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South San Francisco Station Improvement
Project
September 2018 Board meeting
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Overview • Project Need • Project Scope and Purpose • Project Challenges • Next Steps
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Project Purpose Why does existing station need to be replaced? • Improve system operations (Remove Hold Out
Rule) • Improve station access • Connect west and east sides of South San
Francisco
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Existing Station
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Project Scope
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Project Scope • Construct new center platform • Remove and relocate utilities to allow for construction of new
pedestrian underpass
• Construct new Downtown Plaza at Airport Boulevard and Grand Avenue
• Construct shuttle pick-up/drop-off area on Poletti Way
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Original Construction Contract Schedule and Budget • Contract advertised April 2017 to maintain PCEP Schedule • Contract awarded in August 2017 • Construction Contract = $32.2 million with 10% Contingency
• $1.5 mil on behalf of Electrification (OCS Foundations) • Construction began in January 2018 • Contract completion intended for June 2019
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Utility Relocation Work
Red = Existing Utility; Same location as Underapss Green = Relocated Utility; Away from Underpass
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Project Challenges
• Portion of Work is adjacent to active rail yard, requiring increased coordination with both commuter and freight operators
• Utility Relocation and Station Construction cannot be done concurrently.
• Work activities need to be coordinated with Peninsula Electrification Project. Planned activities may need to be modified to allow activities to be done concurrently.
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Working Adjacent to Active Rail Yard
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Utility Relocation Work
• Three different utilities need relocation • Requires large temporary excavation support • Limits areas to stage and store materials
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Underpass Construction
• Precast box installation • Avoid activity during utility relocation and wet
season (Estimated Duration = 7mos)
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Renderings of Completed Station
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Center Platform, Looking North
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Renderings of Completed Station
Downtown Plaza, Looking East
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Summary
• Request to increase Contract Authority by $3,403,000, making Total Contract Authority $38,798,555.
• Revised Contract End Date is August 2020.
• Project likely to return for more Budget Authority
• Suspension of Station Construction to allow Utility Relocation:
• Minimizes daily time related costs since Contractor will deploy resources to Tunnel 1 and 4 while Utilities are relocated.
• Retains key Contractor staff to complete Station Construction once Tunnel 1 and 4 project is complete.
• Maximizes work areas for utilities to perform relocation work.