caltrain electrification update - calmod · 10/10/2019 · future construction sunnyvale *expected...
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Sunnyvale Community Meeting
October 10, 2019
CALTRAIN ELECTRIFICATION
UPDATE
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AGENDA
• Caltrain System Overview
• Project Overview
• Sunnyvale Construction Activities
• Questions
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CALTRAIN SYSTEM• 32 Stations Gilroy to
San Francisco
• 92 Weekday Trains
• At-Grade Crossings,
Viaducts, and
Bridges
• Intermodal
Connections
• Bike Commuters
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PROJECT DESCRIPTION
• 51 miles
• San Francisco to San Jose
(Tamien Station)
Electric Trains*
• 19 7-car train sets
• 133 electric cars
*Includes 2018 State TIRCP
Funding
Project Area Project Elements
Electrification
• Overhead Contact
System (OCS)
• Traction Power
Facilities
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PROJECT DESCRIPTION
Speed
• Up to 79 mph
Service Increase
• 6 trains / hour / direction
• More station stops /
reduced travel time
• Restore Atherton &
Broadway service
Service Elements
Mixed-fleet Service
(interim period)
Continue Tenant Service
• ACE, Capitol Corridor,
Amtrak, Freight
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PROJECT BENEFITS
Improved Train
Performance,
Increased Service
and Greater Capacity
Improved Regional Air
Quality and Reduced
Greenhouse Gas
Emissions
Positive Economic
Benefits for the
Region
Increased Revenue
and Reduced
Fuel Cost
Reduced Engine
Noise Emanating
from Trains
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SCHEDULE
* Note: Schedule subject to change
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CONSTRUCTION PHASING
• 51 Miles Corridor
• 4 Work Segments
• 3,000 Poles
• 10 Traction Power
Facilities
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SUNNYVALE
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FIELD WORK PROGRESSION
Work Completed • Utility Survey
• Geotechnical Investigations
• Disposal of Soil from Geotechnical Investigations
• Soil Resistivity Testing
• Site Surveys
• Signal Cable Inspections
Work In Progress • Tree Pruning/Removal
• Potholing
• Paralleling Station
Future Work • Foundation Installation
• Pole Installation
• Wire Installation
• Bridge Barrier Construction
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FUTURE CONSTRUCTION
Sunnyvale
*Expected completion period indicate first and last day of activity.
Number of actual workdays will be fewer.
Date Work ActivityExpected
Completion*
In Progress Tree Pruning/Removal Early 2020
In Progress Potholing Late 2019
In Progress Paralleling Station Construction Early 2020
In Progress Foundation Installation Late 2019
Late 2019 Pole Installation Summer 2020
Early 2020 Wire Installation Summer 2020
Early 202 Bridge Barrier Installation Summer 2020
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FOUNDATION CONSTRUCTION
• Excavation
• Rebar and Anchor Installation
• Electrical Grounding
• Concrete Fill
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FOUNDATION INSTALLATION
On Track Equipment
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POLE INFORMATION
• 3,000 Installed throughout Corridor
• Approx. 250 poles in Sunnyvale
• Pole Height: 30-50’
• Pole Spacing: ~180’ apart
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Example of Poles Planned for Use in Sunnyvale
Two Track CantileverSingle Track Cantilever
POLE TYPES SUNNYVALE
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Example of Poles Planned for Use in Sunnyvale
PortalsCenter
POLE TYPES SUNNYVALE
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POLE INSTALLATION
Current Pole Installation
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On-track Equipment
STRINGING WIRE
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• 10 Traction Power Facilities Installed throughout Corridor
– 1 Paralleling Station installed in Sunnyvale
– Gantry structures up to 50’
• Provides electrical power to trains through the Overhead
Contact System
• Unmanned station
• Day and weekend construction work
• Limited night work during construction
TRACTION POWER FACILITIES
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PARALLELING STATION LOCATION
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EXAMPLE PARALLELING STATIONS
Examples from Amtrak Northeast Corridor
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PARALLELING STATION
CONSTRUCTION
Sunnyvale Paralleling Station Construction site
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BRIDGE BARRIERS
• Ensure the safety of pedestrians
and electrical infrastructure
• Will be installed at:
– Mathilda Avenue
– Fair Oaks Avenue
– Wolfe Road
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BRIDGE BARRIERS
9’6” fence height required for pedestrian bridges
Polycarbonate Panel
Screen Mesh
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CONSTRUCTION INFORMATION
• Work will occur during day and night
• Some 24 hour weekend work
• Crews will utilize acoustical barrier blankets and
position lights away from homes
• Dedicated hotline for construction complaints
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PUBLIC OUTREACH
Factsheet
Postcard
Doorhanger Public Meeting
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PUBLIC OUTREACH
• Subscribe to Weekly Updates
– Visit www.calmod.org/get-involved
• Social Media
• Construction Outreach Office
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WHAT’S NEXT
• Caltrain Business Plan
– Caltrain2040.org
• High-Speed Rail Blended System
– hsr.ca.gov
• Caltrain Downtown Extension
– sftca.org/transbay-transit-center
• Diridon Concept Plan
– DiridonSJ.org
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