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Surface - Roadway - Walkway Accidents Expert Witnesses

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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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Ralph Aronberg
P.E., President
13762 W. State Road 84, Suite 424
Ft. Lauderdale FL 33325
USA
phone: 954-236-6605
fax: 954-236-3327
Ralph Aronberg, P.E., has reconstructed over 1,500 accidents and has testified in over 150 jury trials, since founding the firm in 1983. He provides Expert Witness services in the areas of:
  • Traffic accident reconstruction (cars, trucks, motorcycles and pedestrians).
  • Vehicle occupant kinematics (seatbelts)
  • Biomechanics
  • Traffic engineering design (geometrics, signing, markings, signals and lighting)
  • Sight distance analysis
  • Hazardous roadway conditions
  • Work Zone Traffic Control evaluation
  • Evaluation of roadway curvature
  • Traffic signal operations
  • Pedestrian safety
  • Computerized accident reconstruction and simulation
  • Vehicle "black box" data retrieval (certified>
  • Mr. Aronberg is published in the fields of pedestrian / bicycle / motorcycle accident reconstructions, and 3 Dimensional Animations and Scientific Visualizations through the Society of Automotive Engineers. Mr. Aronberg is a Fellow member of the National Academy of Forensic Engineers, and certified as a Diplomat in forensic Engineering.
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    Richard F. Beaubien, PE, PTOE
    1685 Ross Drive
    Troy MI 48084
    USA
    phone: 248-515-3628
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    Richard F. Beaubien, PE, PTOE is a Professional Traffic Operations Engineer and Managing Director at Beaubien Engineering. He was previously Transportation Department Head at Hubbell, Roth & Clark, Consulting Engineers for more than 23 years. Mr. Beaubien's employment experience includes 5 years as a highway engineer with the Federal Highway Administration and 14 years as the traffic engineer for the City of Troy, Michigan.

    Mr. Beaubien is a past International President of the Institute of Transportation Engineers and the past President of the Intelligent Transportation Society of Michigan. He currently chairs the Metro Detroit Traffic Incident Management Coordinating Committee.

    Richard Beaubien is a registered professional engineer in several jurisdictions. His litigation support services are available to attorneys for both Plaintiff and Defense. He has testified in court several times.

    Specialty Areas:
    • Municipal Traffic Engineering
    • Transportation Planning
    • Traffic Engineering
    • Highway Design
    • Road Traffic
  • Traffic System Operations
  • Road Safety
  • Right-of-way Acquisition
  • Intelligent Transportation Systems
  • Traffic Incident Management
  • View Richard Beaubien's Consulting Profile.
    A motorist exiting a rural freeway was struck by a motorist on the intersecting State Route at the top of the exit ramp. At the westbound exit ramp from the Interstate freeway the State Route a stop sign is posted at the end of the ramp requiring exiting traffic to stop before entering the State Route. However, the eastbound off ramp traffic is not required to stop before entering the State Route. A stop sign is posted on southbound State Route at the ramp terminal. This is an unusual traffic signing pattern for interstate off ramps. Expert observations of the operation of this intersection showed that a large proportion of the eastbound off ramp traffic slowed down at the end of the ramp, expecting to stop at the State Route.

    11/9/2016 · Transportation
    As traffic engineers we take care to plan, design, and operate our roads for all users. When we are working in a complex urban environment, we must consider pedestrians, wheelchairs, vision impaired, bicycles, buses, and trucks. When we add automated, connected, and self-driving vehicles to the mix the complexity becomes more complex. That is why the profession is challenging and interesting.

    3/14/2016 · Engineering
    When I was a boy, playing in the sandbox or building with blocks, I dreamed of building cities. I feel fortunate to be in a profession which allows me to fulfill that dream. To enjoy your job is a more important measure of success than the amount of money in your bank account. My favorite definition of success is borrowed from Ann Landers:

    3/12/2014 · Transportation
    At the 1981 ITE Annual Meeting in Boston a seminar was convened on the role of the urban traffic engineer. It featured some of outstanding veterans of the profession, and each offered their insights on the role of the urban traffic engineer. Speakers included Bill VanGelder from Seattle, Harold Michael from Purdue, and Bill Mc Grath who was once the Traffic Commissioner for the City of Boston.

    The topic of Connected Vehicles and Autonomous Vehicles is not new, yet advances in computing power, wireless capabilities, and soft ware development are taking implementation predictions from the not-too-distance future and placing them in the here and now. Emerging vehicle technologies foreshadow a world in which sensors and soft ware will replace humans in the driver's seat.

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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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    Dr. J. Nigel Ellis
    Ph.D., Principal, CSP, P.E., CPE
    306 Country Club Drive
    Wilmington DE 19803
    USA
    phone: 800-372-7775
    fax: 302-571-0756
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    Ellis Litigation Support (ELS) is headed by Dr. J. Nigel Ellis a leading authority on fall protection. Dr. Ellis has more than 40 years of safety engineering experience. Based upon his unsurpassed experience and knowledge, Dr. Ellis has performed fall hazard assessments in hundreds of facilities and construction sites and has been retained as an expert witness in approximately 1000 fall-related cases nationwide. Dr. Ellis’ participation has led to multi-million dollar settlements/awards in a number of cases and exoneration of defendants in others.

    Through his work with OSHA and as an ANSI and ASTM committee member, including providing comments and testimony before OSHA hearings, Dr. Ellis has been instrumental in the development of various OSHA regulations and ANSI standards. Dr. Ellis has written the seminal textbook, Introduction to Fall Protection currently in its fourth edition and published by the American Society of Safety Engineers and available for purchase on the ELS web site www.FallSafety.com.

    Dr. Ellis is a founder and board member of the International Society for Fall Protection and is a frequent speaker at the national conventions of the American Society of Safety Engineers and the National Safety Council. Dr. Ellis also is a published member of the National Academy of Forensic Engineers and is a regular contributor to Compliance Magazine the Greyhouse Safet Directory.

    ELS also draws upon its sister company, Ellis Fall Safety Solutions (EFSS), to offer expertise in a wide range of engineering related matters.

    ELS Areas of Expertise:
  • Fall Protection – all areas where fall hazards exist
  • OSHA, ANSI and related building codes, standards and regulations
  • Ergonomics/Human Factors
  • Structural Engineering
  • Slips, trips, friction co-efficients
  • Hunter’s Tree Stand Cases
  • Confined Space Rescue
  • View Consulting Profile.
    The general industry, construction and maritime standards each have their own requirement for fall protection. A written fall protection plan, a method for updating the written plan and a property means of assessment should all be included in your company's fall protection plan. The following checklist provides guidelines for proper assessment of your fall protection plan.

    J. Nigel Ellis, PhD
    This best selling books on fall protection takes a systems approach to identifying slip, trip and fall hazards and describes the essential elements of a fall protection program.
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    Daniel W. Vomhof, PhD
    Certified Accident Reconstruction Specialist
    8387 University Avenue
    La Mesa CA 91942
    USA
    phone: (619) 464-3477 / Cell: (619) 784-8238
    fax: 619-464-2206
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    Dr. Daniel W. Vomhof, PhD is a Accident Reconstruction Specialist with specialized knowledge in Human Factors and BioMechanics. He provides Scientific Evidence Evaluation and Event Reconstruction in matters involving personal injury, property damage, or product failure or malfunction.

    Dr. Vomhof has been a full time forensic reconstruction consultant since 1973. He has a PhD in Biochemistry / Physiology and MS in Analytical Chemistry and Occupational Safety & Health.

    Areas of Specialization:
    • Event Reconstruction
    • Vehicle Accident Reconstruction
    • Biomechanics and Biodynamics
    • Human Factors
    • Questioned Documents
    Litigation Support - Dr. Vomhof has reconstructed over 3,000 accidents and appeared in over 500 trials as a testifying expert witness. Dr. Vomhof is available to attorneys representing both Plaintiff and Defense.

    Services Include:
    • Evaluation of traffic signal timing related to vehicle, pedestrian, and motorcycle accidents
    • Reconstruction of vehicle, pedestrian, and motorcycle accidents
    • Evaluation of Pedestrian, Facility, Walking Surface interactions
    • Measurement and evaluation of lighting as it affects perception of hazards
    • Measurement and evaluation of sound levels
    • Documentation of vehicle evidence and scene conditions through photography and measurements
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    Morris S. Farkas
    Professional Safety Engineer
    3835 E. Thousand Oaks Blvd. #365
    Westlake Village CA 91362
    USA
    phone: 805-494-0444
    fax: 805-494-0441
    Morris S. Farkas is a Professional Safety Engineer with over 35 years of experience in Construction, Industrial, and Electrical Safety, with the following credentials: Bachelor of Science Degree in Civil Engineering, Master of Science Degree in Safety, Licensed Professional Safety Engineer in California and Teaching College Courses in Accident Prevention, Construction Safety, and Occupational Safety and Health.

    Background Experience: - From 1974-1979, Mr. Farkas worked as a Construction Safety Engineer and Industrial Safety Engineer for the California Division of Occupational Safety and Health (Cal-OSHA), conducting safety inspections and accident investigations. For the next 12 years, he served as a Gas Pipeline Safety Engineer and Overhead & Underground Electrical Power Line Safety Engineer with the California Public Utilities Commission conducting safety inspections and accident investigations. Mr. Farkas also spent over 10 Years as a Bridge and Highway Engineer with State of California, Division of Highways (Cal-Trans).

    Litigation Support - Mr. Farkas has provided expert testimony for attorneys representing both Plaintiffs and Defendants. Since 1979, he has been retained as an expert over 3,000 times, given approximately 1,500 depositions, and opined in 250 trials in both State and Federal Courts.

    Mr. Farkas' services include consulting, document review, site inspections, safety research, reports, expert declarations, and expert testimony. He has testified in California, Arizona, Nevada, Michigan, Minnesota, and Wisconsin.

    Areas of Expertise:
    • Safety Engineering
    • OSHA Compliance
    • Safety Standards
    • Safe Custom and Practice
    • Standard of Care
    • Safety Instructions
    • Safety Labels & Warning Signs
    • Safe Use of Tools & Machinery
    • Accident Reconstruction
    • Construction Safety
    • Demolition Safety
    • Electrical Safety
    • Machine Guarding
    • Aerial Lifts
  • Industrial Safety
  • Pipeline Safety
  • Roofing Safety
  • Confined Space Entry into Tanks
  • Energy Source Lockout & Tagout
  • Ladders
  • Scaffolds
  • Manlifts
  • Personal Protective Equipment
  • Products Liability
  • Work Platforms
  • Stairs / Stairways
  • Forklifts
  • Fall Protection Solutions
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    Frank S. Ferrantello, PLS
    Land Surveyor
    12 West Mall
    Plainview NY 11803
    USA
    phone: 516-249-6363
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    Frank Ferrantello Surveying Engineering Expert PhotoFrank S. Ferrantello, PLS, is a New York State Licensed Land Surveyor with over 20 years of experience in Surveying, Civil Engineering, and Land Use Planning.

    Both his field and office Work experience have dealt with a wide range of projects and sites including residential single, multifamily, high rise municipal, utility, private and public, commercial, and industrial.

    Prior to and post college, Mr. Ferrantello worked for the firm of John P. Ferrantello PC from 1998 to 2010 and MJM engineering from 2008 to 2016. His duties consisted of performing office and field surveying, drafting, research, computations, boundary analysis, solutions, investigations and determinations.

    Mr. Ferrantello also has extensive experience in Site Planning and Subdivision Consulting, examining title records, deeds and other recorded documents such as ingress and egress, pedestrian easements, right of ways, air and development rights, vista easements, bridle paths, beach, bathing and mooring rights, covenants and restrictions, real property, zoning, and other land use principles.

    Litigation Support - A mapping professional, Frank S. Ferrantello will enhancing your case, whether it is a vehicular accident, tree collision, wrongful death, adverse possession, extreme error, or misconduct surveys and maps. He has extensive knowledge of the local Long Island zoning codes, site planning and subdivision regulations. His services are available to attorneys representing plaintiff and defendant, insurance companies, and experienced developers.

    Legal Services:
    • Expert Witness Testimony
    • Environmental Consulting
    • Legal Descriptions and Deeds
    • Liaison for Municipalities
    • Variance Applications
    • Wetlands Applications
    • Zone Changing Requests
    • Riparian Rights
  • Riparian Surveys
  • Beach Enhancements
  • Property and Easement Descriptions
  • Trip and Fall Surveys
  • Photo Dynamic and Exhibit Surveys
  • Vehicular Accident Diagrams
  • Forensic Surveys
  • Legal Affidavits
  • Areas of Expertise:
    • Accident Investigation Photo Analysis & Mapping
    • Sidewalks / Walking Surfaces
    • Slips Trips Falls
    • ADA Compliance / ADA Design
    • Commercial Development
    • Construction Zones
    • Real Estate Zoning
    • Drainage
    • Land Development / Site Work
    • Land Mapping
    • Land Surveying – PRIMARY
  • Land Use Planning / Site Planning
  • Urban Design / Development / Planning
  • Civil Engineering
  • Sanitary Engineering
  • Sewers
  • Aerial Photo Analysis & Mapping
  • Floods / Flood Studies
  • Site Analysis
  • DOT Rules & Regulations
  • Highway Sight Distance
  • Highway / Street Design
  • View Frank S. Ferrantello's Consulting Profile.
    12/13/2017 · Land Use
    Property owners have rights and protecting those rights was a central part of the Founding Fathers' goals. Nevertheless, there are certain circumstances in which owners can have their property taken from them. The process through which private property is legally dispossessed by the government is known as condemnation. Property owners are entitled to fair compensation and have the opportunity to offer their own valuation information in condemnation proceedings. There are various factors to consider for accurate property valuation: size, zoning, structures, use, accessibility, adjacent properties, leases, etc. An essential part of due diligence is determining precisely what the property comprises.

    Retention of a professional land surveyor prior to purchasing land, planning, developing or designing improvements is vital to protect the investment. In New York, only a survey made by a licensed land surveyor can define the size and location of property purchases, and most importantly, accurately convey what is really happening on the property, such as easements, situations with adverse possession, or indentifying structures in relation to existing certificates of occupancy.

    Over the centuries, surveys have been prepared for many reasons. The oldest types of surveys in recorded history are boundary surveys - these are essential to one's holdings - personal or investments.

    Easements can benefit or burden a number of parties on or around certain tracts of land. Easements are common on most parcels of land. An easement can give one the right to use another person's land for a stated purpose. It can involve a general or specific portion of the property for various different uses. Many surveyors today do not thoroughly research properties and do not always show easements on their work that may be crucial to the rights associated with a parcel of land.

    Now more than ever, it’s important for a land surveyor and lawyer to work as a team. The services of an experienced land surveyor can prevent future expenses or even the undertaking of defending a lawsuit.

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    Robert L. McNealy
    PO Box 91171
    Salt Lake City UT 84109
    USA
    phone: 801-574-0387
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    Robert L. McNealy, founder of Flooristics, specializes in Flooring Related Accidents and Defects. He is experienced in the testing of concrete, ceramic tile, carpet, resilient, bamboo, hardwood, laminate, and engineered flooring materials.

    With more than 11 years of experience in the flooring industry, Mr. McNealy has served in a variety of industry roles, including: flooring contractor, certified flooring inspector, industry standards developer, industry related media personality, and interior design school advisory board member.

    Mr. McNealy maintains the following industry designations and certifications: Walkway Audit Certificate Holder (WACH), Senior Carpet Inspector, Concrete Slab Moisture Testing Technician, Carpet Reinstallation and Repair Technician, Resilient Flooring Inspector, Wood and Laminate Floor Inspector, IFCI Flooring Inspector, Substrate Subfloor Inspector, Carpet Cleaning, Wood Floor Inspector.

    Litigation Support - Robert McNealy's unique hands-on experience, combined with his extensive academic and industry training, make him invaluable in determining the merits of cases, screening contracts and case records, understanding proper application of industry standards and best practices (even when they conflict), writing reports and affidavits, developing timelines, building out teams of other experts, scope of work analyses, providing expert opinion, and giving depositions and trial testimony regarding industry best practices. His services are available to attorneys representing both plaintiff and defendant.

    Areas of EXpertise:
    • Slip, Trip, and Fall
    • Coefficient of Friction (Tribometry)
    • Slip Testing
    • Specifications and Standards Review
    • Floor Project Consulting
    • Carpet Claims
    • Resilient Claims
    • Hardwood Claims
    • Floor System Integration
  • Floor Failures and Defects
  • Concrete Moisture Testing
  • Interior and Exterior Walkway Surfaces
  • Floor Coverings
  • Floor Matting and Rugs
  • Floor Cleaners, Polishes, and Coatings
  • Sidewalks, Parking Lots, Ramps and Curbs
  • OSHA Walking and Working Surfaces
  • ANSI, ASTM, OSHA
  • CV Available Upon Request

    View Robert McNealy's Consulting Profile.
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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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    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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    P.E.
    1111 Town & Country Rd,Suite 34
    Orange CA 92868
    USA
    phone: 714-973-8383 Cell: 714-904-2821
    fax: 714-973-8821
    Traffic Engineer Expert Witness / Motor Vehicle Accidents

    EDUCATION:
  • Undergraduate - UCLA (1967)
  • Graduate - Yale University (1968)

    SPECIALTY:
  • Traffic accidents - maintenance, design, geometrics, controls, signage, sight distance, parking, motorcycle, bicycle, pedestrians, governmental agency procedures
  • Over 300 cases since 1979
  • largest verdict $12.3 million against caltrans pedestrian case
  • Largest settlement $2,000,000 in solo vehicle accident case against Caltrans

    FORMER EMPLOYMENT:
  • Los Angeles County Road Department
  • Riverside County Road Department
  • City of Irvine
  • Federal Highway Administration
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    Nik Ellis
    Managing Director
    188 - 200 Pensby Road
    Heswall Wirral CH60 7RJ
    GBR
    phone: 0151-342-9961
    fax: 0151-342-7844
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    Established in 2000, Laird are an Expert Witness services firm supporting the Legal sector across the UK. They understand the importance of providing an efficient and seamless customer journey and review their processes continually to ensure that they achieve and surpass expectation levels daily.

    With constantly evolving IT systems and exceptional customer service, Laird are leading the way in the Expert Witness sector. You can instruct with the click of a button via their website and will be kept up to date at every stage of your case.

    Laird have three main areas of expertise:

    Automotive Experts
    • Vehicle Damage Reports
    • Low Velocity Impact
    • Diminution in Value
    • Desktop Reports
  • Vehicle Valuation Disputes
  • Accident Reconstruction
  • Pre and Post Repair Inspections
  • Vehicle Data Check
  • Photography Experts
    • Locus Reports
    • Personal Injury Photography Reports
    Language Experts
    • Interpretation
    • Translation
    • Witness Statements
    • Document sign up service
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    102 Legendre Dr.
    Slidell LA 70460
    USA
    phone: 985-781-2571
    G. Fred Liebkemann IV, PE, is a Mechanical Engineer and an experienced designer and analyst of heavy handling and construction equipment, oilfield drilling equipment & structures, and service vessels including liftboats & jackup rigs.

    Mr. Liebkemann is a qualified Crane Operator, Mechanic, and Rigger in accordance with API RP2D 7th edition. His current projects include investigation of crane, heavy equipment, and oilfield accidents, and the design of heavy machinery for various manufactures. Other areas of design experience include personnel access equipment such as manlifts, ladders, stairs, & scaffolding. Mr. Liebkemann's Marine Design experience includes hull structures, facilities, pumping & piping systems, propulsion & steering systems, and launching arrangements.

    Mr. Liebkemann has delivered presentations and lectures on inspection and damage assessment of crane structures for crane mechanics. Speaking engagement topics have also included new regulatory requirements and rule changes for crane mechanics and inspectors.

    Litigation Support - Mr. Liebkemann's services have been retained 134 times by attorneys in connection with accidents and disputes. Many of these cases are currently active. His services are retained several times per year by industrial and manufacturing clients to investigate major equipment failures. Available to counsel for both plaintiff and defendant, his services include accident investigations, site inspections, still and video photography, engineering design & failure analysis, preparation of drawings and scale models, reports, and testimony.

    Areas of Expertise:
    • Crane Design and Operations
    • Rigging
    • Forklift Operations
    • Amusement Ride Design
    • Manual Lifting Practices
    • Pile Driving Operations
  • Ladders & Scaffolds
  • Walking & Working Surfaces
  • Machine Guarding
  • Oilfield Drilling Equipment Design & Operations
  • Personnel Access Equipment Design and Operations
  • Liftboat Jackup Drilling Rig Design / Operations
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    James D. Madden, PE
    Senior Forensic Engineer
    8803 Brecksville Road,Suite 7-216
    Cleveland, OH 44141
    --------------------
    ALL STATES
    USA
    phone: 440-838-1191
    fax: 440-838-1192
    James_Madden_Logo.jpg
    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 prepared over 600 written reports and prepared over 60 affidavits in place of written reports 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 include consultation, on-site investigation and data collection, and preliminary evaluation. James D. Madden also provides calculations, testing, research, accident analysis, equipment and facilities analysis, accident reconstruction, and verbal and written reports. James D. Madden's expert witness services are available for depositions, arbitrations, and trials.
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