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25th Avenue Grade Separation
JPB Board April 4, 2019 – Agenda Item#10
Agenda
I. Project Need, Benefits & Description II. Construction – Construction Status – Construction Challenges III. Contract and Budget
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25 th Avenue Grade Separation JPB Board April 4, 2019 Agenda - - PowerPoint PPT Presentation
25 th Avenue Grade Separation JPB Board April 4, 2019 Agenda - - PowerPoint PPT Presentation
25 th Avenue Grade Separation JPB Board April 4, 2019 Agenda Item#10 Agenda I. Project Need, Benefits & Description II. Construction Construction Status Construction Challenges III. Contract and Budget 2 Project Need,
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Project Need, Benefits and Description
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Project Location
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- E. 25th Ave Railroad Crossing
- 92 Caltrain trains each weekday use this
crossing, in addition to freight
- No. 8 on California Public Utilities Commission
(CPUC) priority list for railroad crossing safety.
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Project Benefits
- Enhanced East-West connectivity
- Improved pedestrian and motorist safety
- Improved traffic flow
- Fewer system-wide delays
- Support Caltrain electrification
- Improve Customer experience with new Station
- Enable future California High Speed Rail
(CAHSR)
- Safe rail operations
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Factors Driving Award Date
- Coordination with Peninsula Corridor
Electrification Project (PCEP) required expedited Contract award: – Foundations Constructed as part of 25th Grade Separation (GS). – Poles and wires installed by PCEP
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Risk Factors at Award
- Fiber Optic relocation was pending resolution
- f negotiations with Union Pacific Railroad
(UPRR)
- Funding from CAHSR was pending
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Contract Award
- Contract Awarded to Shimmick Disney JV July
2017 for $ 82,890,000
- Original Completion Date Jan. 2020.
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Project Funding, in Millions
$74 $12 $10 $84
Measure A City of San Mateo State Section 190 State HSR Prop 1A
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$ 180 Project
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Project Elements
Construct Grade Separation (elevated rails, lowered roads) between Hillsdale Blvd and Highway 92
- Five bridges
- Approx. 1 mile of Mechanically
Stabilized Earth (MSE) Wall
- New elevated station at Hillsdale
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Elevated Track
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East-West Connection (28th Ave)
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Relocated Hillsdale Station
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Construction - Status
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Progress
- Bridges
– Beresford Creek Bridge Complete – Four (4) remaining Bridges substructure complete; superstructure ongoing.
- Wall Construction
– North of 25th Complete this month – Betwn 25th and 28th Ongoing
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Bridges
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MSE Wall
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Construction - Challenges
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Project Impacts
Utility Relocation – Major Utility relocations by Utility Companies, including:
- Fiber Optic Duct Bank
- PGE Gas Line
- ATT Communication Duct Bank
Station – Relocation and opening delayed by 10 months, with an anticipated opening of June 2020
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Impacts Due To Fiber Optic
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Working Around Live Fiber
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PG&E Gas Line Relocation
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AT&T
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Weather Impacts
2018-2019 “Atmospheric Rivers”
- Caused Project Delays due to excess
rain days
- Created significant stormwater flows
requiring substantial dewatering
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Weather Impacts
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Contract and Budget
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Contract and Budget
- All impacts from the Fiber Optic delay in 2018 have
been addressed and the project schedule has been re-baselined.
- Fiber Optic delays continued through March 2019.
Total Project Delayed up to 12 months. Current Anticipated Completion Date of January 2021.
- Return to this board with a recommendation to:
increase Contract Authority; No additional budget needed
- No current impact to PCEP
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Questions
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Grade Separation (25th Ave)
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East-West Connection (31st Ave)
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