Excavation, Trenching, Construction Site Work Expert Witnesses: 19

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.

" WHO IS AN EXPERT?
ONE WHO HAS ACQUIRED COMPREHENSIVE SPECIFIC EDUCATION,
ADVANCED AND CONTINUING TRAINING, AND EXTENSIVE SPECIFIC
EXPERIENCE TO GAIN THE KNOWLEDGE AND AUTHORITATIVE ABILITIES
REPRESENTING THE MASTERY OF THE SPECIFIC FIELD AND OF THE SUBJECT."

Nation Wide and International Expertise.

Timothy G. Galarnyk: Educated in Construction and Safety.  Continued Training in Construction and Safety. More than 45 Years of HANDS-ON Field Experience. Actively involved in construction since 1976. Equipment operator, member of International Union of Operating Engineers since 2004, Certified by ATSSA in Construction Work Zone Traffic Control - MUTCD since 1988. More than 1,000 Incidents Independently Investigated. 

Traffic Crashes in Construction Work Zones - Related to MUTCD Compliance. CERTIFIED by ATSSA in Work Zone Traffic Control since 1988. 

Construction Risk Management, Inc., is a corporation with experts in construction safety, structure collapses, construction means and methods, and construction work zone traffic control.  Investigation focuses on:

Bridges, Buildings, Residential, Industrial, Commercial, High-Rises, Marine, Highways, Underground, Water, General and Subcontractor Issues

Litigation Support - We conduct Forensic Investigations of Construction Accidents / Injuries / Deaths to establish the Cause. What happened? How did it happen? Where and When did it happen? Why did it happen? Who is Responsible? Depositions and Trial Experienced. State and Federal Courts. Defense and Plaintiff - Makes no difference as the case facts and evidence rules. 

Areas of Expertise (include but not limited to):

Scaffolding Cranes Rigging Earth Moving Equipment Aerial Lifts Forklifts Trenching / Excavating Falls Steel Erection Electrical Injuries / Electrocution

Confined Spaces Concrete Work OSHA Issues Bridge / Building Structural Collapse Trucking of Construction Material Steel Materials Reinforcing Bars Concrete Pilings Loading / Unloading Injuries

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.

Dr. Christopher D. Dore, Registered Professional Archaeologist 10331, provides expert witness services in the fields of archaeology and cultural resource/heritage management. His expert services focus on archaeological site damage, environmental/cultural resource compliance, professional performance and conduct, and contaminated site history (determining the origin and time of contamination through archaeological methods). He has trial, deposition, litigation, and consultation experience on major, controversial, and high-profile cases throughout the United States.

With an MBA in addition to his doctoral degree in anthropology, Dr. Dore is particularly sought after for cases involving the valuation of damage to cultural resources.

Dr. Dore has participated in criminal and civil cases for both the prosecution and defense, and for private and governmental clients. Dr. Dore has provided training in damage documentation and valuation to professional archaeologists, lectured at the University of Arizona’s College of Law, provided continuing education for the Rocky Mountain Mineral Law Foundation, and is a co-author of the Society of American Archaeology’s Professional Standards for the Determination of Archaeological Value. He is a professional member of the Forensic Expert Witness Association and a Certified Forensic Litigation Consultant.

Dr. Dore is accomplished, credible, and well recognized in the archaeological community. He has held faculty positions at five major research universities and received research grants from sources including the National Science Foundation. Dr. Dore is the President-Elect of the Society for American Archaeology (SAA). He has also served as the President of the Register of Professional Archaeologists, archaeology's standards and credentialing organization, and the American Cultural Resources Association. He has been the editor of Advances in Archaeological Practice: A Journal of the Society for American Archaeology. Dr. Dore has received a Presidential Recognition Award from the SAA and the Asa T. Hill Memorial Award for outstanding contributions to Plains archaeology from the Nebraska State Historical Society. Dr. Dore specializes in the archaeology of the southwest United States, California, and Mexico.

Steven M. Murow has over 45 years of experience in the Land Development and Construction industry with expertise in Earthmoving, Site Development, Street Improvements, and Underground Utilities. 

During that time, Mr. Murow has served as a principal in two leading contracting firms; consultant to major land developers; specifier and bid administrator; senior project manager, and as an expert witness. 

Litigation Support - Over the past 20 years, Mr. Murow has supported developers, municipalities, builders, and contractors through their legal teams. He has a perspective on general engineering contracting unmatched by opposing experts in the field having been involved in the bidding of over 2,000 projects since 1978 and managing over 300 of those projects in the mass grading and site development arena as a principal owner of the firm. Mr. Murow has been deposed 70 times and testified in trial / arbitration 34 times. His expertise has been called upon in Dallas, Texas, Conway, Ark. and throughout California.

Areas of Expertise:

Public Engineering and Building Contracting Private Engineering and Building Contracting Earthmoving Site Development Street Improvements Underground Utilities  Land Development Pro Formas

Bidding Cost Estimating Change Orders and Billing Contractors, Inspector, Manager Standard of Care  Claims Mitigation Scheduling Cost for Abandonment / Termination Dates

"DIRT, not civil engineering or geotechnical, but as a general engineering contractor performing the work and as a Construction Manager managing the work on projects up to 1,200 Acres and $50,000,000 in value. I can tell you how it was bid, should have been bid, where it went wrong, and cost to repair." - Steven M. Murow

Brian H. Aanestad has over 30 years of Construction and Fleet experience, including Heavy Equipment, Truck, and Trailer Transport. He currently serves as President and Construction Consultant at Inland Valley Engineering, Inc. and as an Expert Witness for Discover Experts.

Mr. Aanestad is a Consultant and Expert witness for matters including Underground Construction and Placement of Underground Utilities. He has decades of experience overseeing the placement of underground utilities, pipelines, and conduit. In addition, he has almost 20 years of experience in the Full-Service Truck Leasing industry, overseeing transportation, logistics, leasing, rental, and maintenance activities. His company was honored for its work on the Scripps Seawater Return Lines at the University of California, San Diego. The complex, $2.5 million project included nearly 4,500 feet of piping.

Litigation Support - Mr. Aanestad provides expert services to attorneys representing plaintiff and defendant which include on-site review, written reports, depositions, mediation, and trial testimony as needed. Most cases end in mediation or negotiated settlement.

Clients have included such firms as Heffernan & Boortz LLP, Wood Smith Henning & Berman LLP, Rutan & Tucker LLP, and Dowling/ Aaron, Chancio Brown LLC., Southern California Edison, Vast Networks (CVIN), City of Kansas City Missouri, and the City of Oceanside.  

Areas of Expertise:

Underground Trenchless Public Utilities Fiber Optics Installation   Engineering Contractor Negligence Feasibility Studies Underground Utility Easements Construction Standard of Care Construction Defects, Delays, Change Orders Construction Dispute Resolution Construction Damages / Cost Analysis Construction Equipment / Pipelines Heavy Trucks and Trailers

Forklifts Cranes Skip Loaders Backhoes Excavators Drilling & Boring Machines Horizontal Directional Drills Hydraulic Moles Truck Leasing, Rental, Maintenance Transportation Logistics DOT / BIT Review

David M. Bekus has over 40 years in the Construction Industry specializing in new home 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 provides comprehensive reports  and credible expert witness testimony. His services include project evaluations, building code inspections, and clear 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.

David Morris has over 30 years of deep understanding and hands on experience of Construction and Construction Processes that give him a unique perspective in the industry. Having worked in many roles, Mr. Morris has the ability to formulate conclusions based on practical experience. Staying abreast of new technologies, he is able to apply them to outdated construction processes.

Mr. Morris has welding certifications in nearly all processes (MIG, TIG, Stick) and most materials, (Carbon Steel, Various grades of Stainless Steel, Aluminum, Chrome,). He has extensive experience in Instrumentation, Controls, Building automation Systems, HVAC, Refrigeration, Plumbing Codes and Design, Drafting and Detailing, layout and quantity take-off, medical gas installation, Plumbing and Piping Detailing, Computer Aided Drafting, and BIM

Litigation Support - Mr. Morris serves as an expert witness for attorneys representing both plaintiff and defendant. His services include onsite inspection, thorough reporting, depositions and trial testimony as needed. Cases include:

Construction Scheduling Root Cause Analysis Construction Defects and Delays Planning, Designing, Managing Construction

Mechanical, Electrical, Plumbing Coordination (MEP) Building Information Modelling (BIM) Computer Aided Drafting Initial Design, Construction, Operations, Maintenance

Select Background Experience:

• Prior to founding DMorris.consulting, Mr. Morris served as Director of Virtual Construction for EMCOR Construction Services from 2008-2016. In this role, he directed the virtual construction activities and operations of 82 EMCOR companies. His scope of work included drafting contract language for BIM and pre-construction, setting up new projects in lean and BIM delivery methods, and reviewing new construction technologies among other duties, Managing 3D and BIM processes
• From 2001-2008, Mr. Morris worked with University Mechanical and Engineering Contractors as Director of Virtual Construction. He was responsible for estimating Plumbing, HVAC Piping and Process Piping for numerous research laboratories and healthcare facilities valued at over 100mm + each. He also delivered conceptual estimates for numerous Biotech, Power, and Co-Generation plants.
• Select Project Participation: San Joaquin County Hospital, City of Gilroy Waste Water Reclamation Plant, Shafter Prison, Vandenberg Air Force Base HVAC Replacement, Space Shuttle Launch Complex Project, Tehachapi State Prison Level-4 High Security Prison Housing, Cal Poly San Luis Obispo Co-Gen Facility, Kern Medical Center New Hospital Wing Expansion, Anheuser Busch Yeast Plant Expansion, and multiple Piping, Petrochemical, Hospital, and School projects.

*This Mechanical, Electrical, Plumbing, and Fire Protection Systems (MEP) Spatial Coordination Requirements for Construction Installation Models and Deliverables is a derivative work of a best practice guideline written by David Morris in 2003 and modified for the AGC BIMForum in 2009. It is the result of capturing ten years of practical methods on real world construction projects and reflects continual feedback and improvement gained from that process.

View Dmorris.consulting's Business Consulting Profile.

Vincent A. Ettari, P.E., P.C. specializes in many fields of Civil, Structural, Site, Coastal, Safety & Environmental Engineering, including the Design & Analysis of:

• Structures, Buildings, Houses, Dwellings
• Foundations, Footings, Elevators, Retaining Walls, Dams
• Development Plan & Plats for Sites, Properties, and Residences
• Underground & Subsurface Chamber / Chambers
• Scaffold, Scaffolds, Scaffolding
• Site Plans & Subdivisions: Industrial, Commercial, Residential
• Roads, Roadways, Ramps, Walks, & Man Hole Cover / Covers
• Sidewalks, Walkways, Paths & Pathways
• Lighting: Lamps, Lights, Lamp Poles, Light Levels
• Luminaries & Illumination (Specifications)
• Rock Cuts & Blasting (Topography, Specification)
• Soil Slopes / Samples / Mechanics / Geotechnical Engineers
• Sanitary Facilities, Septic Systems (Board of Health Septics Approval)
• BOHA / DEP Approvals
• Water, Drains, Drainage, Sewer & Sewage Lines & Mains
• Culvert / Culverts, Manholes (Man Holes) & Catchbasins / Catch Basins
• Inspection, Supervision, and Certification of Construction
• House Inspector & Inspections
• Road, Roadway, Walk & Sidewalk Premises Liability (e.g., Steep Slope)
• Walkway, Path, Ramp & Pathway Premise Liability (e.g., Steep Grade)
• Coefficient of Friction / Slip & Fall (Snowy & Icy Conditions)
• Vertical Discontinuity / Discontinuities / Trip & Falls
• Small Ports / Port, Marinas / Marina, Marine Dredging
• Levees, Jetties, Dolphins, Piers, Sea & Flood Walls
• Wharves, Breakwaters, Bulkheads, Weirs, & Revetments
• Groins, Dikes and Waterfront Structures
• Drainage Basin Analysis, Rainfall, Floods & Flood Plain / Plains
• Flooding Controls & Control Devices
• Storm Water Runoff (10, 25, 50 & 100 Year Storms)
• Pressure & Pressures: Wind, Wave / Waves, Ice, Snow
• Rain Fall Run Off & Storm Water Pollution Treatment
• Excavation, Grading, Fills & Filling Operations (Swales, Berms, Silt Fence)
• Erosion Control, Sediment Barriers, Sedimentation / Catch Basins (Hay Bales)
• Pumps and Pump System Line & Main
• Slope, Dam, Levee, Jetty, Dolphin, Pier, Wharf & Breakwater Collapse
• Bulkhead, Weir, Revetment, Groin, Dike, Footing & Foundation Failures
• Failure of Fire Containment Wall, Elevator or Water Front Structure
• Tenement House Façade Collapses
• Code History of Existing Multiple / Multi-Family Dwelling / Building
• Application of Municipal Building, Fire & Property Maintenance Codes
• City, Town & Village Zoning, Planning, Steep Slopes & Grades, Wetland & Wetlands Ordinances
• Testimony at Board Meetings as a Design Forensics Engineer

Prof. Makarand (Mark) Hastak, PhD, PE, CCP, CRIS, is the Professor and the Dernlan Family Head of Construction Engineering and Management as well as Professor of Civil Engineering at Purdue University. Dr. Hastak has been involved with the construction industry for the past 35 years providing his expertise through consulting, research, teaching, and service to the industry. 

Dr. Hastak is a world renowned expert in the area of construction engineering and management including risk management, profitability of Construction companies, process improvement, disaster risk reduction, resilience and capacity building, infrastructure management, intelligent planning for the built environment, project control, project management decision-making, and strategic planning. As a Fellow of the American Council on Education (cohort of 2013-14) at Cornell University his work focused on the various facets of Hybrid RCM budget, engaged institution, and Public-Private Partnership in academia.

Dr. Hastak is a Professional Engineer (PE), a Construction Risk Insurance Specialist (CRIS), and a Certified Cost Professional (CCP). He  has worked on numerous projects sponsored by the Construction Industry Institute (CII), NSF, State DOTs, and City Agencies. He is the current President of CIB (International Council for Research and Innovation in Building and Construction) and the Chair of the Advisory Board of teh Global Leadership Forum for Construction Engineering and Management programs (GLF-CEM). He also serves as an Academic Advisor to the Downstream and Chemicals Committee of the Construction Industry Institute (CII).

Dr. Hastak  has authored over 200 publications in his areas of expertise. He has co-authored a widely used book on Infrastructure Planning, Engineering, and Economics (McGraw-Hill 2006 and 2015). Dr. Hastak served on the Education Board of the Association for Advancement of Cost Engineering (2004-2016). He was Editor for two AACE books, the Skills and Knowledge of Cost Engineering (6th Ed. 2015) and the CCP Certification Study Guide (2nd Ed. 2016). He was also the Editor-in-Chief of the ASCE Journal of Management in Engineering (2009-2016). 

Dr. Hastak has given over 50 keynotes and invited lectures around the world. As a prominent educator and consultant, he also engages in developing training material and workshops as well as regularly teaching professional courses for the A/E/C industry. His services include consultation, on-site investigation, data collection, assessment, and reporting. He has completed the 30-Hour OSHA Hazard Recognition Training for the Construction Industry 

Dr. Hastak Lectures at the 2015 International Conference on Building Resilience

Litigation Support - Dr. Hastak offers expert witness services to attorneys representing both plaintiff and defendant. He has served as an Expert Witness on twenty-six (26) cases since 2017 and was deposed on eight plus two evidence depositions. His services include case reviews, written reports, depositions, and trial testimony as needed. 

Areas of Expertise:

Construction Engineering Construction Management Cost Overruns Schedule Delays Construction Safety/OSHA Modular Construction Patent Infringement

Factory Built Construction Infrastructure Planning Data Center Construction Project Risk Management Disaster Recovery / Disaster Mitigation Trade Secrets Misappropriation Contracts & Warranties

View Dr. Hastak's Consulting Profile.

Andrew Allocco, PE, is a leading Construction Consultant, Florida Certified Contractor, 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. As 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 Florida certified contractor 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 investigate the cause of structural failures, determine the extent of the structural damage, develop subrogation information, prepare the scope of repair, develop a repair design, draft specifications, and more. Mr. Allocco also 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 are licensed in 30 states and have over 44 years and 39 years of Structural Engineering experience respectively. They are active and have served in leadership roles in numerous local, state, and national professional structural engineering societies.  They have testified in deposition, trial, and arbitration in over 500 matters throughout the United States and abroad. 

Messrs. Josephson and Werdowatz and their team provide structural assessment and evaluation on a wide variety of matters including construction defects, insurance claims, professional liability claims, standard of care analyses, among others.  Work involves a wide variety of materials and may include vertical, seismic, and wind design and analysis; code review; and construction evaluation.  JW&A is highly experienced in foundations, underpinning, tie-backs, retaining walls, and various geotechnical structures.  JW&A has extensive graphics and animation capabilities in order to make difficult engineering concepts understandable to lay people.  

Litigation Support - JW&A has been retained as structural engineering experts by plaintiff, defense, and cross-defendant clients on over 1,500 matters across the United States and abroad. 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: CA, AZ, HI, NV, UT, WA, IL, MA, LA, OR
PE Licenses: CO, CT, FL, ID, IN, KS, KY, MD, MI, MO, MS, NM, NY, NJ, ND, OH, SC, TX, WV, WI

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 10815 Rancho Bernardo Rd, Suite 310 San Diego, CA 92127-2189 Telephone: 858-558-2181 Facsimile: 858-558-2188

Scottsdale Office  14362 N. Frank Lloyd Wright Blvd., Suite 1000 Scottsdale, Arizona 85260-8847 Telephone: 480-945-5337

View Josephson Werdowatz & Associates' 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.

As an arbitrator, structural/civil engineer, and expert forensic consultant with nearly four decades of experience, Casey Hemmatyar has provided extensive expert services for defendants’ and plaintiffs’ attorneys on numerous construction litigation matters throughout the United States and Canada.

He has been retained as an expert engineer in over one hundred litigation matters on single and class-action legal cases by the U.S. government, law firms, and insurance carriers at the State and Federal levels, working with both plaintiff and defendant sides.

A partial list of litigation cases is available upon request. His understanding of core engineering and legal concepts has enabled him to assist a wide range of clientele effectively. He brings diversified experience in structural and civil engineering design and forensic engineering, investigation, and evaluation.

He also conducts research, has assisted in the development of building codes and standards, and has supervised the construction of domestic and international projects. His experience includes special structures and new buildings as well as modifications, alterations, seismic/hurricane retrofits, and upgrades to existing structures. He has provided failure analysis, expert consultation, structural forensic investigation, and damage assessment services for numerous litigation and insurance-related matters.

He actively presents continuing education lectures to audiences of licensed engineers, architects, and general contractors on topics of structural and forensic engineering throughout North America. Mr. Hemmatyar has been the principal structural engineer on high-profile projects for prestigious clients, including NASA and other notable organizations.  Currently, he directs PSFEG and has served as Director for SEAOSC from 2011 to 2013.

His work encompasses a diverse range of structures, including hospitals,  educational institutions (including schools and universities), telecommunication centers, aviation facilities, government buildings, laboratories, as well as commercial, industrial, and residential structures.

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 categories:

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.