PORTS AND WATERWAYS SAFETY ASSESSMENT PAWSA

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PORTS AND WATERWAYS SAFETY ASSESSMENT (PAWSA)

• A Risk-Based Tool for Waterway Management
  Decisions

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PAWSA

• Background
• Process
• Sample Results
• Applying Results

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Background

• Accident Analyses
• Probabilistic Models
• Risk Analyses

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Background

• Accident Analyses
• Probabilistic Models
• Risk Analyses

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Key Features

• Local Expert Opinion
• Flexible and Easy to Use
• Systematic Evaluation
• Broad Risk Driver Coverage
• Defensible Results

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Using Experts

• Requires Cross Section of Users, Planners, and
  Stakeholders
• Promotes Participant Buy-In of Results
• Answers Correlate with Known Quantitative Values
• Not Reliant on Available Data

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Systematic Process

• Steps Build on Each Other
• Expertise Evaluation
• Baseline Risk
• Mitigation Effectiveness
• Additional Interventions
• Transparent Calculations
• Results Traceable to Participant Input

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Risk Categories and Factors
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Risk Scales
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Identifying the Risk
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Charting the Results

• follows

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Evaluating Mitigations
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Additional Measures
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Applying Results

• More than 40 assessments completed
• Numerous AtoN improvements
• Two new VTS
• Improved communications in an existing VTS
• Recognition of local safety issues
• Partnerships between government and industry in
  several ports

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Moving Forward

• IALA Generic Risk Model
• PAWSA
• IALA Waterway Risk Assessment Program (IWRAP)
• Continued Refinement

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Additional Information

• Mike Sollosi, U.S. Coast Guard
• msollosi_at_comdt.uscg.mil
• IALA
• iala-aism_at_wanadoo.fr
• On the Web
• www.iala-aism.org

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Thank You