Retaining Walls Expert Witnesses
Retaining walls expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on retaining walls. The retaining walls expert witness listings on this page are typically from fields/areas of expertise such as: Building Inspection, Civil Engineering, Construction Defects, Engineering, Geotechnical Engineering, and Structural Engineering.
Carl H. Josephson, PE, SE
Josephson-Werdowatz & Associates, Inc.
Arizona
Structural Engineering, Engineering
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Wood, masonry, steel, concrete structures. Construction defect, insurance litigation, professional liability claims. Seismic/wind design, code review, standard of care analysis. Also foundations, underpinning, retaining walls, and tie-backs. Extensive graphics and animations capabilities
Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in thirty states, has provided structural design and construction defect investigations/evaluations across the United States and abroad. Structural evaluations included wood, masonry, steel, and concrete structures, with particular emphasis on seismic and wind design. JWA has experience working with specialty materials such as acrylic, aluminum, and glass as well. Evaluations also include code review and analysis, and standard of care analysis. JWA has extensive experience with geotechnical structures such as special foundations, underpinning, retaining walls, tie-backs, and soil nails, among others. JWA strives for a reasoned, accurate, and practical solution to structural engineering problems and deficiencies.
Principal Structural Engineers Carl H. Josephson, PE, SE; Dan R. Werdowatz PE, SE; and Stephen P. Kerr, PE, SE have been retained as expert witnesses in over 1,500 cases for plaintiff and defense cli...
Yasser M. Abdelhamid, PhD
Construction Defect/Geotechnical Expert Witness
Bryant Consultants
California
Geotechnical Engineering, Construction Defects
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Civil Engineering, Expansive Soil, Foundation Analysis and Design, Settlement, Heave, Pavement, Retaining Walls, Slope Stability, Numerical Modeling, Seepage, Drainage, Erosion, Hydrology, Seismic, Earthquake Engineering, Laboratory Testing, Structural Engineering, Construction Defects
Dr. Abdelhamid has been designated as an expert witness for many litigated cases. Dr. Abdelhamid is heavily involved in performing forensic geotechnical and geophysical investigations for several problematic foundations, pavements, retaining walls and slopes. He devises protocols for geotechnical and geophysical testing, in-situ long-term monitoring, lab testing and analysis. He is also heavily involved in preparing and reviewing proposals and expert reports for geotechnical exploration and litigated and non-litigated forensic projects. Dr. Abdelhamid is responsible for meeting clients during the proposal phase, the investigation phase and after releasing the final report to ensure client satisfaction. Dr. Abdelhamid has performed work at wide variety of forensic projects. He evaluated numerous residential buildings from single family house to a whole subdivision. Dr. Abdelhamid also evaluated many commercial, school, hospital, garage buildings. He performed stability analysis for v...
Carl H. Josephson, PE, SE
Josephson-Werdowatz & Associates, Inc.
San Diego, California
Structural Engineering, Engineering
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Wood, masonry, steel, concrete structures. Construction defect, insurance litigation, professional liability claims. Seismic/wind design, code review, standard of care analysis. Also foundations, underpinning, retaining walls, and tie-backs. Extensive graphics and animations capabilities
Josephson-Werdowatz & Associates (JWA), founded in 1988 and with licenses in thirty states, has provided structural design and construction defect investigations/evaluations across the United States and abroad. Structural evaluations included wood, masonry, steel, and concrete structures, with particular emphasis on seismic and wind design. JWA has experience working with specialty materials such as acrylic, aluminum, and glass as well. Evaluations also include code review and analysis, and standard of care analysis. JWA has extensive experience with geotechnical structures such as special foundations, underpinning, retaining walls, tie-backs, and soil nails, among others. JWA strives for a reasoned, accurate, and practical solution to structural engineering problems and deficiencies.
Principal Structural Engineers Carl H. Josephson, PE, SE; Dan R. Werdowatz PE, SE; and Stephen P. Kerr, PE, SE have been retained as expert witnesses in over 1,500 cases for plaintiff and defense cli...
Amr Helal, Ph.D., P.E., PMP, M.ASCE
Geotechnical & Construction Defect Expert
Bryant Consultants Operating LLC
Centennial, Colorado
Geotechnical Engineering, Civil Engineering
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Forensic, geotechnical, numerical modeling, construction defect investigation, soil-structural interaction, Slope failure, foundation movement, water intrusion, Settlement, Heave, Pavement, Retaining Walls
Dr. Helal is the Manager of Forensic Engineering for Bryant Consultants Colorado office. He has more than fifteen years of experience in civil and geotechnical engineering between academic and industrial exposure. Dr. Helal expertise includes geotechnical engineering, design and forensics, Finite Element Analysis (FEA) and Numerical Modeling, construction defect investigation, failure investigation and expert testimony.
Tara L Pase
Bramel Engineering, LLC
Tracys Landing, Maryland
Structural Engineering, Civil Engineering
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Construction Defect, Concrete, Seismic, Retaining Walls, OSHA, Building Codes, Steel, Earthquake, Stormwater Management, Civil Engineering, Failure Analysis, Wood, Wind, Construction, Structural Engineering, Strength of Materials, Masonry, Foundations, Construction Accident, Design and Analysis
Civil/Structural Engineering
Construction Defects
Building Codes
OSHA
Failure Analysis
Strength of Materials
Concrete/Steel/Wood/Masonry Design
Concrete/Steel/Wood/Masonry Analysis
Seismic Design and Analysis
Wind Design and Analysis
Foundations and Retaining Structures
Grading and Soil Properties
Field Repair Designs
Stormwater Management
Component/Connection Design and Analysis
Construction Cost Estimates
Building Envelope (Moisture Barriers)
Construction Management
Registered Professional Engineer, State of New York, License No.087752
Registered Professional Engineer, State of Maryland, License No.42640
Registered Professional Engineer, Commonwealth of Virginia, License No.051210
Registered Professional Engineer, State of New Jersey, License No.24GE05239300
Frank Comer, PE
PST ENGINEERING
Kansas City, Missouri
Engineering, Construction Defects
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Building Inspection, Civil Engineering, Construction Defects, Failure Analysis, Structural Engineering, Roof Analysis, Water Leaks, Geotech Engineering, Forensic Engineering, Stucco - EIFS, Grade Drainage, Foundation Settlement, Retaining Walls, Cause & Origin, Building Codes, Standard of Care
Frank Comer is an experienced engineer specializing in the civil, structural, geotechnical and environmental fields. Licensed in the state of Missouri, he holds a reciprocity license in Kansas, is registered w NCEES to access other state licenses. Founder and sole owner of Property Services Team, LLC, dba PST Engineering, Frank has been inspecting, designing and consulting under PST since 1999. He has been in the insurance adjusting and engineering field for over 35 years.
PST provides design for new homes and buildings (complete construction and additions), design consulting to other professionals (engineers and architects), due-diligence and construction, QA/QC inspections, as well as forensic and cause and origin investigations for many different building- and property-related products and their design and installation. PST’s team also performs reviews for agricultural, warehouse, manufacturing, other commercial structures & facilities, historical buildings and residential struc...
Zohaib A Alvi, PE
za/engineering
Bohemia, New York
Structural Engineering, Building Inspection
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Forensic Engineering, Structural Failure, Construction Issues, Special Inspections, Building Evaluation, Building Defects, Trips and Falls, Building Preservation, Building Repair, Retaining Walls, Foundations, Building Codes
Zohaib A. Alvi, PE is a Civil, Structural, and Forensic Engineering Consultant, and Principal of za/engineering. He is a graduate of State University of New York, Farmingdale State College, and holds a dual Bachelors of Science degree in Architectural Technology and Construction Management, along with an Engineering Leadership Certificate from Cornell University, and earned his Master of Engineering from SUNY Buffalo.
He is a Licensed Professional Engineer (P.E.) and maintain licensure in New York and multiple other states. He has extensive experience in the evaluation, repair, and rehabilitation of existing structures and historic buildings, verifying construction compliance with applicable building codes and contract specifications, evaluating impact of construction errors, change orders, and damages during construction. He is also highly experienced in forensic investigations evaluations, to determine the cause and origin of structural deficiencies, damage following accidents, w...
Michael Sheleheda, P.E.
Civil & Environmental Consultants, Inc.
Monroeville, Pennsylvania
Civil Engineering, Geotechnical Engineering
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Stormwater, Erosion and Sediment Control, Hydrology, Landslides and Slope Stability, Foundations, Settlement, Retaining Walls, Geohazards, Pavement Evaluation and Remediation, Earthwork, Construction and Materials Testing, Americans with Disabilities Act (ADA) Accessibility
Mr. Sheleheda specializes in geotechnical and civil engineering. His experience includes providing geotechnical engineering design/expertise for all aspects of land development and construction. Projects have included establishing procedures for subsurface explorations, boring layout, soil sampling, and laboratory testing programs. Michael has authored geotechnical reports regarding deep, shallow, and specialty foundation construction for projects in the real estate, natural gas, manufacturing, mining and public client sectors. Also, he has investigated and provided remedial recommendations for landslides, carbonaceous (expansive) shale, retaining walls, karst, geohazards, and mine grouting/subsidence. His responsibilities have included preparing bid packages, authoring specifications, and construction level drawings, as well as preparing expert reports for the legal and insurance industries.
In addition, Michael has experience in the preparation of erosion and sediment control pla...
Yasser M. Abdelhamid, PhD
Construction Defect/Geotechnical Expert Witness
Bryant Consultants
Carrollton, Texas
Geotechnical Engineering, Construction Defects
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Civil Engineering, Expansive Soil, Foundation Analysis and Design, Settlement, Heave, Pavement, Retaining Walls, Slope Stability, Numerical Modeling, Seepage, Drainage, Erosion, Hydrology, Seismic, Earthquake Engineering, Laboratory Testing, Structural Engineering, Construction Defects
Dr. Abdelhamid has been designated as an expert witness for many litigated cases. Dr. Abdelhamid is heavily involved in performing forensic geotechnical and geophysical investigations for several problematic foundations, pavements, retaining walls and slopes. He devises protocols for geotechnical and geophysical testing, in-situ long-term monitoring, lab testing and analysis. He is also heavily involved in preparing and reviewing proposals and expert reports for geotechnical exploration and litigated and non-litigated forensic projects. Dr. Abdelhamid is responsible for meeting clients during the proposal phase, the investigation phase and after releasing the final report to ensure client satisfaction. Dr. Abdelhamid has performed work at wide variety of forensic projects. He evaluated numerous residential buildings from single family house to a whole subdivision. Dr. Abdelhamid also evaluated many commercial, school, hospital, garage buildings. He performed stability analysis for v...
Tara L Pase
Bramel Engineering, LLC
Virginia
Structural Engineering, Civil Engineering
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Construction Defect, Concrete, Seismic, Retaining Walls, OSHA, Building Codes, Steel, Earthquake, Stormwater Management, Civil Engineering, Failure Analysis, Wood, Wind, Construction, Structural Engineering, Strength of Materials, Masonry, Foundations, Construction Accident, Design and Analysis
Civil/Structural Engineering
Construction Defects
Building Codes
OSHA
Failure Analysis
Strength of Materials
Concrete/Steel/Wood/Masonry Design
Concrete/Steel/Wood/Masonry Analysis
Seismic Design and Analysis
Wind Design and Analysis
Foundations and Retaining Structures
Grading and Soil Properties
Field Repair Designs
Stormwater Management
Component/Connection Design and Analysis
Construction Cost Estimates
Building Envelope (Moisture Barriers)
Construction Management
Registered Professional Engineer, State of New York, License No.087752
Registered Professional Engineer, State of Maryland, License No.42640
Registered Professional Engineer, Commonwealth of Virginia, License No.051210
Registered Professional Engineer, State of New Jersey, License No.24GE05239300