25 th Avenue Grade Separation. December 13, 2017

Transcription

1 25 th Avenue Grade Separation December 13, 2017

2 Agenda I. Overview II. III. IV. Project Description Project Benefits Project Construction V. Next Steps VI. Questions 2

3 Overview

4 Project Location 4

5 E. 25 th Ave Railroad Crossing 92 Caltrain trains each weekday use this crossing, in addition to freight Lack of grade separation increases delays along corridor 5

6 Project Description

7 Project Elements Construct Grade Separation (elevated rails, lowered roads) between Hillsdale Blvd and Highway 92 Concrete bridge 25 th & 28 th Ave Steel bridge at 31 st Ave Concrete retaining walls MSE walls 7

8 Elevated Track 8

9 Grade Separation (25th Ave) 9

10 East-West Connection (28th Ave) 10

11 East-West Connection (31st Ave) Ramp Access to Ped Viaduct 11

12 Relocated Hillsdale Station 12

13 Station Improvements 13

14 Station Improvements Mosaic Wall Station Signage 14

15 Station Improvements Stairway Entrance to Platform 15

16 Station Improvements - Platform New Station Platform, Shelters, Lights 16

17 Station Improvements - Furnishings 17

18 New Hillsdale Station Access 18

19 Project Funding, in Millions Measure A $84 $74 City of San Mateo State Section 190 State HSR Prop 1A $10 $12 19

20 Project Benefits

21 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 21

22 Project Construction

23 Schedule: Overview Activity Date Mobilization Sept 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. 25 th Ave. (lane closures) Nov 2017 Oct 2019 Bridge at E. 25th Ave (14FT clearance) May 2018 Oct

24 Schedule: Overview cont. Activity Date Station Closed Dec 2018 May 2019 Road Completed 28 th Ave May 2019 E. 25 th Ave. Closure (full) Oct 2019 Dec 2019 Roads Completed Oct st Ave Dec th Ave Project Completed Jan

25 Schedule: Night Work Overview Activity Temporary Sheet Pile Shoring Cast-in-drilled-hole pile construction Date Nov 2017 Dec 2017 Nov 2017 Feb 2018 MSE walls Feb 2018 July 2018 Bridge March 2018 July 2018 Final Track Cutover Nov

26 Existing Hillsdale Station Temporary Parking Lot Temporary Parking Lots Construction Activities 26

27 Hillsdale Station Closure Enhanced train service provided at Belmont Station Enhanced Samtrans bus and shuttle service provided between Hillsdale and Belmont Stations 27

28 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 28

29 Example Lane Closure: 25th Ave 29

30 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

31 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)

32 Construction Impacts / Mitigation Single tracking trains Shoring Work o Pre-drilling (will also occur during day) o Different equipment obtained Pile Work: Additional crew/equipment

33 Next Steps

34 Construction Notices Example of mailed notice 34

35 Public Outreach & Community Engagement Project website: Construction Outreach Hotline: Regular Updates and Public Meetings Prior to Station Closure Prior to Street Closure

36 36

37 Contact Construction Information Service Information Office of Public Affairs Phone: Customer Service Department Phone: San Carlos Avenue PO Box 3006 San Carlos, CA

38 Questions