Air Conditioning - Boilers - Chillers - Heating and Refrigeration.

Our team of experts (Doc Mitchell & Larry Dunn P.E) at A - B - C - H and R hold more licenses, certifications and degrees in fields directly related to all phases of Air Conditioning, Asbestos, HVAC, Boilers, Refrigeration, Pressure Piping and Mechanical Engineering than any other team of HVAC and Refrigeration experts in the United States, Canada & South America.

In addition to their outstanding combined credentials they have over 70 years experience in all phases of Asbestos, Air Conditioning, Boiler, Chillers, Heating and Refrigeration systems. This includes trouble shooting, installation, service, repair, rebuilding, factory warranty service and design from the smallest of laboratory equipment to the largest systems in the world.

A - B - C - H and R has a fully equipped laboratory for testing and dissection of any type of equipment, as well as a large high security storage warehouse for the safe and secure storage of evidence.

A - B - C - H and R also has a fully stocked tool trailer to allow us to bring everything that is needed to perform on-site testing and dissection.

Bison is a multi-disciplined engineering firm specializing in failure analysis, forensic engineering and fire sciences with a team of P.E.'s who have performed thousands of forensic assignments including in excess of 1,000 fuel gas investigations.

Legal professionals turn to Bison to scientifically conduct investigations to determine the cause of destructive events. Forensic Engineers provide expert testimony and consultation. Investigations include explosions, fires, carbon monoxide incidents, electrical fires and failures, structural failures, mechanical failures, accident reconstruction, specialized testing, and courtroom presentations:

Fuel Gas Incidents: Fire and Explosion Causation; Propane Explosions, Natural Gas Explosion, Gas Delivery Systems; Carbon Monoxide Testing and Evaluation, Production and Migration Investigations; Plant & Pipeline, Piping Evaluation; Operational Analysis; Appliance Evaluation; Code Compliance; Soil Gas Migration; Vapor Dispersion

Fire Investigation and Explosion Analysis: Cause and Origin, Scene Documentation; Collection of Evidence; Certified Fire Investigator

Electrical Engineering: Electrically Related Fires, Electrical Service and Wiring Failures, Production Facility Service and Controls for Chemical, Petroleum, and Distribution Facilities, Electrical Contacts, Electrocutions; Lightning Strikes

Mechanical Engineering: Equipment Design and Operation; High-Pressure Oilfield Equipment; Pump Design and Operation; HVAC Systems; High and Low-Pressure Seals; Plastic Part Design and Manufacture, Industrial Equipment

Accident Reconstruction: Accident Sequence Reconstruction; Speed, Time and Distance Calculations; Crush Damage; Braking; Steering and Mechanical Analysis, including Tires; Electrical System / Electronic Failures; Mechanical and Fuel Systems; Airbag and Seatbelt Fatalities/Injuries; Staged Vehicle Impact

Failure Analysis: Industrial Equipment, Vehicle Impacts, Airbags and Seat Belts; Elevator Failures; Helmet and other Protective Equipment Failures; Infant Crib Design Inadequacies; Carbon Monoxide Investigations, Crane Failures, etc.

Metallurgical Engineering: Metal Fatigue of Gas Compressor Components; Electrical Contact Evaluations; Cracking of Structural Plastics; Chemical Analysis; Corrosion & Stress Evaluation and Analysis; SEM Analysis; Electron/Optical Microscopy; X-ray Examination

Bison's clients argue their cases with confidence, secure in the knowledge that their claims are based on unbiased, scientific data.

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. Their 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 at Brosz & Associates enables 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.

Their 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

Douglas C. Buchan is an energy expert with over 40 years expertise in the gas and petroleum industry.

Mr. Buchan served as Deputy Assistant Secretary for the U.S. Department of Energy, and as a consultant for the United States Government as a gas and petroleum expert. He served as a member of the White House, Special Assistant to the President for Public Liaison and the Special Assistant to the President for Consumer Affairs teams.

Successful Case Completion

Over 300 Natural Gas and Propane Gas Related Fire, Explosion and Carbon Monoxide Cases

Over 150 Petroleum Product Cases, Gasoline, Diesel Fuel and Hazardous Materials Related Cases

Areas of Expertise:

Regulations and Standards, Policy and Procedures Operations and Maintenance

Management

Training

Installations

Safety and Oversight

Fire and Explosions Origin and Cause related to fuel gases

John Batey is a Professional Engineer with more than 30 years of experience related to Combustion Equipment Design, Testing and Performance Evaluation. He started and headed the combustion equipment research and development program at Brookhaven National Laboratory. This program focused on testing and evaluating residential and commercial oil and gas heating equipment.

As a consulting engineer, he completed many successful projects related to residential, commercial and industrial burner operation, adjustment, and efficiency improvement. He has supplied consulting services to many law firms, insurance companies, oilheat marketers and associations, oil and gas equipment manufacturers. He has served as Technical Director of the Oilheat Manufacturers Association (OMA) for the past ten years.

Areas of Expertise:

Carbon Monoxide injuries and deaths from oil and gas combustion equipment

Smoke and Soot Damage from Oil and Propane Equipment

Fuel Oil Leaks

Fires Related to Heating Equipment

Burn Injuries from Combustion Heating Equipment

KnightHawk Engineering, Inc. is a technology based Specialty Engineering Company that performs consulting, field services and testing. They do this with a broad spectrum of experience-based personnel utilizing a multi-discipline integrated systems approach. Using the same approach KnightHawk develops and manufactures performance enhancement products. KnightHawk Engineering is frequently called on to solve the most difficult and challenging problems in industry which need to be solved within aggressive time constraints, without sacrificing safety, quality, or performance.

KnightHawk Engineering have made their mark in the analysis of static equipment including selective linear exchangers, quench coolers, furnace tubes, pelletizing dies, and blow-down systems into closed headers. Rotating equipment analysis includes machine and structural dynamics, evaluation of acoustic pulsation, and rotordynamic modeling. They have also established a good reputation in specialty machinery design and third party design audits.

Cliff Knight is President of KnightHawk Engineering and a Professional Engineer with 36 years of experience. Besides his corporate responsibilities as President, Mr. Knight is also Chief Engineer. Mr. Knight specializes in design, failure analysis and troublshooting in static rotating equipment. He has 21 years of experience in utilizing computer applications, which include Finite Element Method, Numerical Modeling, Heat Transfer, Pipe Stress Analysis and Computer Fluid Dynamics.

While with KnightHawk, Mr. Knight has developed proprietary tools and methods for performing analysis on Pelletizing Dies, Presure Vessels, Heat Exchangers and Centrifugal Compressors. He holds four patents related to this work. Before coming to KnightHawk, Mr. Knight spent ten years at Dow Chemical, U.S.A., where he acheived the position of Sr. Mechanical Engineering Specialist and Group Leader.

Services Include:

FEA – Linear / Nonlinear – Elastic / Plastic CFD – Transient and Steady State Fitness for Service Pipe Stress Machine Design Rotating Equipment Repair Pressure Vessel / Heat Exchanger Design Thermosyphon Analysis – Complex Systems Process Simulation on Static and Rotating Equipment Rotordynamics Heat Transfer

Thermodynamics Water Hammer / Steam Hammer Structural Dynamics Earthquake Analysis Off Shore Wave / Wind Analysis Code Compliance Risk Assessment Catastrophe Investigation Vehicle Dynamics Controls Analysis Third Party Design Audit

Specialty Areas Include:

ASME Code Compliance Boilers Compressors Critical Piping Systems Elastic / Plastic FEA Fit For Service Analysis Heat Transfer Driven FEA Engines Flow Induced Vibration Furnaces Reciprocating Pumps and Compressors

Gas and Steam Turbines High Pressure Reactors Pelletizing Dies Selective Linear Exchangers Specialty Equipment Design Steady State / Transient CFD Analysis of Static and Rotating Equipment Structural Analysis Transfer Line Exchangers Vessel Alterations and Repairs Process Performance Analysis of Static and Rotating Equipment