25 th Avenue Grade Separation December 13, 2017 Agenda I. - - PowerPoint PPT Presentation

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25 th avenue grade separation december 13 2017 agenda i
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25 th Avenue Grade Separation December 13, 2017 Agenda I. - - PowerPoint PPT Presentation

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25 th Avenue Grade Separation December 13, 2017 Agenda I. Overview II. Project Description III. Project Benefits IV. Project Construction V. Next Steps VI. Questions 2 Overview Project Location 4 E. 25 th Ave Railroad Crossing

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25th Avenue Grade Separation

December 13, 2017

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Agenda

I. Overview II. Project Description III. Project Benefits IV. Project Construction V. Next Steps VI. Questions

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Overview

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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

  • Lack of grade separation increases delays

along corridor

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Project Description

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Project Elements

Construct Grade Separation (elevated rails, lowered roads) between Hillsdale Blvd and Highway 92

  • Concrete bridge 25th & 28th Ave
  • Steel bridge at 31st Ave
  • Concrete retaining walls
  • MSE walls

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Elevated Track

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Grade Separation (25th Ave)

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East-West Connection (28th Ave)

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East-West Connection (31st Ave)

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Ramp Access to Ped Viaduct

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Relocated Hillsdale Station

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Station Improvements

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Station Improvements – Mosaic Wall

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Station Signage

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Station Improvements

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Stairway Entrance to Platform

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Station Improvements - Platform

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New Station Platform, Shelters, Lights

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Station Improvements - Furnishings

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New Hillsdale Station Access

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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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Project Benefits

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Project Benefits

  • Safe rail operations
  • Fewer system-wide delays
  • Improved traffic flow
  • Improved pedestrian and motorist safety
  • Facilitate Caltrain electrification which will

reduce noise and vibration

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Project Construction

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Schedule: Overview

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Activity Date Mobilization Sept 2017 - Oct 2017 Begin Construction Oct 2017 Hillsdale Station Temp Parking (available for public use) Oct 2017 – Dec 2018 Bridges and MSE Walls Nov 2017 – Mar 2019

  • E. 25th Ave. (lane closures)

Nov 2017 – Oct 2019 Bridge at E. 25th Ave (14FT clearance) May 2018 – Oct 2019

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Activity Date Station Closed Dec 2018 – May 2019 Road Completed – 28th Ave May 2019

  • E. 25th Ave. Closure (full)

Oct 2019 – Dec 2019 Roads Completed Oct 2019 – 31st Ave Dec 2019 – 25th Ave Project Completed Jan 2020

Schedule: Overview cont.

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Activity Date Temporary Sheet Pile Shoring Nov 2017 – Dec 2017 Cast-in-drilled-hole pile construction Nov 2017 – Feb 2018 MSE walls Feb 2018 – July 2018 Bridge March 2018 – July 2018 Final Track Cutover Nov 2018

Schedule: Night Work Overview

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Existing Hillsdale Station Temporary Parking Lot

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Temporary Parking Lots Construction Activities

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Hillsdale Station Closure

  • Enhanced train service provided at Belmont

Station

  • Enhanced Samtrans bus and shuttle service

provided between Hillsdale and Belmont Stations

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Hillsdale Station Closure

  • Passengers who drive, get dropped off or

use transit  use Belmont Station

  • Passengers who walk to Hillsdale  take

Samtrans bus (ECR Line) or shuttle to Belmont Station

  • Shuttle schedule will match enhanced

train schedule

  • Shuttle pick-up location at east triangular

lot

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Example Lane Closure: 25th Ave

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Work Hours

  • Majority of construction activities will take

place Mon-Fri during the day

  • Certain construction activities require work to

be completed at night or on weekends when there is reduced or no revenue train service

  • JPB will notify community in advance of

nighttime and weekend work

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Potential Impacts during Construction

Noise and Vibration Impacts:

  • Temporary: Only during

construction

  • Construction equipment and

procedures selected to monitor noise and vibration impacts

  • Noise monitoring station at

Peninsula Station (2901 ECR)

(Not to Scale)

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Construction Impacts / Mitigation

  • Single tracking trains
  • Shoring Work
  • Pre-drilling (will also occur during day)
  • Different equipment obtained
  • Pile Work: Additional crew/equipment
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Next Steps

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Construction Notices

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Example of mailed notice

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Public Outreach & Community Engagement

  • Project website:

www.caltrain.com/25thGS

  • Construction Outreach Hotline: 650.508.7726
  • Email: SMGradeSep@Caltrain.com
  • Regular Updates and Public Meetings
  • Prior to Station Closure
  • Prior to Street Closure
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Contact

Construction Information Service Information

Office of Public Affairs Phone: 650.508.7726 Customer Service Department Phone: 800.660.4287 1250 San Carlos Avenue PO Box 3006 San Carlos, CA 94040-1306 www.caltrain.com/25thGS

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Questions