port of san francisco seawall resilience project · 2016-10-18 · going forward . action plan –...
TRANSCRIPT
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SPUR 10/12/2016
Port of San Francisco
Seawall Resilience Project
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Mic
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Mac
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Seawall Resilience Project Building the Seawall Earthquake Risk Sea Level Rise & Flood Risk Impacts Mitigation Concepts Advancing the Project
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Building The Seawall - California Board of State Harbor Commissioners
Chapter 306 of the Statutes of 1863
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Building The Seawall
Extent of the Seawall – 1879 to 1916
1906-1916 Seawall Pre-1906 Seawall
Fisherman’s Wharf
Mission Creek
1850’s Shoreline
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Building The Seawall
Pier 34 & Pier 36 in 1909
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Building The Seawall
Typical Early Construction
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72% Probability of Major Earthquake by 2044
Earthquake Vulnerability
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Earthquake Vulnerability
Comparison of 1906 and 1989 Earthquakes
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Earthquake Vulnerability
1906 Earthquake: Embarcadero near Lombard
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Earthquake Vulnerability
Existing Conditions
Young Bay Mud
Rock Dike
San Francisco Bay Filled Land
Firm Sand and Old Bay Clay
Utilities
Bulkhead Wall
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Earthquake Vulnerability
In the Event of An Earthquake
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Sea Level Rise & Flood Risk
Sea Level is Expected to Increase
12-24 Inches by 2050 36-66 Inches by 2100
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Sea Level Rise
Pier 14 in King Tides Today
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Sea Level Rise
100 Year Flood Vulnerability +6 inches | 2017 High Scenario | 2031 Likely Scenario
The Embarcadero roadway
Finger Piers Flood Risk
Onset (100 Yr)
Muni tunnel entrance between Howard & Folsom
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Sea Level Rise
100 Year Flood Vulnerability +12 inches | 2030 High Scenario | 2050 Likely Scenario
BART/Muni Tunnel Embarcadero Station
Muni tunnel entrance between Howard & Folsom
Finger Piers Flood Risk Moderate
(25 Yr)
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Sea Level Rise
100 Year Flood Vulnerability +18 inches | 2040 High Scenario | 2068 Likely Scenario
Fisherman’s Wharf to Bay Bridge
Downtown Main & Davis
Finger Piers Flood Risk
High (10 Yr)
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Sea Level Rise
100 Year Flood Vulnerability +24 inches | 2050 High Scenario | 2081 Likely Scenario
Edge of Transbay Terminal
Finger Piers Flood Risk
Severe (2 Yr)
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Sea Level Rise
100 Year Flood Vulnerability +36 inches | 2067 High Scenario | 2100 Likely Scenario
Finger Piers Regular Flooding
Regular Flooding on Embarcadero
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Sea Level Rise
100 Year Flood Vulnerability +66 inches | 2100 High Scenario | 2160 Likely Scenario
Finger Piers Daily Flooding
Daily Flooding on Embarcadero
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Impacts
Life-Safety Risk Damage to Port & City Infrastructure
Disruption to Port, City, & Region
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Impacts – Life Safety Risk
The Embarcadero & Bulkhead Buildings
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Mic
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Impacts – Life Safety Risk
Breakdown of Emergency Response
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Impacts - Damage
Embarcadero Historic District
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Impacts - Damage
Utility Infrastructure
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Impacts - Damage
Ground Transportation Facilities
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Impacts – Disruption
Economic Loss
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Impacts - Disruption
Disruption of Maritime Service
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Impacts - Disruption
Quality of Life
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Solutions
Initial Concepts
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Solutions
Option 1: Liquefaction Remediation of Fill
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Solutions
Option 2: Ground Improvement Under Seawall
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Solutions
Option 3: Ground Improvement Landside
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Solutions
Option 4: New Bayward Seawall
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Going Forward
Action Plan
Project Goals
• Improve Earthquake Safety without Delay
• Reduce Earthquake Damage and Disruption
• Lower Flood Risk
• Enhance San Francisco Bay
• Create a Stable Foundation for SLR Adaptation
• Respect San Francisco’s Iconic Waterfront
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Going Forward
Action Plan
Project Strategies
• Plan for Long Term Adaptation
• Limit Disruption During Construction
• Maximize Local Business Opportunities and Jobs
• Transparency and Public Accountability
• Local, State, Federal and Private Funding Sources
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Going Forward
Regulatory Permitting
BCDC
City
Regional Water Board
Port
US Army Corps
Secretary of the Interior
State Lands
Commission
National Marine
Fisheries Service
CEQA - NEPA
US Fish and
Wildlife
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Interagency Coordination
Improving San Francisco Bay
Elliot Bay Seawall Strategy
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Interagency Coordination
Embarcadero Enhancement Project
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Financing Tools
City and Port Capital Funding
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Financing Tools
Living Cities, City Accelerator
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Financing Tools
General Obligation Bonds
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Financing Tools
Seawall Lot 324 – Teatro Zinzanni Infrastructure Financing District
Existing Proposed
Generates approx. $40m
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Financing Tools
Mission Rock - Seawall Lot 337 and Pier 48 Infrastructure Financing District
Existing Proposed
Generates approx. $200m
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Financing Tools
Federal - Historic Tax Credits
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Financing Tools
Federal – Water Resource Development Act (WRDA)
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Financing Tools
Community Facilities District Bonds
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Going Forward
Action Plan
Schedule & Budget
Vulnerability Study ($1 M)
Planning Phase ($7M)
Preliminary Design & Approvals ($20M)
Final Design & Construction ($480M)
Public Outreach Presentations to neighborhood groups, email updates, media, etc.
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2015
Earthquake Risk
Flood Risk
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Going Forward
Action Plan – Related Efforts
Related Efforts Resilient San Francisco A City strategic vision for Resiliency
Waterfront Plan Update Land Use and Urban Design Policies
Mayor’s Sea Level Rise Committee Sea Level Rise Action Plan
Living Cities Infrastructure Cohort Grant Program to focus on innovative financing approaches
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Going Forward
Action Plan – Next Steps • City Collaboration • Technical Advisory Panel • Project Management Plan • Consultant Selection Process • Financing Strategy • Legislative and Policy Strategy • Waterfront Plan Update • Public Engagement • Port Commission Updates
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Questions?
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