Electrical Shock & Fires Expert Witnesses

Peter R. Walsh, PE, is a Licensed Professional Electrical Engineer with over 35 years of experience. He is an NFPA 70E Certified “Electrical Safety Compliance Professional” and OSHA “Authorized Trainer” for General Industry Training. 

Background - Mr. Walsh joined General Electric Company early in his career as a Field Engineer. Since then, he has seen many electrical incidents in a variety of roles and companies. He began his forensic career with GE supplying analyses to their legal team. He has forensically investigated incidents in the proximity of electrical equipment, such as fuses, and provided application assistance for a total of 20 years with the largest fuse companies. 

Mr. Walsh has applied electrical products in accordance with National Electrical Code, OSHA regulations, IEEE Standards, and good practices. He has provided technical leadership to electrical industry codes and standards organizations. Presently he is a member of Code Making Panel 10 of the National Electrical Code, which is responsible for Overcurrent and Service Protection. His first appointment to the National Electrical Code was for the 2008 code cycle. 

Mr. Walsh served on other NFPA technical committees such as 110 and 111 and participated in meetings with NFPA 70E committees. NFPA recognizes him as a Certified Electrical Safety Compliance Professional. Within IEEE, he has served this Standards Organization enough to obtain Lifetime Membership. He has written numerous articles about arc flash, arc flash calculations, surge arrestors, and general electrical industry equipment. 

Litigation Support - Mr. Walsh provides expert witness services for cases involving Electrical Safety. His services are available to attorneys representing plaintiff and defendant and include site review, thorough reports, depositions, and trial testimony when needed. OSHA recognizes Mr. Walsh as an “Authorized Trainer” for General Industry. He trains electrical maintenance people in latest Safety Standards- NFPA 70E, OSHA General Industry, and the National Electrical Code. 

Areas of Expertise:

Workplace Electrical Safety NFPA 70E OSHA General Industry-Electrical National Electrical Code Electrical Overcurrent Protection Arc Flash

Arc Flash Requirements Electrocution Electrical Maintenance Electrical Fuses & Applications Fuse Forensics Investigation of Electrical Shock & Surge

Since 1988, Real-World Forensic Engineering, LLC ("RWFE") has provided engineering services to industries and government labs, as well as litigation support to both plaintiff and defense attorneys practicing in many areas.

RWFE Expertise Includes:

Components & Machinery Metallurgy & Corrosion Dynamics of Impact & Collisions Friction Analysis / Slips, Trips and Falls Intellectual Property & Patent Review Accident Reconstruction / Animation Computer Aided Design Education & Training

Electrocution & Switch Malfunction Grounding & Lightning Protection Lightning Impulse Testing Products and Premises Liability & Safety High-Voltage & Current Power Systems Bridge Design and Safety Fire & Explosion Cause and Origin And Much More...

At RWFE, we proudly distinguish ourselves by our Four C's:

CREDENTIALS. COMPETENCE. CREDIBILITY. COMMUNICATION.

Credentials:	B.S., M.S., M.Eng., M.B.A., J.D., and Ph.D. Degreed Licensed Professional Engineers in Mechanical, Electrical, and Civil Engineering Tenured University Professors and Professionals NAFI Certified Fire and Explosion Investigators (CFEI) Licensed Master Electricians
Competence:	Over 80 Combined Years of Experience in Engineering R&D, Industry, Academia, Consulting, and Expert Witness Litigation Support Over 120 Combined Deposition and Court Testimonies
Credibility:	Internationally Recognized in Our Areas of Expertise More Than $19 Million in Peer-reviewed and Funded Research Grants Over 200 Combined Scientific Publications and Journal Articles
Communication:	Over 20 Different Undergraduate and Graduate-level University Courses Over 30 Invited Short Courses, Talks, and Lectures

Design Evaluation – Accident Investigation – Intellectual Property
Failure Analysis – Fire Cause & Origin – Component Testing
Computer Aided Drafting – Accident Animation
Expert Witness & Litigation Support

www.ExpertEngineering.com

Rapperport Associates, Inc., provides exceptional capability in Failure Analysis, Fire and Explosion Investigation, Accident Reconstruction, Structural Analysis, Mechanical and Electrical Engineering, Metallurgy and Materials Science.

We have provided superior technical support for litigation since 1974, and possess an extraordinarily talented technical team with impeccable academic and industrial credentials and proven analysis capability. Our team of distinguished scientists and engineers is drawn principally from Massachusetts Institute of Technology (M.I.T.) and Stanford University.

AREAS OF EXPERTISE:

Failure Analysis Structural Design Analysis Metallurgical Failures Finite Element Stress Analysis Fracture and Fatigue Analysis Scanning Electron Microscopy Corrosion

Accident Reconstruction Automobiles / Trucks Biomechanics / Injury Mechanism Off-Road Vehicles Occupant Motion Aircraft Animation

Fire & Explosion Analysis Cause and Origin Electrical Gases, Liquids and Dust Industrial Processes

........Safety Machine and Industrial Safety Machine Guarding Construction Failures Slips, Trips, Falls

Engineering

Mechanical

Structural / Civil

Metallurgy

Materials Science

Aeronautics and Astronautics

Electrical

Mari S. Truman, PE, has more than 37 years of experience in Orthopedic Product Design and Development. As Principal Engineer with her company, Orthobiomech, LLC, she acts as an R&D design and development consultant to the orthopaedic industry and an injury biomechanics and medical device forensic expert.

Ms. Truman's design experience includes implants and instrumentation systems used to repair fractured bones, torn ligaments and/or to reconstruct spine, knee, wrist, hip, ankle, elbow, thumb based cmc, and other finger and toe joints for many of the USA based orthopaedic conglomerates and a few Asian, Australian and European firms.

Having designed and developed implants and instruments used for both human joint reconstruction and skeletal trauma repair, Ms. Truman is named on 12 Orthopaedic Patents and frequently gives talks on implant design and injury biomechanics on topics such as: knee and thumb-based joint surfaces and kinematics, joint design, rapid prototyping, medical device design control, and injury biomechanics.

Litigation Support - Ms. Truman has been providing Forensic Impact and Injury Biomechanics and Orthopedic Biomechanics to the legal industry for over 15 years. She draws on her strong knowledge of FDA and ISO EN13485 compliant design control processes, failure modes and effects analysis, clinically relevant tissue loading, and design safety assurance, including device performance requirements and warnings, during her medical device litigation reviews. Ms. Truman has a strong knowledge of the production and quality assurance processes used in the manufacture, cleaning, and sterilization of medical devices and the effects of such processes on product performance.

Analysis of Traumatic Injuries Related To:

Falls and Fall Recovery Vehicular Collisions Assaults and Fights Projectile Impacts Occupation or Workplace

Failed Medical Implants Assistive Devices Orthotics Consumer Products Sports and Recreation, Occupational Overuse / Injury

View OrthoBioMech LLC's Consulting Profile.

David K. Merrifield, CSP, has over 40 years of experience in Manufacturing and Manufacturing Management. A Certified Safety Professional, he has 23 years of experience in Safety Management, Risk Management, and Litigation.

Mr. Merrifield is knowledgeable in a broad range of construction, industrial and maintenance tools, machinery, and equipment. He has served as Chairman of the American National Standards Institute’s (ANSI) A92 main committee for Aerial Work Platforms and Chairman of ANSI Z535.6 Safety messages in collateral materials.

Litigation Support - Mr. Merrifield provides expert testimony and consultation involving Expert witness testimony concerning government and industry standards, warnings, instructions, maintenance and inspections, misuse, hazards and hazard control, duties of parties, fall protection, safety devices, product recalls, and service bulletins. His expertise is available to counsel representing both the Plaintiff and the Defense.

Areas of Expertise:

Warnings and Instructions Standards, Regulations, and Industry Practice Safe Design Process Training Maintenance and Inspections Modifications to Machinery, Equipment Misuse Hazard Analysis Hazards in the Workplace Duty of Owners, Users, Operators Fall Protection Safety Devices Product Recalls and Service Bulletins Safety Policies and Procedures Document Creation and Retention Accident Investigation

Product Safety Products Liability Construction Machinery Scissor Lifts Boom Lifts Personnel Lifts Cherry Pickers Fork Trucks Telescopic Material Handlers Skid Steer Loaders Mast Climbers ANSI Standards OSHA Industry Practice Electrocution Tip Over

View David Merrifield's Consulting Profile.

The experts at Miller Engineering are Ann Arbor-based professional engineers celebrating 35 years of service to University, Government, Insurance, and Industry through research, publications, presentations, and testimony. Miller Engineering has a staff of engineers and experts in the Mechanical, Chemical, Agriculture, Industrial, and Human Factors fields of engineering with specific knowledge in the following areas: Vehicles

• Car/Truck Accident Reconstruction
• Crash Data Retrieval (CDR)
• Visibility & Reaction Time Analysis
• Tires, Trailers, Brakes & Accelerators
• Truck/Off Road Vehicle Egress/Ingress
• Traffic Signing and Construction Zones

Mechanical & Electrical Safety

• Product Safety & Analysis
• Machinery - Metal, Wood, Plastic Molding
• Machine Guarding & Safety, Robots, Automation
• Hazard and Risk Analysis
• Employee Safety Procedures – OSHA
• Electrical Distribution & Transmission Hazards

Warnings & Instructions

• Warning Labels & User Manual Design
• Hazard Analysis & Product Label Designs
• Medical Device & Drug Warnings & Instructions
• Inadequate Warnings Analysis
• Standard Compliance (ANSI Z535)
• Product Recall Information & Strategies

Chemicals Safety & Labeling

• NEW OSHA HAZCOM (2012) & GHS Review
• MSDS, SDS and Product Label Compliance
• Toxic Torts - Diacetyl, Asbestos, Benzene, Lead, Carbon Monoxide

Chemical Exposures & Workplace Safety

• Chemical Inhalation, Ingestion, Dermal Contact
• Contamination - Water & Environmental
• Manufacturing & Process Line Accidents
• Slips, Trips, Falls, & Entanglements

Fires & Explosions

• Cause & Origin Investigations
• Gas, Vapor, & Electrical

Agriculture

• Tractor & Equipment Accidents
• Chemical Applications & Exposures
• Crop Storage & Harvesting Accidents
• Pesticides

Construction

• Vehicle Visibility Accidents
• Slip, Trip, & Fall Accidents
• Power Tool Repetitive & Immediate Injuries
• Scaffolding - Cranes - Hoisting - Fork Lifts

Consumers/Household Safety

• Appliances & Tools
• Child Furniture, Choking, Playgrounds
• Swimming Pools & Exercise Equipment
• Recreation - ATV, Boats, Bicycles, Boards
• Ladder, Stair, Step and Railing Accidents
• Slip, Trip, & Fall Accidents

Insurance Subrogation & Forensics

• Accident Investigations
• Electrical & Fire Causation
• Chemical Leakage Damage
• Defective Equipment Injuries
• Premise and Process Damages

	James M. Miller, PE, PhD – Founder Dr. Miller is an Emeritus Professor at the University of Michigan College of Engineering and a registered professional engineer and consultant with over 35 years of experience as an expert witness. He specializes in warnings, labeling and instruction manuals, consumer product design, machine guarding, process safety, fire science, vehicle visibility, tractor egress/ingress, pedestrian and worker slip and fall prevention, recreational vehicles (ATVs, boats, and personal watercraft), compliance with occupational safety and consumer safety standards (OSHA, MSDS, CPSC, ANSI, ASTM, UL, etc.).
	Mark R. Lehto, PhD – Co-Founder Dr. Lehto is a Professor of Engineering at Purdue University. He specializes in knowledge engineering, warnings and instructions, structuring expert systems, accident modeling, accident statistical analysis, consumer product safety, boating safety, in-field national surveys of product usage and product information effectiveness.
	Bradley T. Cook, PE – Managing Engineer Bradley is a registered professional engineer and consultant with extensive experience in accident reconstruction. He specializes in vehicular accident reconstruction and has investigated hundreds of vehicle accidents involving cars, trucks, pedestrians, bicyclists, motorcycles, etc. Bradley also has experience in product safety and hazard analysis; occupational safety and health (OSHA) compliance; pedestrian and worker slip and fall prevention; investigation and reconstruction of industrial and consumer product accidents. He holds a Bachelor of Science in Mechanical Engineering from the University of Michigan and a Masters of Science in Engineering with a Biomedical concentration from Purdue University.

Areas of Expertise:

Accident Reconstruction Biomechanics Human Factors Safety Accident Prevention Adequacy of Warnings Building Codes Coefficient of Friction Construction Defect 3D Scans Failure Analysis

Industrial / Recreational / Structural OSHA Compliance Premises Liability Product Integrity / Testing Computer Animation and stimulations Defense and Plaintiff Cases Civil & Criminal Educational Seminars Litigation and Non-litigation Mediation / Arbitration Services Court Testimony over 2000 x's

Auto • Airbag • Bicycle • Boating • Bus • Chair Design / Safety / Failure • Diving and Drowning • Electrocution and Shock • Elevator • Escalator • Fires and Explosions • Forklift • Gate • Golf Cart • Highway Design and Safety • Ladder • Law Enforcement • Lighting & Illumination • Loading Dock • Metallurgy • Motorcycle • Paintgun • Playground Safety • Press • Ramps • Rollercoaster • Safety Guards • Scaffolding • Seatbelts • Slip / Trip and Fall • Spas • Stairs • Swimming Pool Design and Safety • Tractors • Trailers • Trucks • 3D Scans

A Licensed Professional Engineer in 11 states, John Averrett specializes in electrical shock/electrocution, utilities, lightning strikes, and grounding cases involving death, personal injury, industrial equipment failure, vehicular accidents, fire cause/origin, contract, and construction disputes. 

Areas of practice include: Alabama, Florida, Georgia, Mississippi, Tennessee, South Carolina, North Carolina, Kentucky, Arkansas, Louisiana, and Texas; other states by comity. 

John Averrett is Executive Vice President of Goodwyn Mills & Cawood headquartered in Montgomery, AL. He has more than 25 years' experience in plan development for governmental, municipal, industrial and commercial clients and is currently coordinating a group of twelve other electrical engineers and designers. In addition to his design efforts, Mr. Averrett's experience includes work with electric utilities that includes transmission, sub-stations, and distribution; work with investigating lightning strikes; work with investigating grounding insufficiencies; and work analyzing and providing solutions for arc flash hazards.

Litigation Support - Mr. Averrett offers expert witness services to attorneys representing plaintiff and defendant. He provides site review, thorough reporting, deposition, and trial testimony as needed nationwide.

Electrical Engineering Electrocution Lightning Lightning Protection Arc Flash Electrical Safety

Building Analysis Grounding Shock Electric Shock Drowning Breaker Coordination Electrical Utility Districution

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.

H. Landis “Lanny” Floyd II, PE, CSP, CMRP, CRL, CESCP, Life Fellow IEEE, has over 45 years of experience in Electrical Safety in the Workplace. His work has advanced the application of Human Factors Engineering, Electrical Technology, and Safety Management Systems in preventing occupational electrical injuries. Mr. Floyd retired from DuPont in 2014, holding the positions of Principal Consultant - Electrical Safety & Technology, and Global Electrical Safety Competency Leader. 

Background Experience - For the past 35 years, Mr. Floyd focused on electrical safety in the construction, operation, and maintenance of industrial and commercial facilities worldwide for DuPont. This included safety management systems, competency renewal, work practices, and the application of technologies critical to electrical safety performance. From 1992 to 2014, he led the team that designed and facilitated implementation of a strategy for continuous and sustainable improvement in occupational electrical safety for DuPont Global Operations. This work enabled breakthrough performance in prevention of serious injuries and fatalities from electrical energy in DuPont facilities worldwide. In 2013, Mr. Floyd was invited to join the faculty at the University of Alabama at Birmingham, where he teaches in the Advanced Safety Engineering and Management Master of Engineering degree program. 

Litigation Support - Mr. Floyd has been providing expert witness services and litigation support for over 10 years. His expertise is available to counsel representing both plaintiff and defendant. Mr. Floyd's services include consulting, site inspections, testing, reports, depositions, and trial testimony when necessary. 

Areas of Expertise:

Workplace Electrical Safety Electrical Shock Arc Flash Electrical Safety Management Systems Electrical Codes and Standards NFPA70E & National Electrical Safety Code National Electrical Code Electrical Testing Instruments

Electrical Injury Electrocution Electrical Reliability Electrical Maintenance Electrical Construction Occupational Electrical Safety Electric Power Systems Overhead Power Lines

View Lanny Floyd's Consulting Profile.

Gregory J. Cahanin, CP works in the Fire Protection Engineering field. Over 40 years of experience in the application of sound engineering principles work to produce results in litigation cases. He is nationally recognized as a Life Safety and Fire Protection expert. He performs fire origin and cause, fire alarm, fire sprinkler, kitchen suppression, fire wall and compartmentation failures, and slip and fall forensic investigations. Gregory J. Cahanin Fire & Code Consulting has been based in St. Petersburg, FL for over 25 years.

Background - Mr. Cahanin served as a Senior Life Safety Engineer with the National Fire Protection Association (NFPA), the organization that writes Fire Protection Codes and Standards. He was staff liaison for building construction standards and the Fire Prevention Code. Special project work included support of the International Division of NFPA in a survey of fire protection for all oil production facilities of LaGoven SA in Venezuela; an evaluation of the existing airport terminal in Rio De Janeiro, Brazil; and a code comparison study for the National Institute of Building Sciences. Mr. Cahanin investigated multiple fatality fires for NFPA and his reports are nationally published and peer reviewed. Mr. Cahanin holds Professional Grade Membership in the Society of Fire Protection Engineers. Mr. Cahanin has earned three undergraduate degrees in Fire Science and Fire Protection and a Master in Public Administration.

Litigation Support - Mr. Cahanin regularly testifies in fire cases offering opinions on the origin and cause of fires in addition to component failures in construction, fire sprinkler systems, kitchen suppression systems and product failures. He is nationally published on fire protection requirements in the building code as a contributing editor on the 2006 edition of the International Building Code (IBC) Commentary where he edited the sections on fire-resistance rated construction. He currently serves on code committees with both the NFPA and ICC. Mr. Cahanin holds a NALA paralegal certification and is well versed in Civil Procedure, interrogatory, expert report writing, and trial procedures.

Mr. Cahanin meets the professional qualifications of NFPA 1033, Standard for Professional Qualifications for Fire Investigator as documented in a Florida Declaratory Statement held by no other fire expert in the state of Florida.

Investigations of note include the Warwick. R.I. Station Nightclub Fire in 2003 with 100 fatalities. In Wyatt v. Security Alarms Co., Inc. key testimony on the failure of a Viking automatic fire sprinkler established a product liability that resulted in a $1.4M dollar jury award for Wyatt in Oklahoma.

Mr. Cahanin's services are available to plaintiff and defendant attorneys. Case work can include site investigation, materials testing, thorough reporting, depositions, and trial testimony.

Areas of Expertise:

Fire Origin and Cause Determination Kitchen Fire Suppression Systems Fire Hazard Analysis Fire Sprinklers Fire-based Construction Defects CPVC Sprinkler Pipe Failure

Fire Walls and Compartmentation Life Safety Egress & Compliance Fire & Building Code Compliance Explosion Analysis and Cause Fire Alarm Failures Walking Surface Slip Trip & Fall

View Cahanin Fire & Code's Consulting Profile.

Thomas H. Burtness, PE, is an Electrical Engineer specializing in both Electrical and Building Construction - equipment selection, specification, and installation (actually “working with the tools”), as well as cost control techniques.

Background - Mr. Burtness has 40+ years of experience in the design, specification, construction contract administration, installation, startup, and troubleshooting of electrical power, on-site generation, distribution, control, and instrumentation systems and equipment for residential, commercial, industrial, and municipal occupancies. His experience also includes water, wastewater, and stormwater treatment plants, and military facilities.

Additional expertise includes Illumination Engineering for street, roadway, and area lighting including photometric footcandle requirements, calculations, field verification, equipment specifications, installation, and analysis of failure, glare, overlighting and underlighting.

Litigation Support - Since, 1981, Mr. Burtness has been providing forensic electrical engineering services to insurance companies and attorneys including accident and failure investigations, determination of cause and origin, litigation support, expert opinions, reports, and testimony. His services are available nationwide, with PE registration by comity available in most states.

Cases Involve:

Industrial Accidents Electrocution Personal Injury Fire Equipment and Machinery Failure

Failure of Safety Circuitry Grounding Lightning Damage and Fire Construction Defects / Contract Claims Design and Specification Disputes

View Thomas Burtness' Consulting Profile.

Brosz & Associates are Electrical Experts headed by President and C.E.O., Professor Helmut G. Brosz, B.A.Sc., D.B.A., F.A.A.F.S., P. ENG., Adjunct Professor at Ryerson University, Adjunct Assistant Professor at University of Toronto. They provide a wide range of highly specialized Forensic Science and Engineering, Accident Reconstruction, Testing, Commissioning, and Technical and Scientific Services. 

Brosz & Associates staff of specialists and experts have completed over 5,200 assignments since 1970 ranging from electrical accidents and electrocutions to electrical power system investigation and testing of equipment failures including circuit breakers, motors, switchgear, generators, transformers and appliances. Their engineering facilities allow them to perform in-depth research, electrical testing, forensic laboratory testing, microscopy, macro photography and photographic documentation, X-Ray testing, infrared testing, high voltage testing, high current testing and more. Most of their testing equipment is portable and they are also capable of producing professional collages and scale models for reports, mediations, depositions and trial. Clients include insurance companies, legal firms, adjusters, risk managers, manufacturers, contractors, utilities, governments and individuals. 

Services Include:

• Cause and Origin Investigations
• Failure Analysis
• Loss Prevention and Mitigation
• Subrogation Support for the Insurance Industry
• Electrical Safety and Accident Prevention