determine a binding decision, and on Dispute Review Boards to make decisions that are advisory but not binding.

    Adjudication: Similar to arbitration, Mr. Hartwell adjudicates domestic and international disputes which are only temporarily binding unless otherwise agreed upon by the parties.

    View Geoffrey Beresford Hartwell's Consulting Profile.
    12/4/2013 · Mediation
    International Commercial Arbitration, the chosen basis of the annual Willem Vis Moot, is arguably not au fond a process at law. It is quite simply the performance of an agreement between two parties to have a chosen third party hear and determine some difference between them.

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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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    Gerald O. Davis, PE
    4723 Squaw Valley Court
    Glen Allen, VA
    23060
    VA, DC, MD, WV, NC USA
    phone: 804-967-9129
    fax: 804-967-9130
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    Gerald O. Davis, PE, President and co-owner of DM&ME, has over 40 years experience in Metallurgy and Mechanical Engineering. Mr. Davis is a Forensic Expert in Metallurgy, Corrosion, Mechanical Failures, & Root-Cause Failure Analysis. His recent background includes work as a corrosion researcher, senior engineer, and program manager for Battelle Memorial Institute, DNV, Inc., Henkels & McCoy, Inc., respectively and, since 2004, as president of DM&ME.

    Mr. Davis has been offering Expert Witness Services for the past 14 years for product liability and personal injury evaluations. He is retained for his knowledge of Forensic Engineering and Root-Cause Failure Analysis. Mr. Davis is experienced with depositions and trial testimony. His services include specification and interpretation of metallurgical lab tests, review of mechanical failures and review of physical evidence and its meaning. His findings are presented in clear oral and written reports which he provides to judges and juries in non-technical language.

    Areas of Expertise:
    • Metallurgy
    • Laboratory Testing and Interpretation
    • Corrosion Analysis & Control Methods
    • Mechanical Design Analysis
    View Consulting Profile.
    5/30/2018 · Metallurgy
    Sometimes the physical properties of hardness and hardenability are confused. Hardness represents an existing condition after processing by heat treatment. It is a direct indicator of the mechanical strength of the steel. Hardenability denotes the potential of a steel to develop a particular value of hardness after a particular heat treatment. Hardenability is primarily dependent on the chemical composition of the steel. Hardenability is associated with a steel's ability to develop hardness to a given desired depth in thickness of the finished product. Developing high hardness throughout thick cross sections is usually more difficult to attain without adding expensive elements (compared to carbon) to the composition.

    Many considerations are included in a valid engineering design process. Typically decisions that provide for safe service and expected reliability in the given component or structure are the most critical. Determining the numerical value of an appropriate safety factor (or factor of safety) during design is vital to achieving mechanical or structural integrity.

    11/16/2015 · Corrosion
    A common cause of failures in various types of equipment is fatigue failure of bolts that secure parts together. Fatigue in any type of dynamically loaded mechanical component accounts for more than 80% of all failures. This post reviews some important factors in fatigue failure of metallic bolts.

    The working relationship between the attorney and their expert witness in a case can be more effective if a few simple guidelines are followed. These are common sense things but one or more can be overlooked in the frequent day-to-day rush that busy attorneys face. When that happens some of the potential contributions from the expert may be compromised or lost to the detriment of the attorney's client.

    6/30/2015 · Engineering
    Too frequently an attorney will begin to seek a potential expert witness only after having done considerable initial work. Often there is a last minute rush to locate and select specialized technical assistance. These approaches can have expensive consequences. Alternatively, securing a suitable expert early in the litigation process offers the following advantages for the retaining attorney:

    6/2/2015 · Engineering
    Many negative consequences can result from failures of a range of different products that often lead to property & casualty insurance disputes or product liability legal actions. The products may include consumer or industrial goods. Typically the private user or worker is injured or a business incurs significant financial loss. The injured individual, insurance carrier, attorney(s) or industrial manufacturer and user are all interested to confirm what went wrong – and who is liable. Resolution often depends on engineering analysis.

    5/7/2015 · Corrosion
    Clearly it is advantageous to know when corrosion is occurring in operating equipment to avoid future failure. There is extensive literature on this topic. This post is a brief summary of information selected from the four references cited below. Each source includes several other references.

    4/7/2015 · Manufacturing
    "3D printing" or the more descriptive term - additive manufacturing (AM) - has received much publicity in recent years. What is this technology and what are some of its practical features? This blog is a summary of AM and its on-going development to make actual service components using metal alloys. Presented are selected portions of information provided in the two references cited.

    3/3/2015 · Corrosion
    Most engineers know about the danger of galvanic corrosion caused by physical contact between dissimilar metals exposed to a corrosive liquid. However, this possibility is often overlooked and other features of this type of corrosion may not be widely known.

    1/21/2015 · Failure Analysis
    It is essential when beginning a root-cause failure analysis involving metallic materials to collect and maintain the as-found physical evidence properly prior to detailed examinations. This has two objectives. In all cases collecting and protecting the evidence in its undisturbed condition provides the best opportunity to derive meaningful good results from the subsequent analyses. Secondly, in a legal proceeding lack of attention to these matters can produce the accusation of spoilation of evidence. As a minimum this will cause presentation problems for the offending party in the suit. At worst such deficiencies by that party may cause the case to be thrown out.

    12/12/2014 · Corrosion
    Aluminum alloy materials are well known for their light weight and strength-to-weight ratios. They are also susceptible to several forms of corrosion. Relative to other metals, their natural electrochemical potential places them adjacent to other very susceptible (active) metals such as magnesium (Mg) and zinc (Zn) in a traditional galvanic series in seawater. However, Al alloys naturally form a very thin, protective (passive) oxide film on their surface when exposed to oxygen. This film prevents corrosion as long as it is maintained over the surface. Pitting corrosion is a common form of attack on aluminum. This is typically caused by exposure to halide ions, chloride ions being the most common type found in corrosive media, that breakdown the passive film at discreet spots. This permits pits to initiate and grow.

    11/7/2014 · Metallurgy
    Often when engineers consider mechanical fatigue they envision cyclic, reversing stresses in a spinning shaft or possibly the up and down flex of aircraft wings. Rolling contact fatigue (RCF) or the associated mechanical wear is an important, closely related process to the traditional mechanism of fatigue but with distinct differences. RCF is also often known as spalling.

    9/25/2014 · Product Liability
    This term raises some vital issues that the engineer should be aware of when using it. First several definitions are available and thus it is perceived differently by different groups and individuals. From a legal standpoint, in many states, using the term to describe a product that was involved in an incident involving an injury means that the designer or manufacturer of that product may be financially liable for the injury. Engineers sometimes use the term simply to indicate an imperfection in a product without intending its frequent legal use. Further the engineer realizes that no material and no finished product is perfect. However, these variations from perfection do not necessarily mean they were cause for failure and thus the injury that may occur in a given incident. Some product liability attorneys may not readily acknowledge or understand this distinction.

    8/21/2014 · Corrosion
    The optimal time to make decisions and take actions to minimize potential failures of equipment, facilities and components is during their design. This two-part blog post provides an overview of the types of issues involved and specific actions that can be useful to the design engineer. Archived blog posts (at www.dmme-engineering.com) that discuss specifics are provided parenthetically.

    7/15/2014 · Metallurgy
    Four, tri-lobe pumps were damaged and required extensive repair during the latter stages of construction for a modification in a pharmaceutical manufacturing plant. The economic loss was significant and the general contractor for the work paid the plant's owner for the loss. The renovated units were installed and are in use. However, the general contractor then sued one of its subcontractors - a welding contractor that fabricated and completed weld joints between piping sections on the inlet side of the pumps. The general contractor claimed poor quality welds in the piping permitted loosened weld fragments to enter the pumps during the required water flow verification of the system and this caused the damage.

    6/9/2014 · Corrosion
    Most realize that damage due to corrosion of metals is costly - but what specifically is that cost and what is included in the total? A study completed in 2002 sponsored by the Federal Highway Administration (FHWA), the National Association of Corrosion Engineers (NACE International) and implemented by CC Technologies Laboratories (now part of DVN) addressed those questions.

    5/2/2014 · Corrosion
    Material selection entails picking an engineering material - either metal alloy or non-metal - that is inherently resistant to the particular corrosive environment and also meets other criteria. Variables that will affect corrosion are established along with materials that may provide suitable resistance for those conditions. Obviously other requirements such as cost and mechanical properties of the potential materials must be considered.

    3/28/2014 · Corrosion
    Pin-hole leaks from a fire-control sprinkler piping system just above the false ceiling of multiple rooms in an office building resulted in a suit against three parties involved with supplying the system. The plaintiff - a financial service organization that owned the building - had much computerized transaction data stored on magnetic tapes in several rooms damaged or destroyed by the incident. The monetary loss was major. The leaks occurred within two years after the system was installed. This period is clearly far short of the expected life of the system. Defendants in the case included the supplier of the piping used in the system, the engineering firm that designed it and the installation contractor.

    2/26/2014 · Corrosion
    A variety of low-voltage electronic devices may fail to operate properly because of exposure to certain corrosive, gaseous environments. Susceptible items include consumer products such as microwave ovens, audio equipment, TV's and personal computers as well as many types of industrial sensors and automatic control devices. Failure generally occurs because of specific application factors. These include the severity of the environment, the presence or absence of atmospheric sealing of components within the device and the metals used at critical internal locations. Frequently complete failure doesn't occur but normal operation is erratic.

    A full size, cylindrical tank trailer pulled by a truck tractor/ cab split open on its lower section at mid-span and released hundreds of gallons of hydrochloric acid (HCl) onto a secondary highway in a northeastern state. When this occurred the truck driver jumped out of the truck's cab and sustained acid burns to his ankles because he was wearing low-quarter shoes.

    12/20/2013 · Failure Analysis
    A severe personal injury incident occurred as a recreational fishing boat was approaching a dock at approximately 20 mph after a day on the water. The large outboard engine (75 HP) on the stern of the boat struck a fixed underwater obstruction, flipped into the boat while still running and amputated the hand of a passenger seated near the engine.

    11/26/2013 · Engineering
    A licensed professional engineer (P.E.) is required to adhere to a Code of Ethics for Engineers in all work he undertakes. However, there are some special criteria when employed as an expert witness.

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    Worldwide Availability. Offices in North America, Mexico, Europe, Asia and Australia
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    Deerfield IL 60015
    USA
    phone: 888 782-3473 and Local 847-559-3000
    fax: 847-559-3010
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    Envista Forensics is a global leader in Forensic Engineering & Recovery Solutions. They provide Cause & Origin, Failure Analysis, Fire and Explosion Investigations, Accident Reconstruction, Damage Evaluations and Equipment Restoration Services following disasters of all kinds. Envista has offered Consulting Services to the insurance, legal and risk management industries, as well as businesses, public entities, and universities for over 25 years. Their Experts travel globally from 30 offices located across the U.S., Canada, Mexico, the U.K., Australia and Singapore.

    Envista's experience counts when equipment, systems, structures, or data have been threatened by catastrophe or litigation. Their experts and advisors determine cause and responsibility, and identify the nature and extent of damage or loss and provide a full range of solutions to protect their assets. Envista's technical professionals are trusted advisors and industry leaders. Their expertise is broad and deep, capable of withstanding all forms of scrutiny. Envista's services are available globally so that certainty is assured no matter where in the world it is needed. As the recovery from disasters has grown more complex, Envista has developed a comprehensive array of services to help their clients and has associates located around the globe to provide assurance no matter the type of loss or location of the disaster.

    Envista helps attorneys quickly get to meaningful answers on the many technical issues at the center of a dispute. Their engineers have decades of experience working with both defendants and plaintiffs. They offer effective Expert Witness Testimony, with the ability to communicate effectively, build rapport with juries and judges, and maintain adherence to structured, methodical approaches in drawing conclusions are all extremely critical. Envista Forensics understands how critical the selection of an expert can be, and we understand what makes experts effective. Their court qualified experts have extensive experience providing expert testimony on a wide variety of engineering and technical matters.

    Areas of Expertise:
    • Aviation & Aerospace
    • Biomechanics
    • Construction Defects
    • Digital Forensics
    • Electrical Injury & Electrocutions
    • Causation
    • Chemical
    • Computer / Network Equipment Failure
    • Construction Defect
    • Disputes over Reparability of Damage
    • Electrical Failure
    • Equipment Restoration
    • Fire & Explosion Analysis
    • Equipment Restoration
  • Industrial / Manufacturing Equipment
  • Materials Failure
  • Mechanical Accidents
  • Mechanical Failure
  • Medical / Laboratory Equipment
  • Product Failure / Liability
  • Project Management
  • Structural Failure
  • Subrogation
  • Utility & Energy
  • Valuation of Structures or Equipment
  • Vehicle Accident Investigation
  • Workplace / Premises Accidents
  • View Envista's Consulting Profile.
    2/18/2014 · Medical
    All is quiet at 10:30 pm until a nurse notices water on the 2nd floor hallway. Building maintenance is called and discovers a ruptured pipe fitting in a bathroom on the 2nd floor. The water is shut off at 10:45 pm but unfortunately the damage has been done. It is later discovered that water penetrated through perforations in the ceiling in the CT suite on the 1st floor exposing the 16-slice CT gantry and patient table to water.

    1/14/2014 · Machinery
    The role that water plays in our existence is well understood. Without it, most living things will rapidly wither and die. Equally catastrophic of course, are the consequences of too much water. Not only to living things, in terms of widespread flooding, but also in terms of damage to machinery and equipment from exposure to water.

    Is it possible to differentiate between lightning related surges and artificially generated electrical surges?

    E-Discovery is the process of collecting and exchanging electronically stored information (ESI) that is requested during the discovery phase in civil litigation.

    3/14/2013 · Corrosion
    An ominous cloud of smoke continues to billow as the sprinklers rain water throughout the facility. The production manager's mechanical and electrical equipment is rapidly deteriorating, and within hours, the previously pristine equipment normally used to manufacture precision circuit boards will have a thin coating of flash rust with further damage forthcoming.

    1/25/2013 · Damages
    Doctors and nurses need to make quick, educated decisions to minimize the impact of difficult situations. These decisions are based on the practitioner's years of experience, their education, the science and technology available, and with the assistance of critical analytical and diagnostic equipment.

    11/19/2012 · Damages
    A water pipe breaks in a healthcare provider's facility, saturating an MRI control cabinet. The manufacturer is called in and spends $200,000 on attempted repairs. The unit still doesn't work. The manufacturer says the entire unit needs to be replaced, at a cost of $240,000.

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    Dr. A.B. Thakker
    Ph.D., PE, FASM, CMFGE
    2839 Paces Ferry Road
    Overlook II, Suite 1160
    Atlanta GA 30339
    USA
    phone: 800-215-4468 or 404-771-2600
    fax: 770-234-4148
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    Firm Profile: Established in 1996, Global Technology Experts, Inc. (GTE) specializes in providing multi-disciplinary engineering and scientific consulting, product testing, safety and forensic engineering services to manufacturers, defense and plaintiff attorneys, and to the insurance claims industry. Our professional staff includes engineers, scientists, and technical specialists who have years of experience and excel as experts in wide range of disciplines. GTE has investigated more then 350+ failure cases that include: Machinery/Equipment, Slip and Fall, Accident Reconstruction, Vehicle Rollover, Lift trucks, Bicycle, Generator/Battery, Tree stand, Construction Defects, Pump/Boiler/Chiller, Engine/Transmission, Weld joints, Corrosion, Fatigue, Polymers, Ceramics and Composite materials. GTE also specializes in Life assessment and durability analysis of prototype components etc.

    Areas of Expertise:
  • Electrical Failures
  • Motor/Generator Failures
  • Battery Failures
  • Accident Reconstruction
  • Tire Defects
  • Machinery & Equipment Failures
  • Construction Equipment Failure
  • Aircraft Engine/Structural Failure
  • Structural Engineering
  • Mechanical Metallurgy/Materials Failure
  • Fatigue & Corrosion
  • Product Failure Analysis
  • Bicycle, Ladder, Slip/trip & fall
  • Building Construction & Defect Analysis

  • Education: We have highly experienced and qualified staff:
  • PhD, Engineering Science & Materials, Virginia Tech
  • PhD, Electrical Engineering, Georgia Tech
  • PhD, Mechanical Engineering, Auburn University
  • BS, Civil and Construction Engineering, Kansas State University
  • BS, Mechanical Engineering, S.U.N.Y., Buffalo, NY
  • MBA, Technology Management, Florida Institute of Technology

    Certifications:
  • PE – Registered Professional Engineers
  • CMfgE – Certified Manufacture Engineer

    Professional Affiliations:
  • Southern Law Association
  • Atlanta Claims Association
  • American Society of Mechanical Engineers
  • Institute of Electrical and Electronics Engineer
  • American Society of Civil Engineers
  • American Society of Materials
  • American Society of Nondestructive testing
  • American Welding Society
  • American Society of Testing Materials
  • Society of Aerospace, Materials and Process Engineers

    Principals:
  • Dr. Ash Thakker, PhD, PE, FASM,FSME, CMfgE (Structures, Materials, Fatigue, Fracture, Composites, Damage Tolerance)
  • Mr. George Kremer, BSME, AAS (Metallurgy, Corrosion, Coatings and Mechanical Failures)
  • Dr. Nicholas Propes, PhD (Electrical Machinery Failures, Maintenance Systems, Testing and Analysis)
  • Dr. Freeman Rufus, PhD (Battery/Motor/Generator Failure)
  • Dr. Jyoti Ajitsaria, PhD (Mechanical Failures)
  • Mr. Mike Healy, BS (Civil, Construction Engineering, Buildings)
  • Mr. Ralph Cunningham, BS (Physical Testing, Accident Reconstruction)
  • 11/20/2010 · Slip, Trip & Fall
    A "slip and fall" or "trip and fall" is the generic term for an injury which occurs when someone slips, trips or falls as a result of a dangerous or hazardous condition on someone else's property. It includes falls as a result of water, ice or snow, as well as abrupt changes in flooring, poor lighting, or a hidden hazard, such as a gap or hard to see hole in the ground

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