The Spit at Oyster Point
SMC Harbor District Liaison Subcommittee
April 1, 2022
High Tide Inundation
Normal Conditions Flooding
● Comply with Regional Water Quality
Control Board mandates
● Resilient to sea level rise and the 2100
100-year base flood elevations as
determined by FEMA
● Ferry Terminal for North/South service
Why Are We Doing This?
Engineering
Conceptual Enclosure Layout
Proposed Solution - Sheet Pile Wall
Project Concepts - Option 1: SPIT to 2100 SLR BFE
COMBINATION RETAINING WALL / FLOOD WALL
Project Concepts - Option 2: SPIT to 2050 SLR BFE
PHASED CONSTRUCTION APPROACH
Biology
Cost Estimate Table
Option 1 Option 2 Option 3
Worst Case $34M* $30M*
Best Case $17M $15M $45M*
Description
Phased
Construction
Approach
Combo Retaining
Wall / Sea Wall
SPIT Removal
SLR 2100 2050
*Mitigation Measures are unknown and could be a significant cost.
Proposed Phase 1 Maintenance Project
• Raises grades of site to accommodate 100 year design storm • Saves Harbor Master Building
• Resolves RWQCB violation
• Total Cost estimate of $4M to $8M.
Note: Concept Dependent on Approval by BCDC.
Site Opportunities
Transportation
Opportunities
Expanded Ferry Service - Ridership Study
● Studied regions in SSF and San
Francisco to capture users who
lived and worked close to the
Ferry landing on both locations
● Modeled average daily trips taken
between San Francisco and South
San Francisco in 2019
● Ferry commuter service viable
between Oyster Point and Mission
Bay/Ferry Building landings
● Potential for future expanded
weekend service to other SF
locations
Timeline
Site Investigation, Develop Alt &
Preliminary Design
Environmental Permitting and Clearance
Public Outreach
Final Design
Construction
2021 2022 2023 2024 2025
Thank You