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    • News and Press Releases
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    • Employment Opportunities
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    • Construction Claims & Disputes
      • Construction Delay Claims
      • Labor Productivity Claims
      • Design and Construction Defect Claims
      • Force Majeure Claims
      • Acceleration Claims
      • Suspension and Termination Claims
      • Differing Site Conditions Claims
      • Change Claims
    • Construction Defects
    • CPM Schedule Analysis
      • Windows Analysis or Contemporaneous Period Analysis
      • Time Impact Analysis (TIA)
      • Collapsed As-Built
      • Impacted As-Planned
      • As-Planned vs. As-Built
    • Construction Management
      • Contract Administration
      • Implementation of Project Controls
      • Execution of Processes and Procedures
      • Change Management
      • Risk Management
    • Litigation & Arbitration
      • Prudence Evaluation Experts
      • International Arbitration Construction Experts
      • Labor Productivity Analysis Experts
      • Schedule Delay Experts
      • Damage Quantification Experts
      • Design & Construction Defects Experts
      • Acceleration Experts
      • Suspension & Termination Experts
      • Force Majeure Experts
      • Differing Site Conditions Experts
      • Construction Change Experts
      • Standard of Care
    • Project Advisory
      • Construction Readiness Assessment
      • Contracting Strategy Development
      • Cost Risk Assessment
      • Project Audit
      • Project Execution Planning
      • Project Framing
    • Occupational Injury/Incident Analysis
  • Industries Served
    • Buildings & Facilities
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        • Education
        • Government Buildings
        • Commercial Buildings
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      • Healthcare
      • Entertainment, Sports & Convention Centers
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        • Multifamily Housing
        • Hotels
    • Transportation & Infrastructure
      • Airports
      • Heavy Civil
      • Roads, Highways, Bridges & Rail
      • Utilities
      • Water & Wastewater Treatment
    • Oil & Gas Pipelines
      • Land Pipelines
      • Subsea Pipelines
    • Marine & Offshore Production
      • Offshore
      • Ports, Piers & Wharfs
      • Shipbuilding & Vessels
    • Power & Energy
    • Chemical & Petrochemical
    • LNG & NGL
    • Oil & Gas Processing
    • Refining
    • Megaprojects
  • GlassRatner Experts
    • Sam Barakat, PE, Esq., PSP
    • Lisa Sumner Heard
    • Dennis R. Jasinski, Fellow – ICCP
    • Karen P. Matthews
    • Nicholas V. Ninan, CCP
    • Gabriel Paglicawan
    • Tapan Patni
    • Christopher J. Sullivan
    • Philip D. Barnard, PE
    • David Frinsco
    • Michael T. Gunter, PE, EVP
    • Michael A. Jorgenson, PMP
    • Chad P. Kirlin, PE, PMP
    • Greg Lamberson
    • Pete D. Luan, PMP
    • Charles W. Miller
    • Carolyn L. Morgan, CPA
    • Sean P. Pellegrino, PE
    • Leslie Rucker, CSP
    • Rodney Crawford, CPA
    • Joel Murovitz, LEED AP
  • Contact Us
  • Client Login
logo
  • Home
  • About GlassRatner
    • Overview
    • News and Press Releases
    • Case Studies
    • GlassRatner Articles
    • Employment Opportunities
  • Expert Services
    • Construction Claims & Disputes
      • Construction Delay Claims
      • Labor Productivity Claims
      • Design and Construction Defect Claims
      • Force Majeure Claims
      • Acceleration Claims
      • Suspension and Termination Claims
      • Differing Site Conditions Claims
      • Change Claims
    • Construction Defects
    • CPM Schedule Analysis
      • Windows Analysis or Contemporaneous Period Analysis
      • Time Impact Analysis (TIA)
      • Collapsed As-Built
      • Impacted As-Planned
      • As-Planned vs. As-Built
    • Construction Management
      • Contract Administration
      • Implementation of Project Controls
      • Execution of Processes and Procedures
      • Change Management
      • Risk Management
    • Litigation & Arbitration
      • Prudence Evaluation Experts
      • International Arbitration Construction Experts
      • Labor Productivity Analysis Experts
      • Schedule Delay Experts
      • Damage Quantification Experts
      • Design & Construction Defects Experts
      • Acceleration Experts
      • Suspension & Termination Experts
      • Force Majeure Experts
      • Differing Site Conditions Experts
      • Construction Change Experts
      • Standard of Care
    • Project Advisory
      • Construction Readiness Assessment
      • Contracting Strategy Development
      • Cost Risk Assessment
      • Project Audit
      • Project Execution Planning
      • Project Framing
    • Occupational Injury/Incident Analysis
  • Industries Served
    • Buildings & Facilities
      • Buildings
        • Education
        • Government Buildings
        • Commercial Buildings
        • Retail
      • Healthcare
      • Entertainment, Sports & Convention Centers
      • Industrial & Manufacturing
      • Multifamily Housing & Hotels
        • Multifamily Housing
        • Hotels
    • Transportation & Infrastructure
      • Airports
      • Heavy Civil
      • Roads, Highways, Bridges & Rail
      • Utilities
      • Water & Wastewater Treatment
    • Oil & Gas Pipelines
      • Land Pipelines
      • Subsea Pipelines
    • Marine & Offshore Production
      • Offshore
      • Ports, Piers & Wharfs
      • Shipbuilding & Vessels
    • Power & Energy
    • Chemical & Petrochemical
    • LNG & NGL
    • Oil & Gas Processing
    • Refining
    • Megaprojects
  • GlassRatner Experts
    • Sam Barakat, PE, Esq., PSP
    • Lisa Sumner Heard
    • Dennis R. Jasinski, Fellow – ICCP
    • Karen P. Matthews
    • Nicholas V. Ninan, CCP
    • Gabriel Paglicawan
    • Tapan Patni
    • Christopher J. Sullivan
    • Philip D. Barnard, PE
    • David Frinsco
    • Michael T. Gunter, PE, EVP
    • Michael A. Jorgenson, PMP
    • Chad P. Kirlin, PE, PMP
    • Greg Lamberson
    • Pete D. Luan, PMP
    • Charles W. Miller
    • Carolyn L. Morgan, CPA
    • Sean P. Pellegrino, PE
    • Leslie Rucker, CSP
    • Rodney Crawford, CPA
    • Joel Murovitz, LEED AP
  • Contact Us
  • Client Login
logo
  • Home
  • About GlassRatner
    • Overview
    • News and Press Releases
    • Case Studies
    • GlassRatner Articles
    • Employment Opportunities
  • Expert Services
    • Construction Claims & Disputes
      • Construction Delay Claims
      • Labor Productivity Claims
      • Design and Construction Defect Claims
      • Force Majeure Claims
      • Acceleration Claims
      • Suspension and Termination Claims
      • Differing Site Conditions Claims
      • Change Claims
    • Construction Defects
    • CPM Schedule Analysis
      • Windows Analysis or Contemporaneous Period Analysis
      • Time Impact Analysis (TIA)
      • Collapsed As-Built
      • Impacted As-Planned
      • As-Planned vs. As-Built
    • Construction Management
      • Contract Administration
      • Implementation of Project Controls
      • Execution of Processes and Procedures
      • Change Management
      • Risk Management
    • Litigation & Arbitration
      • Prudence Evaluation Experts
      • International Arbitration Construction Experts
      • Labor Productivity Analysis Experts
      • Schedule Delay Experts
      • Damage Quantification Experts
      • Design & Construction Defects Experts
      • Acceleration Experts
      • Suspension & Termination Experts
      • Force Majeure Experts
      • Differing Site Conditions Experts
      • Construction Change Experts
      • Standard of Care
    • Project Advisory
      • Construction Readiness Assessment
      • Contracting Strategy Development
      • Cost Risk Assessment
      • Project Audit
      • Project Execution Planning
      • Project Framing
    • Occupational Injury/Incident Analysis
  • Industries Served
    • Buildings & Facilities
      • Buildings
        • Education
        • Government Buildings
        • Commercial Buildings
        • Retail
      • Healthcare
      • Entertainment, Sports & Convention Centers
      • Industrial & Manufacturing
      • Multifamily Housing & Hotels
        • Multifamily Housing
        • Hotels
    • Transportation & Infrastructure
      • Airports
      • Heavy Civil
      • Roads, Highways, Bridges & Rail
      • Utilities
      • Water & Wastewater Treatment
    • Oil & Gas Pipelines
      • Land Pipelines
      • Subsea Pipelines
    • Marine & Offshore Production
      • Offshore
      • Ports, Piers & Wharfs
      • Shipbuilding & Vessels
    • Power & Energy
    • Chemical & Petrochemical
    • LNG & NGL
    • Oil & Gas Processing
    • Refining
    • Megaprojects
  • GlassRatner Experts
    • Sam Barakat, PE, Esq., PSP
    • Lisa Sumner Heard
    • Dennis R. Jasinski, Fellow – ICCP
    • Karen P. Matthews
    • Nicholas V. Ninan, CCP
    • Gabriel Paglicawan
    • Tapan Patni
    • Christopher J. Sullivan
    • Philip D. Barnard, PE
    • David Frinsco
    • Michael T. Gunter, PE, EVP
    • Michael A. Jorgenson, PMP
    • Chad P. Kirlin, PE, PMP
    • Greg Lamberson
    • Pete D. Luan, PMP
    • Charles W. Miller
    • Carolyn L. Morgan, CPA
    • Sean P. Pellegrino, PE
    • Leslie Rucker, CSP
    • Rodney Crawford, CPA
    • Joel Murovitz, LEED AP
  • Contact Us
  • Client Login
  • Home
  • About GlassRatner
    • Overview
    • News and Press Releases
    • Case Studies
    • GlassRatner Articles
    • Employment Opportunities
  • Expert Services
    • Construction Claims & Disputes
      • Construction Delay Claims
      • Labor Productivity Claims
      • Design and Construction Defect Claims
      • Force Majeure Claims
      • Acceleration Claims
      • Suspension and Termination Claims
      • Differing Site Conditions Claims
      • Change Claims
    • Construction Defects
    • CPM Schedule Analysis
      • Windows Analysis or Contemporaneous Period Analysis
      • Time Impact Analysis (TIA)
      • Collapsed As-Built
      • Impacted As-Planned
      • As-Planned vs. As-Built
    • Construction Management
      • Contract Administration
      • Implementation of Project Controls
      • Execution of Processes and Procedures
      • Change Management
      • Risk Management
    • Litigation & Arbitration
      • Prudence Evaluation Experts
      • International Arbitration Construction Experts
      • Labor Productivity Analysis Experts
      • Schedule Delay Experts
      • Damage Quantification Experts
      • Design & Construction Defects Experts
      • Acceleration Experts
      • Suspension & Termination Experts
      • Force Majeure Experts
      • Differing Site Conditions Experts
      • Construction Change Experts
      • Standard of Care
    • Project Advisory
      • Construction Readiness Assessment
      • Contracting Strategy Development
      • Cost Risk Assessment
      • Project Audit
      • Project Execution Planning
      • Project Framing
    • Occupational Injury/Incident Analysis
  • Industries Served
    • Buildings & Facilities
      • Buildings
        • Education
        • Government Buildings
        • Commercial Buildings
        • Retail
      • Healthcare
      • Entertainment, Sports & Convention Centers
      • Industrial & Manufacturing
      • Multifamily Housing & Hotels
        • Multifamily Housing
        • Hotels
    • Transportation & Infrastructure
      • Airports
      • Heavy Civil
      • Roads, Highways, Bridges & Rail
      • Utilities
      • Water & Wastewater Treatment
    • Oil & Gas Pipelines
      • Land Pipelines
      • Subsea Pipelines
    • Marine & Offshore Production
      • Offshore
      • Ports, Piers & Wharfs
      • Shipbuilding & Vessels
    • Power & Energy
    • Chemical & Petrochemical
    • LNG & NGL
    • Oil & Gas Processing
    • Refining
    • Megaprojects
  • GlassRatner Experts
    • Sam Barakat, PE, Esq., PSP
    • Lisa Sumner Heard
    • Dennis R. Jasinski, Fellow – ICCP
    • Karen P. Matthews
    • Nicholas V. Ninan, CCP
    • Gabriel Paglicawan
    • Tapan Patni
    • Christopher J. Sullivan
    • Philip D. Barnard, PE
    • David Frinsco
    • Michael T. Gunter, PE, EVP
    • Michael A. Jorgenson, PMP
    • Chad P. Kirlin, PE, PMP
    • Greg Lamberson
    • Pete D. Luan, PMP
    • Charles W. Miller
    • Carolyn L. Morgan, CPA
    • Sean P. Pellegrino, PE
    • Leslie Rucker, CSP
    • Rodney Crawford, CPA
    • Joel Murovitz, LEED AP
  • Contact Us
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construction consulting VISIT GLASSRATNER.COM

Expanded services. Greater reach. Same team.

Interface Is Now GlassRatner

READ MORE

Expert Construction Consulting Services

GlassRatner (Formerly Interface Consulting) provides a portfolio of professional support services to a wide range of clients including owners, contractors, attorneys, engineers, insurers, and suppliers involved in the engineering and construction process.

Construction Claims & Disputes
Construction Defects
Construction Management
CPM Schedule Analysis
Litigation & Arbitration
Construction Advisory
40+

YEARS

550+

CLIENTS

1200+

PROJECTS

$100B

IN CAPITAL
PROJECTS

Meet Our Expert Construction Consultants

GlassRatner’s primary resource is our exceptional staff of highly qualified and experienced construction experts and consultants. Each consultant offers a unique combination of technical expertise and capabilities to address our clients’ challenges.

CONSULTANTS & EXPERTS

Industries Served

Since 1986, clients have relied on GlassRatner’s (Formerly Interface Consulting) expertise on construction and engineering projects worldwide.

Buildings & Facilities
Transportation & Infrastructure
Oil & Gas Pipelines
Marine & Offshore Production
Power & Energy
Chemical & Petrochemical
LNG & NGL
Oil & Gas Processing
Refining

What Our Clients Say

I would enthusiastically hire them again. In the heat of battle and during trial, I liked [their] determination, creativity, and willingness to work hard. Qualities that are very important to me and my client.
Top three words used to describe GlassRatner: Professional, Smart, Capable. Other adjectives include: experienced, responsive, competent, reliable, aggressive, confident, dependable, diligent, effective, qualified, and thorough.

GlassRatner employs a team of sharp, highly-educated, highly-intelligent consultants. Their reports really stand out…intimidating to the other side

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GlassRatner (Formerly Interface Consulting) provides a portfolio of professional support services to a wide range of clients including owners, contractors, attorneys, engineers, insurers, and suppliers involved in the engineering and construction process.

Quick Links

  • About GlassRatner
  • Industries Served
  • News & Press Releases
  • GlassRatner Articles
  • GlassRatner Experts
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  • Client Login

Expert Services

  • Construction Claims & Disputes
  • Construction Defects
  • Construction Management
  • CPM Schedule Analysis
  • Litigation & Arbitration
  • Project Advisory

Corporate Office

  • GlassRatner
  • 5847 San Felipe Street, Suite 1910
  • Houston, TX 77057
  • co*****@******************ng.com
  • 800.626.0054(Phone)
  • 713.626.2555 (Fax)
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  • Branch Offices
  • Naples, Florida
       
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