FHWA Pilot Project South Florida Climate Change Vulnerability … · 2019. 3. 21. · Florida –...
Transcript of FHWA Pilot Project South Florida Climate Change Vulnerability … · 2019. 3. 21. · Florida –...
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FHWA Pilot Project South Florida Climate Change Vulnerability Assessment and Adaptation Pilot Project
Presented to: RCAP Implementation Workshop
April 30th, 2015
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Agenda
v Discussion of transportation impacts in your community
v Project background and technical methodology
v Group Activity
v Project Findings v How to Apply the Findings
v Q&A
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Florida – The Sunshine State
v What Makes it Great – Caribbean Climate – Plenty of Water
Front Property – Fascinating
Limestone Geology – Great for Morning
Exercise
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Discussion
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Transportation Impacts in Your Community
v What are the issues you have seen in your community thus far?
v What do you see as the greatest threat to your community? – Long term SLR, Surge, Precipitation Induced Flooding
v How is your community planning for existing or future events?
v What factors guide future responses to vulnerabilities? – Level of Impact, usage, access to business centers,
detours, etc.
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Project Background
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Project Intent
v Part of a broader national effort to define methods to determine vulnerability
v Led by Broward MPO for four county southeast Florida area
v Identify existing and future vulnerabilities of the transportation system
v Provide feedback to FHWA on approaches to refine methods
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Project Scope v Assess current and future impacts to regionally significant
roads, railroads, and bridges
v Unit of analysis – Roads: Segmented at intersections of other
regionally significant routes – Railroads: Segmented between stations
v Analysis involves measuring exposure to: – Current and future temporary flood
inundation (storm surge & precip.) – Permanent sea level rise (SLR) inundation
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Technical Methodology
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Overall Vulnerability Approach
Rank Flood Vulnerabili0es
Calculate the Vulnerability Scores for Each Asset Sensi0vity
§ Bridge condi+on index • Scour ra+ng (roads) • Substructure condi+on ra+ng (roads)
Adap0ve Capacity § Average annual daily traffic (roads) § Heavy commercial average daily traffic (roads)
§ Tri-‐Rail ridership on segment (rail) § Detour length (roads)
Exposure § % of segment permanently inundated by SLR (1, 2, & 3 Ft.)
§ Current flood exposure index § Future poten+al flood exposure index
Regional road network
Iden0fy Assets of Interest
Tri Rail network
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Methodology – Spa0al Refinement of Risk
Thank You FDOT GeoPlan and Other Local Partners!
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1. Selec0ng/Developing Baseline Data
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2. Understand Current Flood Exposure
1 2
1
2
2
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2. Understand Current Flood Exposure
1 2
1
2
2
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3. Understand Future Exposure – Permanent Inunda0on
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4. Understand Future Exposure – Temporary Inunda0on
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5. Summarize Exposure
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6. Understand Sensi0vity & Adap0ve Capacity
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Group Activity
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7. Calculate Vulnerability Scores
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Findings
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Findings – Palm Beach County (North)
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Findings – Palm Beach County (South & West)
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Findings – Broward County (North & West)
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Findings – Broward County (South)
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Findings – Miami-‐Dade County (North)
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Findings – Miami-‐Dade County (South & West)
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Findings – Monroe County
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How to Apply The Findings
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Review Long Range Transporta0on Plans Theore0cal Example
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Review Long Range Transporta0on Plan Theore0cal Example
Consider Longer Term Impacts of Current Capital Program Expenditures
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Incorporate Into Project Decision-making
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Assess Projects for Inclusion in Capital Program Theore0cal Example – Hollywood Boulevard
Consider Adding Projects to LRTP Assess Long Term Costs and BCA of Response Op0ons
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Consider Transporta0on and Other Infrastructure Costs as Part of a Basis for a Broader Coastal Protec0on Strategy
NOAA – Sea Level Rise Viewer
Assess Projects for Inclusion in Capital Program