Concrete Slabs / Foundations Expert Witnesses

Wayne J. Seiler, PhD, PE, is a Principal Engineer with All About Pavements Inc (API), with responsibility for Airport, Highway, and Port Pavement engineering and construction projects. With over 38 years of pavement engineering expertise, he is a Registered Professional Engineer in Minnesota, Illinois, North Carolina, Florida, Virginia, Maryland, and Mississippi.

Dr. Seiler has conducted pavement evaluations and developed numerous pavement designs for the reconstruction and rehabilitation of airports throughout the United States during his 38 year career. As a project manager, he has completed pavement evaluation, rehabilitation design, and pavement management work for several commercial airports, including BWI, Charlotte International Airport, Portland International Airport, Pittsburgh International Airport, O'Hare International Airport, Raleigh-Durham International Airport, Dayton International Airport, Wichita’s Mid-Continental Airport, and Montreal’s Mirabel and Dorval International Airports. These studies were accomplished through extensive records review, thorough investigations, pavement condition index surveys, nondestructive deflection testing, remaining life analyses, rehabilitation design using FAA procedures and more advanced mechanistic analyses, and life cycle cost comparisons.

In 2017, ASCE’s Transportation & Development Institute awarded Dr. Seiler with their national Airfield Pavement Practitioner Award. This award honors and recognizes practicing engineers employed in the airfield pavement engineering profession with demonstrated leadership and achievement in airfield pavement projects.

Litigation Support - Dr. Seiler has provided expert witness and expert consultant services to assist in the investigation of Pavement Failures that have occurred shortly after construction. Engineering services include data collection with Nondestructive Deflection Testing equipment and the use of local geotechnical laboratories at the project site.

To assist in legal case resolution, API owns two Falling Weight Deflectometers that can be used to successfully gather forensic data to complement his pavement expertise. Dr. Seiler recently helped the Cities of Concord and Manchester New Hampshire defend permitting fees that charge utility companies for constructing deep utility cuts that reduce the life of roadways in their cities. The case was successfully defended all the way to the New Hampshire Supreme Court after appeals by the prosecution.

View API's Consulting Profile.

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

Since 2010, Craig Moskowitz, MBA, MS, PE, the President and Managing Member of CLM Engineering Associates, LLC (CLM), has been concentrating the comapny's focus on forensic engineering/expert witness work for the insurance industry and legal community. In addition, they offer construction management, civil engineering and building inspection services. 

CLM has extensive construction management experience on both commercial and residential projects. Projects have included:

•  Safety inspections on both civilian and military projects through application of OSHA regulations. Designed drainage systems for the government while an officer with the United States military. Cost estimating for various projects exceeding $500 million<li>
• Designed document creation and management of high-rise construction in Manhattan
• Management of telecommunications projects for Verizon in Manhattan including CPM schedule creation and updating
• Directed and managed all water distribution system and sewer system work while working as a contractor to the New York City Department of Design and Construction. 
• Marketplace Services

Litigation Support - Forensic work related to evaluation of structural steel systems with commercial building construction and insurance-related claims due to storm damage on commercial and residential structures. Craig Moskowitz has been deposed several times in litigation matters. Mr. Moskowitz has testified 17 times in the past four years. 

View Craig Moskowitz's Consulting Profile.

Sanford C. Loy , CCM, B.Arch, MSCE, has over 40 years of experience in the Construction Industry. Mr. Loy has Degrees in Architecture and Engineering. A Certified Construction Manager (CCM), he is committed to the Code of Ethics and Standards of Professional Practice established by the Construction Management Association of America. CCM is the ANSI accredited professional designation for construction management and is the gold standard for CM service providers in over 145 countries.

Background Experience - Mr. Loy's experience spans virtually every type of building and design process. His strength centers on his understanding of the dynamics and interactions of the various trades and professions unique to every building project. He has experience with Construction Management at Risk, Construction Management Agency, Design-build, and Design-bid-build. Having successfully managed the completion of over one billion dollars of construction, Mr. Loy served as a Regional Engineer for the American Institute of Steel Construction and as Director of Construction and Development for Belz Enterprises, the largest development company in Tennessee, before founding Construction Strategies in 1988.

Litigation Support - Mr. Loy provides Construction Claim and Dispute Analysis services, with special expertise in Concrete Design and Design-Build. Having been a teacher of many of the principles and processes used in the industry he knows how to explain the difficult technical aspects of the information and analysis in a way which makes the facts understandable and believable to opposing counsel, insurance companies, judges, and juries. Mr. Loy has experience and provides assistance with various dispute resolution approaches, such as Owner / Contractor dispute resolution boards, arbitration, mediation, and provides expert witness testimony if necessary.

See services offered at https://www.construction-strategies.com/what-we-do 

View Sanford Loy's Consulting Profile.

David M. Bekus has over 35 years in the Construction Industry specializing in home design, construction, and remodeling. Mr. Bekus has been a project manager, overseeing all aspects of construction from conception and approvals to final sales for single homes and developments.

Mr. Bekus is licensed by the State of New Jersey as a building inspector (RCS, ICS, and HHS), a licensed home remodeler, and a licensed new home builder. He is also certified in Project Management, Cost Estimating, Construction Methods, Construction Site Safety, and is a EPA Lead Safe Certified Contractor.

Litigation Support - As a seasoned expert in the construction field, Mr. Bekus adheres to building code practices and high construction standards to provide reliable advice and credible expert witness testimony. His services include project evaluations, building code inspections, and clearly and precisely written reports. Mr. Bekus' expertise is available to counsel representing both Plaintiff and Defendant and has testified in NJ superior court Areas of Expertise:

Industry Standards Building Code Compliance, Specifications Contract and Plan Specifications New Construction Defects Roof Issues Water Issues

Framing Defects Siding Defects Concrete Defects Insurance Claims Poor Workmanship Home Owner Association Issues

View David Bekus' Consulting Profile.

Drebelbis Engineering is an Architectural and Engineering firm specializing in Forensic Engineering. Their combined background in architecture, engineering, and business make Drebelbis Engineering uniquely qualified to address the complexities found in forensic engineering assignments.

A Dallas-based company founded in 1996, their focus is structural, architectural and civil engineering as applied to buildings and site systems. They bring technical engineering knowledge, testimony, and remedy when construction fails to perform and when construction processes derail.

Principal, James R. Drebelbis, AIA, PE, is an Architect and Structural Engineer with over 40 years of experience in all phases of building construction and performance, project management, and producing documents for building construction (drawings, specifications, change orders).

Litigation Support - Mr. Drebelbis specializes in Forensic Engineering for attorneys and insurance companies. His understanding of building types and construction systems includes site construction and earth retaining structures as well as residential, commercial, manufacturing, and institutional buildings.

Mr. Drebelbis is retained for Cause and Origin of Structural Failures and disputes about construction performance that often emphasize the obvious (leaks, cracks, collapses). His expertise is available to attorneys representing both Plaintiff and Defendant. Services include engineering investigation, documentation, testimony, and preparation of Certificates of Merit.

Education/Licenses: - BS Arch. Engineering, MBA, Professional Engineer (Texas, Alabama, Kansas, Oklahoma, Louisiana, New Mexico), Architect (Texas)

Areas of Technical Experience and Expertise:

Construction Technology Building Codes Forensic Engineering Fire, Weather, Disaster Related Damage Roofing & Waterproofing Systems Water and Moisture Intrusion Stair Construction Performance of Building Materials Retaining Structures Application of Building Materials

Selection of Building Materials Structural Engineering Site and Building Drainage Foundation Design Soil Behavior Concrete Workmanship and Design Contract Documents Professional Ethics Slip, Trip, Fall Corrective Construction

Brandon W. Erickson, PE, SE, principal of Erickson Structural Consulting Engineers, PC, has over 22 years of experience in Structural Engineering. Mr. Erickson received his B.S. in Civil Engineering from Brigham Young University and his M.S. in Structural Engineering from Stanford University. Mr. Erickson is licensed in Washington, Oregon, Hawaii, California, Idaho, Utah, Alaska, Montana, Arizona and Nevada. Mr. Erickson's main office is located in the Portland, Oregon metro area. Mr. Erickson also maintains a satellite office in Kihei, Hawaii, from which he provides services throughout the state of Hawaii. Litigation Support - Mr. Erickson provides litigation support services relevant to the structural design, construction, performance, failure, and remediation of buildings and similar structures. He is familiar with a variety of structural construction materials, including steel, concrete, wood, and masonry. His practice includes building structures and their foundations, remediation repair designs, construction means and methods, and seismic evaluations and upgrades. Retained as an expert for both Plaintiff and Defense, Mr. Erickson's services include comprehensive expert investigations, research, and forensic testing and analysis. His findings are summarized in well-documented, clear, and defendable reports. Mr. Erickson assists with mediation or arbitration, and provides expert testimony at deposition, mediation, or in court. Forensic Investigation Services:

• Perform Proximate Cause Investigations
• Assess Construction Defects
• Assess Design Errors
• Assess Materials Defects
• Develop Testing and Monitoring Systems
• Review Design and Construction Documents
• Determine Extent of Damage
• Prepare Schematic Remediation Designs Suitable for Scoping and Pricing
• Prepare Final Remediation Designs Suitable for Permitting, Bidding, and Construction
• Provide Assistance During the Remediation Phase

View Brandon Erickson's Consulting Profile.

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

Andrew Allocco, PE, is a leading Construction Consultant, Florida Licensed Public Insurance Adjuster and Real Estate Broker. With over 45 years of experience in his fields of expertise, Mr. Allocco's services are sought by individuals, corporations, developers, and law firms to oversee and advise on construction projects. He is the current owner of construction, real estate, and engineering consulting firms.

Background Experience - Mr. Allocco is the President of Indian River Construction Services, Inc. Prior to his current role, he served as the President of Better Homes Construction Services, Inc. of Miami, Florida, which performed in excess of 40,000 Building Inspections. A Forensic Consulting Engineer, he inspects Commercial, Residential, and Industrial Facilities before, during, and after construction. He assists property owners with complex insurance claims, some of which involve significant and lengthy litigation

Mr. Allocco is not only licensed in the State of Florida as a Professional Engineer and Licensed Public Insurance Adjuster, he holds more licenses both presently active and past than any other individual in the State

Litigation Support - Since the early 1970s, Andrew Allocco has been an Expert Witness in many court and arbitration cases involving disputes between owners, builders, contractors, and architects. He has extensive knowledge of the court litigation process and has assisted law firms in providing facts and questions to be used during depositions and discovery motions. Mr. Allocco's services include inspection reports on the status of the property, depositions, trial testimony, arbitration, and mediation hearings.

Areas of Expertise:

Roof Analysis Balcony Inspections Structural Condition of Buildings / Drone Inspections Highrise Buildings Smart Buildings / Energy Use / Conservation Sick Buildings HVAC  Water Intrusion

Sewer Charges Swimming Pool Spa Fire Piping Motors Machinery Roads Fencing

Insurance Litigation and Structural Consulting - Mr. Allocco is also called upon by insurance companies and attorneys representing property owners to help adjusters evaluate loss. He has been retained to investige the cause of a structural failures, determination the extent of the structural damage, develop subrogation information, prepare the scope of repair, develop a repair design, draft specifications, and more. Mr. Allocco aslo has experience with code upgrades and notice of dangerous conditions, including hurricanes such as Hurricane Andrew.

View Andrew Allocco's Consulting Profile.

Carl H. Josephson, PE, SE, and Dan R. Werdowatz PE, SE, have over 39 years and 34 years of Structural Engineering experience respectively. They are active in numerous professional organizations and Mr. Josephson has served as the Structural Engineer member of the California Board for Professional Engineers, Land Surveyors, and Geologists. They have testified in cases throughout the Western United States including Texas and Hawaii. 

Mr. Josephson, Mr. Werdowatz and their team provide special studies, investigations, code review and analysis, and have conducted structural investigations on 1,000s of buildings throughout the United States for a diverse group of clients.

Litigation Support - JW&A have been retained as structural engineering experts by plaintiff, defense, and cross-defendant clients on over 1,500 cases, and have testified at deposition, trial and arbitration on over 400 matters across Southern California, Northern California, Arizona, Nevada, Colorado, Utah, Texas, Oregon, and Hawaii. Designated as experts for homeowner associations, developers, and subcontractor cross-defendants, they strive to provide balanced, well-reasoned and practical solutions to construction litigation problems. They have also been retained as court-appointed neutral experts on several cases.

SE Licenses: HI, IL
SE/PE Licenses: CA, AZ, ID, LA, NV, OR, UT, WA
PE Licenses: CO, CT, FL, IN, KS, MI, MO, NM, NY, ND, OH, TX, WV

Areas of Expertise:

Wood Structures Masonry Structures Steel Structures Concrete Structures Construction Defects Insurance Litigation Professional Liability Claims

Seismic / Wind Design Code Review Standard of Care Analysis Foundations Underpinning Retaining Walls Tie-backs

Josephson-Werdowatz & Associates, Inc. Office Locations:

San Diego Office 6370 Lusk Blvd., Suite F200 San Diego, CA 92121-2753 Telephone: 858-558-2181 Facsimile: 858-558-2188	Las Vegas Office 3753 Howard Hughes Parkway, Suite 200 Las Vegas, Nevada 89169-0952 Telephone: 702-733-6500 Facsimile: 702-733-6555
Scottsdale Office 14362 N. Frank Lloyd Wright Blvd., Ste 1000 Scottsdale, Arizona 85260-8847 Telephone: 480-945-5337 Facsimile: 480-945-5499	Sacramento Office 770 L Street, Suite 950 Sacramento, California 95814-3361 Telephone: 916-242-833 Facsimile: 916-242-8332

View Josephson Werdowatz & Associates' Consulting Profile.

Stephen George has over 40 years of Landscape Design and Construction Defect experience. Mr. George has owned and operated Landscapes West since 1980, and is still providing design / build and maintenance services to his clients. His projects have included commercial, apartments, condominiums, and residential landscapes. Mr. George is a member of the California Landscape Contractors Association (CLCA), the Forensic Expert Witness Association (FEWA), the Irrigation Association (IA), the International Society of Arboriculture (ISA), the National Concrete Masonry Association (NCMA), the Interlocking Concrete Paver Institute (ICPI), and the Better Business Bureau (BBB) with an A+ rating. Litigation Support - Stephen George is an Industry Expert for C-27 Landscape Construction. He provides litigation and consulting services to attorneys representing both Plaintiff and Defendant. His expertise has been called upon throughout the state of California. Mr. George's services include inspection and cost of repair and replacement, review of project drawings, photography / forensic imaging and construction documentation, aboriculture analysis, and landscape construction defects and failures. Areas of Expertise:

Landscape & Arboriculture Industry Standards Construction Defect and Failures Personal Injury Drainage and Irrigation Damage Fire Loss Evaluation

Maintenance Practices Residential Fire / Wildfire Paving Hardscape Fireplaces, Fire Pits, BBQ's Hardscape - Walls

View Stephen George's Consulting Profile.

Rudolph P. Frizzi, PE, GE, D.GE is a Civil Engineer with over 25 years of extensive practical Foundation and Geotechnical Engineering experience. Mr. Frizzi has extensive project management experience throughout the United States and internationally, with particular emphasis on:

• Foundation Design and Construction in Urban Areas
• Large Scale Land and Waterfront Public and Private Development Projects

Mr. Frizzi has obtained extensive field, office supervision, and project management experience including soil and rock sampling and in-situ testing; monitoring pre , during, and post-construction with state-of-the-art geotechnical instrumentation; nondestructive testing; aqueous and sub-aqueous inspections and investigations; and heavy construction which has contributed to his practical approach to geotechnical problem solving. In addition to his "engineer of record" experience, Mr. Frizzi has provided expert geotechnical consultation and trial testimony on over 50 excavation and foundation litigation cases throughout the United States and internationally. His services are available to attorneys for Plaintiff and Defense.

Areas of Forensic Expertise:

• Foundations for Stadiums, Arenas, High-Rise Structures in Urban Areas
• Embankment and Dam Stability
• Large-scale Land and Waterfront / Marine Structures and Development
• Shallow and Deep Foundation Systems
• Soft and Hard Rock Treatment
• Earthwork
• Ground Improvement of Waste Fills
• Temporary and Permanent Lateral Support Systems for Deep Excavations
• Geotechnical Instrumentation and Vibration Monitoring
• Construction Dewatering

View Rudolph Frizzi's Consulting Profile.

Daniel D. Bawden, GMB, CAPS, CGR, CGP, JD, has over 35 years of experience in the Construction Industry. He is a Graduate Master Builder, Certified Graduate Remodeler, Certified Aging in Place Specialist, and a Certified Green Building Professional.

Mr. Bawden serves as an accredited Instructor for the National Association of Home Builders, certifying other builders in his own specialties. He earned both his Bachelor’s degree and Law degree from Baylor University. He is currently serving as Vice Chair of the NAHB Remodelers Council, on track to be the national spokesman for the remodeling industry in 2017.

Litigation Support - Mr. Bawden has an outstanding reputation for winning cases. His combination of legal and hands-on construction experience, along with his numerous certifications, make him a highly credible witness in all facets of residential construction.

Mr. Bawden helped write the "Residential Construction Performance Guidelines," which is the primary criteria for construction standards. With trial experience on behalf of both homeowners and builders, Mr. Bawden is a likeable persona, an excellent and clear communicator, effective before arbitrators, judges, and juries alike.

Areas of Expertise:

Construction Cost Estimates / Analysis Construction Defects Project Management Disputes

Construction for the Disabled (ADA) Construction Delays Code Compliance / Violation

View Dan Bawden's Consulting Profile.

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 E. Rieser, II, MS, PE, AIA, GBC, GEC has over 30 years of experience in the Engineering, Architectural, Construction, and Building Design industry. He provides his clients with a comprehensive knowledge of Engineering, Construction Technology and Construction Standards of Professional Practice.

Background Experience - President of an “active” Design and Building company with a professional staff and Headquarter offices in San Jose and Los Angeles, and offices in Sacramento and San Francisco. Mr. Rieser has managed, designed, and constructed over 4,000 units to include high-rise, single family homes, condominiums, townhomes, podiums, apartments, and commercial buildings, His experience includes building and roadway design, construction, management, with designs of over 500 miles of asphalt and roadway improvements, tunnels, San Francisco Airport, Santa Clara Light Rail, Southern Pacific Railroad, Caltrans, and BART.

Mr. Rieser has an insightful understanding of Civil / Structural Engineering, Soil Engineering, Transportation, Traffic Engineering, Hydraulic Engineering, Safety Expert, OSHA Standards, Architectural Design, Asphalt Design, Cost Estimation, Public Works Design Bidding and Estimation, General Engineering, General Building, and an Accident Reconstruction expert.

“Our bids are not just a tool but are numbers that we be use to finish the work, accurately, on-time, and safely.”

Forensic Construction and Engineering - Mark Rieser is a renowned forensic expert with the knowledge to safeguard clients from unwanted litigation as well as support both plaintiffs and defendants. He works closely with insurance companies and attorneys on various public, city, and state cases throughout the western United States. To date, he has been designated as an expert in over 550 Forensic Construction and Engineering cases throughout the United States.

Mr. Rieser has been designated and testified Court as an expert in the following categorizes:

Traffic Engineer Transportation Engineer Architect Safety Expert General Building Contractor Civil Engineer General Engineering Contractor Roofing

Estimator Soils Caltrans Standards Structural analysis Hydraulics OSHA Standards Construction Management Waterproofing

NorCal Headquarters San Jose Office 2033 Gateway Pl Suite 500 San Jose, CA 95110	San Francisco Office 425 Market St Suite 2200 San Francisco, CA 94105	SoCal Headquarters Los Angeles Office 10100 Santa Monica Blvd. Suite 300 Los Angeles, CA 90067	Sacramento Office 777 Campus Commons Rd Suite 200 Sacramento, CA 95825

View Mark Rieser's Consulting Profile.