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Glass / Windows / Windowall Construction Expert Witnesses

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Allied Glass Experts, LLC
Henry (Hank) H. Chamberlain
Chairman
5000 State Ave.
Kansas City KS 66102
USA
phone: 913-287-9200
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Henry Chamberlain has 50 years of experience in the Glass Industry. His expertise includes just about all aspects of glass from engineering design, manufacturing, strengthening, testing, quality control, installation, fractography, and failure analysis of glass and glazing systems. His experience ranges from automotive, architectural, and industrial glass applications to glass consumer products.

Mr. Chamberlain has held numerous leadership positions in professional associations and is a well-respected expert within the glass industry community. Since 1996, he has contributed to many different publications and given lectures and presentations on glass.

Areas of Specialization:
  • Computational modeling for structural and thermal design optimization of glazing systems. Mr. Chamberlain was one of the first group of ten people certified by the National Fenestration Rating Council to serve as the "Individual-in-Responsible-Charge" of a laboratory accredited by NFRC to issue product ratings
  • Design, quality control, and testing of glass parts and glazing systems for demanding architectural and industrial applications
  • Angle specific spectral models for optimization of the optical properties of fenestration systems
  • Process control and quality control in the manufacture and fabrication of glass, with emphasis on insulating and laminating technology and the measurement and control of stress during annealing, toughening or bending processes
  • Fracture mechanics of glass
  • Specialized spectrophotometric polariscopes, instrumentation used to detect and analyze defects in glass products, and other optical instruments
Litigation Support - Mr. Chamberlain provides expert Forensic Glass and Glazing litigation support. His expertise includes analysis of inclusions and defects, fractographic analysis, stress analysis, and expert opinion regarding glazing system design and glazing methods. Mr. Chamberlain's services are available to counsel representing both plaintiff and defendant.

Areas of Expertise:
  • Glazing System Design
  • Glass Failure Analysis
  • Fractography
  • Finite Element Analysis (FEA)
  • Optics & Acoustics
  • Energy Efficiency
  • Process Control
  • Glass Testing
  • Glass Codes & standards
  • Glass Safety
  • View Henry Chamberlain's Consulting Profile.
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    John Minor
    President, CGC
    14 Live Oak Drive
    Suite A-1
    Gulf Breeze FL 32561
    USA
    phone: 850-932-8720
    fax: 850-934-6659
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    John G. Minor, President of Complete General Contractors, is a third-generation Contractor and licensed instructor certified by the North Carolina Department of Insurance. He is a recognized expert on the costs and applications necessary to repair buildings damaged by manufacturer, builder liability, water damage or intrusion, mold, or asbestos.

    Mr. Minor has worked in construction and contracting dispute resolution throughout the Southeast for over 17 years. He has been involved in the successful discharge of 150+ million dollars as an expert witness in property claim lawsuits and disputes. He is retained by both the plaintiff and defense for a fair appraisal of the issues at hand.

    Mr. Minor works with attorneys to generate a plan based on damages to property and in compliance with the provisions and spirit of the insurance policies in effect at the time of the loss. For personal injury cases, he works to establish the code requirements in place at times of the injury to find how they relate to the cause of action.

    Areas of Expertise:
    • Loss Appraisals
    • Construction Claims
    • Construction Disputes
    • Construction Safety
    • Construction Damages
  • Fire Damage
  • HVAC Issues
  • Insurance - Property, Casualty
  • Mold
  • Asbestos
  • View John Minor's Consulting Profile.
    It appears we may just finally have some more Wyatt Earp in place of Billy the Kid in the appraisal industry. Gentlemen and Ladies, check your guns at the city limits of Dodge!

    3/3/2015 · Construction
    With sea levels rising by some reports and inch a decade and the prediction of stronger hurricanes todays aging building stock is at risk. In addition for new construction we must learn from the past. The proliferation of coastal development begs for consistent and sustainable construction techniques.

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    Sanford C. Loy , CCM, B.Arch, MSCE
    Principal
    601 Reliability Circle
    Knoxville TN 37932
    USA
    phone: 865-675-3603, ext. 102
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    Sanford Loy Construction Defect Expert PhotoSanford C. Loy , CCM, B.Arch, MSCE, has 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 for 2 years and as Director of Construction and Development for Belz Enterprises, the largest development company in Tennessee, for two years before founding Construction Strategies and Solutions 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.

    View Sanford Loy's Consulting Profile.
    4/16/2018 · Construction
    The construction industry is gigantic.....it has been around for centuries in this country alone....an industry with that much inertia does not embrace change easily. Introducing new processes and methodology is much like trying to turn an aircraft carrier with a boat oar. You can get beat up pretty good and not even effect the ship!

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    David Neagley, AIA, Architect
    Forensic Architect
    PO Box 2265
    La Jolla CA 92038
    USA
    phone: 858-354-8070
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    David Neagley Forensic Architecture Expert PhotoDavid Neagley, AIA, Architect: Over thirty-two years of architectural design and construction administration experience with all building types, including educational, medical, R&D, corporate, commercial, custom residential, multi-family housing, military and industrial projects, totaling over 12.4 million square feet. Emphasizing use of durable, low maintenance materials including stainless, copper, bronze, zinc, cement-fiber, plastics, composites, specialty sealants & industrial paints.

    Building Reconstruction Specialist: Reconstruction design, details and specifications focused on solving complex construction problems and developing effective repairs for commercial and institutional buildings. Services include design for waterproofing, flashing, exterior finishes, roofs, decks, windows, and remediation of mold, wood rot, corrosion and structural damage.

    Construction Industry Expert: Visual inspection, intrusive testing, defect analysis, repair recommendations and forensic expert services for both plaintiff and defense parties. Specialized knowledge of construction materials, industry standards, code compliance, waterproofing, vapor transmission, exterior finishes, corrosion, condensation, ventilation, mold, wood rot, suspended ceilings, interior partitions, and structural issues.
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    David M. Bekus
    45 Hunt Lane
    Skilllman NJ 08558
    USA
    phone: 732-735-7444
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    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.
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    James R. Drebelbis, AIA, PE
    2909 Cole Ave
    Suite 100
    Dallas TX 75204
    USA
    phone: 214-468-8118
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    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
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    Keith C. Madigan, PE
    100 West Road, Suite 300
    Towson MD 21204
    USA
    phone: 410-527-1983
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    Keith C. Madigan, PE, is an Engineering and Construction Management expert with over 30 years of experience in the design and construction industry including roles with consultants, contractors, developers, and building owners.

    Mr. Madigan holds the following certifications: CSI-Construction Documents Technologist, ASHRAE-Building Energy Assessment Professional, ASHRAE-Building Commissioning Professional, LEED AP-BD+C, and LEED AP O+M. He is a licensed professional engineer in NY, NJ, PA, DE, MD, DC, VA, WV, NC, SC, GA, TX, IL, MI, FL, CT, and CO.

    Mr. Madigan provides engineering, construction, and facility management consulting services for commercial, industrial, and multi-family properties. He is experienced in construction management support, property condition assessments, building envelope evaluations, feasibility studies, forensic investigations and expert witness support, building code consulting, and LEED / green building consulting.

    Litigation Support - Mr. Madigan's forensic and expert witness experience has included deposition and trial testimony for a variety of construction defect, property damage, premises liability, and construction management claims. His services are available to attorneys representing plaintiffs and defendants and include site reviews, preparation of detailed reports, depositions, and trial testimony as needed.

    Areas of Expertise:
    • Construction Defects
    • Building Codes
    • Construction Management
    • Construction Scheduling
    • Construction Disputes
    • Green Building
    • Property Condition Assessments
  • Property Damage
  • Building Envelope / Water Intrusion
  • Construction Standard of Care
  • Construction Safety
  • Construction Forensic Engineering
  • Construction Defect Cause & Origin
  • Building Inspection
  • View Keith C. Madigan's Consulting Profile.
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    Daniel D. Bawden, GMB, CAPS, CGR, CGP, JD
    5008 Locust St.
    Bellaire TX 77401
    USA
    phone: 713-723-8850
    fax: 713-729-7125
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    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.
    9/13/2017 · Construction
    What is the first thing I should do if my home got flooded? Call your flood insurance company and file a claim, preferably before August 31st, when the flood settlement rates go down. How can I find out if I have flood insurance, and who to call?

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    Thomas Read, PhD
    Principal
    1435 Fulton Rd.
    Santa Rosa CA 95403
    USA
    phone: 707-544-2374
    fax: 707-544-2370
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    Expert Background: Dr. Thomas L. Read is the Principal and CEO at A. Read Consulting, LLC. He received his PhD. from Stanford University in 1972 and has over 25 years of manufacturing experience in electronics, metallurgy, factory safety, failure analysis, glass fracture, glass failure and bottle failure. As a member of the electronics industry, he has earned process patents and has an extensive background in manufacturing techniques.

    In parallel, Dr. Read has spent over twenty five years as a consultant to attorneys and engineers. He has given more than 100 depositions and has appeared in court numerous times.

    Company Profile: Read Consulting, LLC is a full service laboratory providing services in the following areas:
  • Failure Analysis; Factory Safety and Personal Injury (including machine guards and manufacturing safety)
  • Glass Failure Analysis - Glass Fracture, Glass Failures and Bottle Failure
  • Metal and Ceramic Failure
  • Grinding Wheel Failures
  • Intellectual Property and Patent Disputes
  • Product Liability and Product Quality
  • Manufacturing Disagreements (such as Intellectual Property, Failed equipment and Contract Disputes)
  • Reverse Engineering
  • As "water hammer" (i.e. liquid impact) has the potential to cause glass bottle failure, Read Consulting LLC created two such failures to study the resulting fracture surface details.

    4/23/2015 · Failure Analysis
    Read Consulting was asked to determine why a welded chair failed and caused injury to the person sitting in it.

    The root cause of the failure of customer returns of heated automobile rear view mirrors was investigated.

    During normal operation, the arm on an automatic wafer test station failed. Root cause failure analysis determined that the drive shaft on the right angle gear motor used to raise and lower the manipulator arm had failed first.

    5/21/2012 · Failure Analysis
    This grinding wheel was part of a product liability and personnel injury case. It was claimed that the subject wheel had unexpectedly failed (i.e. flown apart) and an escaping piece had hit the plaintiff in the face causing serious injuries. According to the user, the grinder with the wheel was purchased approximately one hour before the grinding wheel failure.

    3/29/2012 · Failure Analysis
    A failed plastic lawn chair was examined to determine the cause of failure. This chair failed on the premises of a restaurant In this study the subject chair is examined and compared to several exemplar purchased at the same time. The objective of this study is to determine the cause of failure.

    11/8/2011 · Failure Analysis
    Glass Failure Analysis Expert Witness performs a failure analysis of a several tempered glass doors that had "spontaneously" failed at a construction site. The objective of this glass failure analysis is to determine the cause of failure and make recommendations to the contractor.

    8/30/2011 · Failure Analysis
    Materials failure analysis expert performs a failure analysis to determine the source of a metal piece found in tomato product.

    5/17/2011 · Failure Analysis
    A plumbing failure analysis was performed to determine why a cold water supply line to a bathroom sink had failed after only one year of service.

    A glass failure expert witness performs a root cause failure analysis on an exploding beer bottle. The object of this root cause failure analysis is to determine the cause of the bottle failure.

    7/7/2009 · Design
    Before expending the effort necessary to reverse engineer a device or object, it must be definite that the object under study is not covered by one or more patents. This avoids a dispute over patent violations. Once it has been established that no patent coverage exists, one can use multiple techniques to reverse engineer a product. These are summarized below:

    The cracked tank was first inspected in the "as received" condition. In this condition it was cracked, but it was still whole. Next, the failed tank was separated by pulling it apart. This was done to expose the fracture surfaces of the main crack. This allowed for a complete failure analysis and for a determination of where the crack initiated.

    Glass fractography is the most effective method for determining why a glass object, such as a bottle, failed. This technique consists of examining the fracture surfaces of the failure for artifacts such as Wallner lines and using them to trace the crack back to its origin. Once the origin has been identified, it can be examined in detail with a microscope to determine the cause of the failure.

    1/28/2006 · Failure Analysis
    Note: Glass Fractography is the most effective method for determining why a glass object, such as a bottle, failed. This technique consists of examining the fracture surfaces of the failure for artifacts such as Wallner lines and using them to trace the crack back to its origin

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    Mark C. Vanderslice
    22765 La Palma Avenue
    Yorba Linda CA 92887
    USA
    phone: 714-970-7400
    fax: 714-970-7474
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    Mark VandersliceMark 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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    Shepherd Consulting Services
    John D. Shepherd, RRO, RRC
    Registered Roof Observer, Registered Roof Consultant
    PO Box 10010
    Torrance CA 90505
    USA
    phone: 310-378-0791
    fax: 310-378-0794
    John D. Shepherd, RRC, RRO, founder of Shepherd Consulting Services, a division of Shepherd Roof Consulting, has been actively involved in the Roofing and Construction Industry for over 40 years. He has spent 10 years as an active roofing contractor and the last 18 years as a Roofing, Waterproofing, Sheet Metal, and Exterior Wall Consultant.

    Over the last 18 years, Mr. Shepherd attended about 1100 hours of continuing education courses related to roofing, waterproofing, sheet metal, exterior walls, windows and other various building envelope components. He is an RCI Registered Roof Consultant and Registered Roof Observer, a HAAG Certified Residential and Commercial Roof Inspector, a licensed roofing contractor in California and Arizona, and a Certified Building Science Thermographer.

    Mr. Shepherd has been retained in over 400 construction defect litigation cases, representing plaintiffs, developers and/or sub-contractors. He has been deposed more than 60 times, testified in over 20 trials and has extensive mediation experience as well.

    Areas of Expertise:
    • Construction Defect
    • Water Intrusion Investigation
    • Property Loss Damage Claims
    • Personal Injury Claims
    • Standard of Care and Building Code Issues Related to Roofing, Sheet Metal, Waterproofing, and Building Envelope
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    Paris (Perry) Tabor
    CE/SE, PMP, CDP, LEED AP, CAASH
    2671 Crow Canyon Rd., 3rd Floor
    San Ramon CA 94583
    USA
    phone: Ofc: 925-275-0110 / Cell: (925) 360-8259
    fax: 925-838-8901
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    Paris A. (Perry) Tabor, is a Structural Engineering Consultant with expertise in Forensic Construction Analysis. He has more than 30 years experience designing, analyzing and evaluating all low-rise building types, framing systems and construction materials.

    Specialties
    • Design-Analysis:
      • Commercial - retail/MOB/office/sports facility/hospitality/mixed-use
      • Residential - active adult/production housing/custom-estates/market-rate, for-rent & affordable
      • Building Rehabilitations/Additions (many with historically significant and adaptive-use demands)
      • Peer Reviews and Construction Administration services
    • Seismic Risk Assessments: Buildings/Facilities due-diligence/property conditions reports: (PML/SEL/SUL), post-earthquake observations and pre-construction reviews
    • Forensic evaluations, expert witness and litigation support; equally distributed between plaintiff and defense cases
    Structural Services
    • Design of New and Ancillary Structures - Office / Retail Structures, Motel / Hotel / Cultural / Educational / Community Structures, Multi-Family (Market Rate, Rental & Affordable) Housing, Production Housing (Attached & Detached), Industrial / Maintenance Structures
    • Structural and Seismic Evaluations of Existing Structures - Structural Alterations & Rehabilitation, Historic Preservation, Condition Assessment, Post Earthquake Evaluations
    • Special / Ancillary Structures
    • Peer Review / Constructability Reviews / Forensics
    View Perry Tabor's Consulting Profile.