Building Materials Expert Witnesses: 12

Timothy M. Barrett, RCI, RRC,  CSI, CDT, GRP, has 60 years of experience as a Roofing Contractor, Educator, Manufacturer, and Consultant in the Roofing and Waterproofing Industry. Notable projects have included the White House, Lincoln Memorial, Jefferson Memorial, Gold Bullion Vault at Ft. Knox, Soldier Field, Paris Casino, Bethesda Naval Hospital, Dept. of Interior Headquarters, Transbay Transit Center, and thousands of others.

In addition to standard roofing and waterproofing, Mr. Barrett Designs and Builds Green Vegetated Roofs which can provide incredible contributions to the environment. Having chaired the RCI Greenroof educational program development I and II Committees, and having delivered the program a number of times in the Midwest, the South, the West Coast, the East Coast, and Canada, he is current on the science and the state of the art.

Litigation Support: Mr. Barrett has over 45 years of experience consulting and testifying as a Roofing and Waterproofing Expert. He is very experienced with Forensic Investigations for Thermal and Moisture Protection Systems on commercial, institutional, and industrial waterproofing and roofing projects. Mr. Barrett's services include thorough forensic reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Roofing Waterproofing Insulation Roofing Forensic Investigations Roofing Failure analysis Roofing Material Science Leak Tracing

Adequacy of Roofing Design Green Vegetated Roofs Plaza Deck / Parking Deck Construction Flat Roofs Metal Roofs Workmanship Standards and Materials Roofing / Waterproofing Project Evaluation

Certifications and Affiliations: Registered Roof Consultant (RRC); Roof Consultants Institute (RCI); Construction Document Technologist (CDT); Construction Specifications Institute (CSI); Green Roofing Professional (GRP); Green Roofs for Healthy Cities (GRHC)

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.

Gene Farmer, AIA, NCARB, LEED-AP, is president of Gene Farmer and Associates, Architects and Planners an award winning architecture firm. He has over thirty years of experience in the Design of numerous Residential and Commercial Projects in Florida, Texas, Illinois and Minnesota. His work has been published both locally and nationally and he has received numerous awards including two F.A.M.E. awards and the prestigious Price Waterhouse South Florida Business Journal "Up and Comer Award for 1990."

Mr. Farmer holds a license to practice architecture in the State of Florida, an N.C.A.R.B. Certification, and a Dade County Sub-Builder Certificate. He is also a certified Florida Building Inspector, a certified Florida Building Plans Examiner, a certified International Code Council ICC Commercial Building Inspector and a certified International Code Council ICC Building Plans Examiner. Mr. Farmer currently holds an OSHA 30 hour certification and has been a certified OSHA 500 instructor.

Mr. Farmer has served as an Expert Witness in numerous cases ranging from Construction Defects to Construction Claims Analysis.

Gene Farmer is a Professor Emeritus in the Moss School of Construction, in the College of Engineering and Computing at Florida International University. His teaching specialties include Principles of Construction Management, Building Construction Materials, Sustainable Construction, Building Codes, Quality Control in Construction, and Electrical, Mechanical and Plumbing Systems in Buildings.

In addition to his book entitled Architectural Detailing for Commercial Construction, published by McGraw Hill in 1991, he has a book entitled “A Contractor’s Guide to LEED Certified Construction” which was published in 2013 by Delmar-Cengage.

Expert Consultant/Witness in over 70-cases; Licensed Engineer with 30 years of experience in Civil/Structural Engineering & Construction Forensics Consulting, Construction Project Management and teaching/research. Has been retained by insurance companies, law firms, construction, energy, mining, technology & manufacturing industries, governmental and educational institutions, engineering and architectural firms, and individuals. Consultant in both plaintiff/defendant cases; testimony & trial experience.

• Expert Consulting & Witness; Insurance Claim, Peer Reviews, Legal Support

• Buildings, Structures & Materials: Residential, Commercial, Institutional & Historic; Bridges, Towers, Stacks/Chimneys, Containment Vessels, Tanks, Grain Silos, Conduits & Pipelines, Retaining Walls, Foundations, Slabs & Pavements; Concrete, Steel, Composite, Wood, CMU, Brick Masonry & Adobe

• Design, Construction, Integrity, Repair & Retrofit Issues

• Construction Defects & Accidents; Defective Concrete; OSHA Standards

• Code Compliance; Seismic Resistant Design; Errors & Omissions; Standards of Care

• Damage & Failure Investigation; Due Diligence; Non-Destructive Testing; Analysis/Report

• Vibration, Explosion, Impact, Earthquake, Wind, Fire, Hurricane & Flood Damage Investigations

• Pile Driving & Demolition Damage to Adjacent Facilities; Cracking & Settlement

• Dynamic, Stress & Thermal Analysis; Finite Element Method; Product Design; Failure Simulation/Reconstruction

• Slip, Trip & Fall Accidents

• Intellectual Property & Patent Infringement

Dr. Richard F. Lynch has over 35 years of industrial experience in all areas of Metallurgical and Material Forensic Investigations, including 11 years with a major metals producing and processing company. He serves as an Expert Witness / Consultant on Steel, Nonferrous Metals, and Non-Metallic Materials. 

As a U.S. patent holder, Dr. Lynch has authored and/or presented over 60 technical papers on the properties and uses of galvanized steel, cast and wrought non-ferrous and ferrous products, pretreatments for painting metallic surfaces, product development and ASTM standards. 

Dr. Lynch's client base includes attorneys and companies requiring failure analysis, metallurgical testing, or assistance with end product manufacture, metallurgical processing, casting, galvanizing, zinc production, surface treatments, metallurgical process licensing, international metals research and market research. 

Areas of Expertise:

Fracture Corrosion Failure Galvanized Steel Ferrous Nonferrous Polymers

Composites Paint Failure Standards / Specifications Failure of Structural Materials, Fabricated Products, Fuel Tanks Surface Preparation Metal Pretreatments & Painting of Galvanized Steel

Casey K. Hemmatyar, SE, is a Forensic Structural Engineer with over 30 years of diversified experience in the field of Structural, civil, and forensic engineering in design, investigation, evaluation, research, building code and standards development and construction supervision. His experience includes new buildings, special structures, as well as modifications, alterations, seismic / wind retrofits, and upgrades. Mr. Hemmatyar has provided failure analysis, expert consultation, structural forensic investigation, damage assessment services for many litigation and insurance related matters. He has been principal structural engineer on projects for clients such as NASA and several other high profile agencies.

Litigation Support - Mr. Hemmatyar has provided extensive services for defendants and plaintiff attorneys on construction litigation matters in single and Class-Action both on State and Federal lawsuits. His understanding of core legal concepts and engineering principles has enabled him to assist his attorney clients in the most efficient manner. His services include on-site inspection, written reports, depositions, and trial testimony as needed.

Areas of Expertise:

Construction Defects Failure Analysis Code Compliance / Violation Natural Disaster Damage Assessment Structural Failure Investigation Foundation System Settlements Structural Repair Analysis Corrosion Earthquake Damage Vibration and Frequency Mechanical, Electrical, Medical Equipments

Construction Schedule Delay Property Insurance Claims Standard of Care Construction Accidents Buildings & Public Works Flood & Demolition Damage Errors / Omission Water Intrusion Roof Systems Floor Systems Impact Forces

View Casey Hemmatyar's Consulting Profile.

Mark C. Vanderslice has been actively involved in almost all aspects of the Roofing and Waterproofing industries since 1978. Mr. Vanderslice is an active member of RCI, Inc., formerly The Roof Consultants Institute, an international association of building envelope consultants who specialize in design, investigation, repair and management of roofing, exterior walls and waterproofing systems. In 1984 Mr. Vanderslice was the 16th to receive certification of 426 nationally recognized Registered Roof Consultants in the United States from a professional membership of approximately 2,800.

Mr. Vanderslice's expertise includes performing architectural design reviews for roofing, waterproofing and building envelope exteriors for the purpose of verifying constructibility, conformance to material manufacturer's requirements, industry standards and Building Code requirements. He also performs complex leak investigations in order to determine the Cause and Origin of Leaks as well as developes comprehensive and effective scopes of long-term repairs. His services are available for cases involving water intrusion from various sources including roofing, waterproofing, sheet metal flashings, wall systems inclusive of stucco, stone cladding, masonry, cavity walls, DEFS, EIFS, Rain Screen and metal panels as well as waterproofing systems and virtually all types of water intrusion and related construction defects.

Mr. Vanderslice has been designated as an Expert Witness in more than 550 cases and has been retained by Plaintiff, Defense, and as a Neutral Third Party. Mr. Vanderslice has provided expert witness testimony in over a dozen trials and been deposed well over 150 times.

Areas of Expertise:

Architectural Codes / Design & Standards Ashaltic Shingle Roofs Built-up (BUR) Roofs Construction Defects Construction Design Construction Leakage Diagnostics Copper Roofs Deck Waterproofing

EIFS Window & Door Water Intrusion Forensic Inspection & Evaluation Roofing Stucco Water Leaks / Moisture Intrusion Below-Grade Waterproofing Exterior Wall Systems

View Consulting Profile.

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SUMMARY OF EXPERIENCE

 Brian Spiegel and David Spiegel offer expert testimony and consulting services regarding smoke, water, fire, mold contamination property damage restoration, reconstruction, and construction defect related problems. Both have been speakers nationally and internationally on property damage restoration, construction, and mold contamination related topics. In the past at the Property Loss Research Bureau (PLRB) national mold symposium in Charlotte, North Carolina and at the Forensics Consultants Association on toxic mold litigation and mold remediation in Newport Beach, California. In the media, Brian and David have written articles for industry trade magazines and given television and radio interviews, including one with Brian on ABC TV “Good Morning America” featuring a segment on mitigating water damage. 

CONSULTANTS AND EXPERT WITNESS

Mold & Bacterial Contamination Construction Defects Fire & Smoke Damage Industry Standards of Care

Structural Damages Water Damage Sewage Backflow Flooring Forensics

EXPERT SERVICES

Property Damage Contractor Inspections & Formal Reports Cause and Origin Investigations Smoke Particulate Testing Property Insurance Claims Testing

Detailed Construction Estimates Cost Damage Appraisals at Current Industry Pricing Litigation Support Infrared Structural Inspections Concrete Moisture Testing

PROPERTY DAMAGE ASSESSORS

• Residential and Commercial
• Appraisal Process: Appraisers & Umpires
• Contents and Structure

William C. Stein, Jr., PE, CCM, has more than 45 years of Roadway / Heavy Highway Construction and Materials Engineering experience. He has a rich and varied work history that includes construction materials engineering for highways and bridges, industrial plants, high rise offices, and power plants. He has worked for private owners and general contractors as well as the Department of Transportation.

Litigation Support - Mr. Stein Offers consulting and expert services for attorneys on issues regarding road, street, highway, temporary traffic control, runway, and earthwork; asphalt, concrete, coatings and other construction materials; designs, plans, specifications, CPM scheduling (Primavera) and contract documents; right-of-way issues; and work zone safety. Licensed in Louisiana, Pennsylvania, and Texas, he performs contract performance forensic investigations and provides consulting, expert reports, rebuttals, and testimony if required.

Areas of Expertise:

Highway Construction Roadway Construction Bridge Construction Highway Engineering Materials Engineering Construction Site Work

Traffic Safety Concrete / Cement Building Contractor Liability Construction Damages Scheduling Delay and Analysis Soil Analysis

Certifications:

• Certified Construction Manager (CCM)
• Certified Primavera Basic (CPM)
• Certified Primavera Advanced (CPM)
• Certified LADOTD Structural (bridge)
• Inspector/Technician Certified Troxler
• Humboldt Nuclear Moisture/ Density Operator
• Lead Abatement
• Certified Quality Compliance Surveillance in Fossil Power Plants, Organic & Inorganic Coatings Application and Inspection
• Certified Traffic Control Supervisor
• Certified Flagger Instructor

Thomas W. Caldwell, PE, has over 40 years of experience in Materials Research and Development, Process and Product Development, and Manufacturing Operations in the Precision Cast and Machined Products industry.

Mr. Caldwell has designed and manufactured components for consumer and industrial products, including safety-critical applications such as aircraft landing gear brakes, seat belt lockup devices, windshield wiper, and window lift motor systems. He has experience creating and guiding technology development and manufacturing partnerships in Europe and Asia, licensing and selling intellectual property and creating supply chains in China.

Mr. Caldwell has lectured in the USA, Germany, Switzerland, and India on manufacturing premium quality metal products and manufacturing processes, and was a technical paper peer reviewer for 20 years for the Society of Automotive Engineers. A United States patent holder, he has published peer reviewed research in electrochemistry and materials processing, and has written and spoken numerous times on the subject of Materials Selection.

Litigation Support - Thomas W. Caldwell, PE, is a testifying and consulting expert for both plaintiff and defense counsel. His cases involve product failure for ferrous and non-ferrous alloy products such as hand tools, recreational and exercise equipment, fire fighting apparatus, rotating industrial machinery, construction hardware, piping, and lighting fixtures. Mr. Caldwell utilizes destructive and non-destructive methods for insuring product integrity.

Areas of Expertise:

Design Engineering Materials Failure Analysis Materials Engineering Mechanical Engineering Metallurgy Power Tools Products Liability Design Defects

Manufacturing Defects Fitness for Use Equipment Operation and Maintenance Accident Reconstruction Material Selection Manufacturing Process Design and Scale Up Safety Component Product Quality Control Safety Component Quality Systems Management

View Thomas A. Caldwell's Consulting Profile.

Dr. David Tawfik is a chartered professional engineer and has been engaged by major project alliances, legal firms, contractors and asset owners to provide impartial advice and undertake expert investigations concerning the Procurement, Fabrication and Performance of Construction Materials used in transportation infrastructure, rail, water, mining, maritime and energy sectors. 

Dr. Tafik's technical competence includes welding and joining, metallurgy, forensic engineering, thermal-mechanical analysis, corrosion analysis, non-destructive testing and condition monitoring. Dr. Tawfik has presented and published technical papers at international conferences, congress, forums and peer reviewed journals respectively. 

Expert and Consulting Services Include:

• Expert Technical Advisory
• Supervision and Approval of Fabrication Programs
• Forensic Engineering
• Third Party Reviews, Audits and Certification
• Troubleshooting
• Project Management
• Technical Due Diligence
• Incident Response

The Falcon Group consists of Forensic Architects and Engineers who consult on construction claims. We provide claims consulting for: Construction Defects, Architectural Standard of Care, Delay, Errors and Omissions (E&O), Building Codes, Specifications and costs. The Falcon group has Professional Engineers, Registered Architects, Roofing Experts, Stucco Experts, EIFS Experts, and Building Envelope Experts. We perform dispute resolution and prepare expert reports for a wide range of construction issues. Litigation sometimes becomes necessary to resolve construction, engineering, architectural or materials-related disputes. For virtually any type of property or project, we provide a variety of analytic and related services to assist clients in obtaining successful litigation outcomes, related to:

Developer Transition Expert Witness/Professional Testimony Material Defect Claims Construction Defect Reports and Claims Construction Litigation Support and Documentation Education

Municipalities Banks Commercial Property Managers Insurance Companies Attorneys Private Property Owners

Professional Services Provided Include:

Design Plans and Specifications Forensic Engineering Litigation Support Construction Administration and Inspection Specialty Services for Community Associations

Land Surveying Civil Engineering Architectural Engineering Construction and Material Testing Architectural Services Property Condition Assessment (PCA) Reports

Litigation Support - Litigation sometimes becomes necessary to resolve construction, engineering, architectural or materials-related disputes. For virtually any type of property or project, we provide a variety of analytic and related services to assist clients in obtaining successful litigation outcomes, related to:

• Developer Transition
• Construction Defect Reports and Claims
• Material Defect Claims
• Expert Witness/Professional Testimony
• Construction Litigation Support and Documentation

View Falcon Group's Consulting Profile.