TSA Comparative Analysis Reports on Bridge and Tunnel Security

Gregory M. JizbaU.S. Army Corps of Engineers, Omaha District Protective Design Center

US Army Corps of EngineersBUILDING STRONG®1

AASHTO SCOBST-01 Committee Meeting

June 27, 2016

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The Implementing Recommendations of the 9/11 Commission Act of 2007: Risk Assessments on critical infrastructure and

key resources of the United States must be conducted.

In addition, a report shall also be prepared on the comprehensive assessments evaluating threat, vulnerability, and consequence.

9/11 Act Recommendations

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Project Delivery Team Department of Homeland Security (DHS)

Transportation Security Administration (TSA)Office of Security Policy and Industry EngagementSurface Division (formerly the Highway and Motor Carrier Branch)

USACE Omaha District Protective Design Center Black & Veatch Federal Services Division

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Focus on Antiterrorism Vulnerability Assessment Risk Analysis Feasible Mitigation Measures (with cost)

TSA provides interface with bridge owner: scheduling and coordination

Three steps in process: 1 – Site survey 2 – Risk Assessment 3 – Report to TSA

Bridge and Tunnel Assessment Program for TSA

Step One: Site Survey Assessment

Data Collection Review of available

drawings and information

Completion of questionnaires

Conduct information gathering discussions

On-site survey

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Step Two: Risk Assessment Vulnerability Analysis

Identify Threats Identify Vulnerable

Components Prioritize using

Component Risk Analysis (Phase Ia)

Develop Threat Scenarios

Risk Reduction Develop Protective

Measures Develop Mitigation

Measures Mitigated Component

Risk Analysis Mitigation Measures

Cost Estimates

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Step Three: Report to TSA – Surface Division Individual Site Report

Phase I: Draft Report, USACE Internal Review Phase II: Draft Final Report, TSA / FHWA /

Stakeholder Review Final Report shared with Cleared Owner Personnel Enhanced Executive Summary Sent to Stakeholders

Unclassified SSI document. Redacted version of sections 1-4 of the classified report.

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Rij = Oij x Vij x IjBridges: Risk-Based Prioritization of Terrorist Threat

Mitigation Measures on Bridges, ASCE Journal of Bridge Engineering, James C. Ray, P.E. – ERDC WES March/April 2007

Tunnels: Leveraged Best Practices and recommendations from past work. Developed risk assessment method similar to bridge risk process (look and feel)

Risk Analysis Methodology

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Bridge: One Risk Assessment Structure Risk Analysis Evaluate individual bridge components

since loss of life is prevented by protecting the structure (stability)Threats are VBIED, HEIED, NECD, VI, Fire

Tunnel: Two Risk Assessments Operational Risk Analysis (Closure) Evaluate tunnel components

and systems for “catastrophic damage” (Shut-Down of Operations)Threats are VBIED, HEIED, NECD, VI, Fire

Casualty Risk Analysis (Injury) Evaluate magnitude of casualties caused by attack

Threats are VBIED, Fire, Chemical

Bridge versus Tunnel Risk Assessment

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TSA Program Status - Bridges Inter Agency Agreement Signed 24 Jan 2010

1st Bridge Site Visit conducted: 8 Feb 2010

39 Reports Complete 11 Suspension ● 3 Cable Stay 8 Through Truss ● 2 Deck Truss 3 Through Arch ● 3 Deck Arch 4 Box Girder ● 7 I-Girder (Concrete and Steel) 1 Lift Span

23 States and International Length from 105 ft to more than 2000 ft 2 lanes to 15 lanes Opened 1906 to 2005 Comparative Report Complete

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TSA Program Status - Tunnels 1st Tunnel Site Visit conducted: 15 Nov 2011

14 Reports Complete Rock, Soft Earth, Cut & Cover, Immersed Tube,

Shield Driven, Air Rights Structure

5 States Length from 825’ to more than 2 miles 1 lanes to 9 lanes (total in all bores) Comparative Report Complete

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Identify Highest Risk Components/Threat Combinations

Look at : Vulnerabilities by type of structure Existing Security Measures Operational Procedures Mitigation strategies by structure type Effectiveness of proposed mitigation Compare cost of mitigation Summary of questionnaires Research Recommendations

Comparative Analysis Reportfor Bridges and Tunnels

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Two Part Report, SSI with Classified Appendices

Copies of the Bridge and Tunnel Comparative Report are being distributed to:

All State Homeland Security Agencies SSI Report, Classified Appendices

All State DOT’s SSI Report

Participating Bridge and Tunnel Stakeholders SSI Report

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For additional information contact: Raymond D. Cotton Surface Division Office of Security Policy and Industry Engagement Transportation Security Administration 601 South 12th Street, Arlington, Virginia 20598-6028 571-227-4237 (Office) 202-360-3666 (cell) 571-227-2935 (fax) Ray.Cotton@tsa.dhs.gov

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Slide Number 1��Project Delivery TeamBridge and Tunnel Assessment Program for TSAStep One: Site Survey AssessmentStep Two: Risk AssessmentStep Three: Report to TSA – Surface DivisionRisk Analysis MethodologyBridge versus Tunnel Risk AssessmentTSA Program Status - BridgesTSA Program Status - TunnelsComparative Analysis Report�for Bridges and TunnelsTwo Part Report, SSI with Classified AppendicesCopies of the Bridge and Tunnel Comparative Report are being distributed to:For additional information contact: