October 7, 2025 Item No. 4-25-948
Item 4, Update on the Santa Clara Valley
Transportation Authority's BART Silicon Valley Phase
Il Extension Project and Action on a Revision to the
West Portal Early Works Construction Transportation
Management Plan for the Project
VA October 7, 2025
Santa Ciara Valley
Transportation
Authority
Solutions that move you
CURRENT aa of October 2025 - FOR DISCUSSION OMLY
Agenda
1. Project Overview / Update
2. Early Construction Activities at West Portal / Newhall Yard - Construction Transportation Management Plan (CTMP)
- CTMP Amendment
- Outreach
- Construction Update
3. Recommendation
2 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal
POST MEETING MATERIAL
October 7, 2025 Item No. 4 - 25-948
1. Project Overview /
Update
3 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal VTA's BART Silicon Valley Program
Phase I Extension
• 10-mile extension
EAST BAY - Phase I! BART Service
• pand Existing BART Service
Two stations
- Existing Caltrain Service
- - Existing Light Rail and Rait Service
BART service started in 2020
SAN FRANCISCO OAKLAND
Phase II Extension
- Dublin/Pleasanton
Oakland
6-mile extension (5-mile subway) Internationa
Airport (OAK)
• Four stations Daly City
San Francisco BART SILICON VALLEY
PHASE II EXTENSION PROJECT
• Newhall Yard & Maintenance Facility : International Airport (SFO)
Millbrae
Berryessa/North San Jose
PENINSULA 28th Street/Little Portugal
Santa Clara Downtown San José
Diridon SAN JOSÉ
Ringing the Bay with fast, frequent transit
4 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
Phase |I Extension
berryessa Norh
Sad Jose BART Stabon
LAS PLUMAS
Santa Clara
HYDE PARK
SAN JOSE MINETA LUNA PARK
BART Station
INIEKNAIIORAL
AIRPORT
East Tunnel Portal
Newhall Yard & NORTHSIDE
CVIC CENTER
Maintenance Facility
28th Street /
NAPANTON
Little Portugal
BART Station
West Tunnel Portal
Downtown
Diridon San José ESanta Clara St
BART Station BART Station
CITY SANTA CLARA.
CITY OF SAN JOSE * LEGEND:
ALAMEDA
• Phase I (Complete)
ROSE GARDEN Phase II Ground-Level
DOWNTOWN = Phase Il Subway
SAN JOSE
Tunnel Portal Opening
Maintenance Facility
DIRIDON
5 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Major Milestones YA
• West Portal Groundbreaking
Ceremony: Friday, June 14, 2024
• FTA's New Starts federal funding
commitment of $5.1 billion
announced: August 2, 2024
Second largest Full Funding Grant
Agreement in FTA's Capital
Improvement Grant Program history
• State grant award of $100 million
announced: June 27, 2025
CEIL
6 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
Project Funding
Progress on Addressing
FTA New Starts
Funding Gap* $5.098B
TBD*
$600M
• Refining Cost Savings Available Local State - CTC
- Measure A $100M
$502M - Regional - RM3
• Exploring additional non-local $375M
funding sources
-State - TIRCP
Local $750M
$4.574B
-State - Other
$750M
CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Cost Saving Efforts YA
Identify and screen cost saving ideas within an established framework and guardrails August 2024 - December 2024
• Key Areas Explored for Cost
Level 1 Savings
• Design Criteria & Requirements
December 2024 - March 2025 • Systems Design
• Station Size/Design
Level 2
• Parking Garages
• Newhall Yard
March 2025 - August 2025
• Tunnel Size/Configuration
Level 3 • Concurrent Tunneling
• Contract Packaging 8
CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
Refinements at Santa Clara BART Station
• Provided station canopy structural efficiency and maintained Orchard Pavillion Concept per Design Review Committee feedback
• Use of cost-effective station materials
• Implemented systems efficiencies to optimize equipment layout and reduce station infrastructure facilities (SIF) footprint • Implemented refinements within the Newhall Yard
• the co-located BART patron parking converted from a 500 space parking garage on top of SIF and storage tracks to 500 surface parking spaces
9 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Future Santa Clara Station
time Dadamar
Undercrossing
Sador
Newhall Yard/
Maintenance Facility
Station Entrance 6 Exit
Slation
Stanon Plattorm (Cround 1 eupli
Wondo Way
Al-Grade Station Facilities &
Parking Carage
Station Plaza
Restoms
Bike Station
Construction & Staging Area
lunder concheation
Newhall Yard &
Maintenance Facility
Tempcrary and intermitten lane
closures exacted in Caratrucian
10 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4-25-948
BSVIl Path Forward
04 2024 2025 2026 2027 2029
Cost Saving 23 202 Configuration Design 60%
Design Concepts Design
Milestones ~15%
04 2024 Advance Design
03 2026 Orwarts
Early Works
Construction
Authorizel Authorize/Mobllize
Construction Ongoing Moblize Earty
Activities Tunnel Contractor
Works
Launch Stucture Mobilization 02/03 2027 02/03 2025
04 2024
Reviews with Auditor General, Community,
Engagement i Stakeholder Enangement on Ci Peer Review Project Updates and Engagement with Stakeholder Effort Ings & Prolect Configurati 03 2025 03 2026 Отмаго 04 2024-- 02 2026
) Earty Warks Package: (congraton, or, sherments
) Cost Saving Concept
Revised Project 72 2026 Award Tunnet
VIA Board
CP2 Stage 2 Configuration Package
Decisions Earty Works Package Anticipated CEQA 02 2027
3C (Launch Structure) Addendum Approval
042024 03 2026
FTA Value
FTA Enginsering
Workshop 13 202ted NEA Re-evaluation Approval
Milestones Q4 2024 Anticipatel
FIA/PMOC Risk Assessment FFGA
02 2027
03 2026
Project Schedule
~ We are here Target
Revenue
Service
Early Works
Major Project Construction commissing Contingency
Construction
2024 2025 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 FTA Project
Delivery Deadline
Based on preliminary schedule for planning purposes.
12 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
2. Early Construction
Activities at West Portal /
Newhall Yard
13 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Early Works at the West Portal / Newhall Yard ·A
- Construction Staging Area (CSA) I West PortalTunnel Bor chine (TBM) SH
( Construction Vehicle Access
•I Grout Plant
* Employee Vehicle Access
El Tunnel Lining Factory CAMPHILL AVE
• Site Offices
• Tunnel Lining Storage
Employee Parking
- Sound Curtain
• Excavated Materials Bin
*** Courtesy Screen
WONDO WAY
coleman Gateway
Belling Going
PayPal
THALL DE Park
COLEMAN AVE
City Council Approved VTA's BART Phase II Project's West Portal Early Works Construction Transportation Management Plan (CTMP) on June 6, 2023 14 October 7, 2025 Item No. 4 - 25-948
Construction Transportation Management Plan
The Construction Transportation Management Plan (CTMP) will be used "to coordinate location-specific circulation and access within and around the construction areas for all modes, including automobiles, trucks and construction vehicles, bicyclists, pedestrians, and public transportation, such as buses and light rail."
02 , VA • Engagement with adjacent
Stakeholder businesses and institutions
Engagement • Regular coordination meetings
• Regular coordination meetings Contractor- throughout development to throughout development provide input
VTA-City
• Review of Draft Coordination
Contract-Specific CTMP
01 Community • Draft Contract-Specific
Engagement 03 CTMP presented for input
and consideration
15 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal CMP Amendments
1. Extension of Nighttime Operations
- Additional two work hours Monday
through Saturday from 4 AM to 6 AM
CTMP/ Approved CMP
2. CTMP
Sunday Work (As-Needed) Hours/Days Amendment
(06/2023)
- On-site activities with minimal potential Work Hours* 6AM to 4AM 6AM to 6 AM impacts on surroundings Monday
Monday through
- No truck hauling Work Days through Saturday + Sunday** Saturday (as-needed)
- 6 AM to 6 PM
16 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
Noise and Vibration Mitigations
The Project complies with federal noise & vibration limits and protocols to mitigate levels beyond those limits.
Monitoring Systems
> Devices to track noise & vibration automatically and continuously 3000000000 • Manual tests during peak noise & vibration-generating activities GEEEEEEEEEE Mitigations
• Limiting select activities (construction equipment and operations) during nighttime and weekends
17 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Construction Best Practice: Dust
Dust Controls
• Covering or moistening trucks carrying loose materials • Removing all visible mud/dirt on adjacent public roads • Suspending dust-intensive activities in high winds
> Installed screening around the site
BARE SHICON VALEY Santa Clara Station YA
Santa Clara Station
Screening on fences at Santa Clara Station & Newhall Yard Wheel Wash Keeps our Streets Clean 18 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
Outreach & Stakeholder Engagement YA
Briefings with Key Stakeholders
• Meetings with Hunter Partners, Holland
Partners, PayPal Park, Costco, Apple, and Santa
Clara University
• Shared proposed changes to working hours (6 AM
to 6 AM) Monday through Saturday, and Sunday if
needed; No major concerns flagged
• Quarterly Community Working Group meetings
24-Hour Project Hotline
• No nightwork noise complaints
• One evening residential light complaint that was
immediately rectified
Senior staff from San Jose and
Santa Clara
19 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Outreach & Stakeholder Engagement
Engagement Activities & Neighborhood Meetings
• Santa Clara University Career Fair
• Encanto & Altura Homeowners Association Join the
growing
• Orlo Property Management & Tenants Meeting ITA team
• Newhall Neighborhood "Coffee in the Park"
Construction Notifications
• Direct mail postcard 1,000 feet from Newhall Yard &
Maintenance Facility
• Distributed construction notices for 24-hour West Portal work and start of soil excavation via email and website • Emailed & published Monthly Construction Updates
• Posted on BSVII Social Media
20 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
West Portal / Newhall Yard Construction Progress
Construction Activities (commenced April 2024):
• Site preparation:
• grading
• utility installation
• field office
o construction of access roads
• Noise curtain installation
• Groundwater dewatering to excavate for launch structure • Support of Excavation (SOE)
• Construction of tunnel launch structure:
• guide walls for underground support
install Y-shaped concrete panels, to form underground
support wall
Nighttime Construction Activities (commenced June 2025):
• Construction of deep concrete walls underground to hold back water and soil, involving trench excavation, slurry installation, and concrete pours
21 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Response to Community Feedback
• Recent modification
and improvements
based on community
feedback
• Mobile sound curtain
installed on impact pile
machine
• Further reduces noise
of work below required
monitoring threshold
Additional sound curtain adjacent to work being performed Valley
• Transportation
Authority 22
CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
West Portal / Newhall Yard Construction Progress
Mass Excavation of Launch
Structure Began Week of
June 8 Excavation of "Tunnel Eye" - Wall
Where Tunnel Boring Machine Will
Start Boring
Crane with "grab" Excavating Panels Test Lift of Rebar Cage for Launch Structure Support Wall 135' High Tripping
Tripping Frame Frame
Concrete Placement
Valley
Transportation for Support Walls
Authority 23
CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal Early Construction Schedule
2024 2025 2026 2027
May! Jun Jul Aug Sept Oct Now May Jun Jul Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Jut Aug Sept Oct Nov Dec Jan Feb Mar Apr May Jun Ju Early Works Project Stages 1-4 Duration: 39 Months
STAGE 1
6 Months:
Site Grading STAGE 2
9 Months:
Site Development STAGE 3
13 Months
recast Plant & TBM Segment Storage Are
STAGE 4
27 Months (Originally 19 Months)
TBM Shaft and Muck Bin Excavation
i
24 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal October 7, 2025 Item No. 4 - 25-948
3. Recommendation
25 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities a Recommendation
1. Approve the Revision to the West Portal Early Works Construction Transportation Management Plan for the VTA's BART Phase II Extension Project in the form presented
Authorize the City Manager or designee to approve minor modifications, such as annual updates or supplemental plans, to the CTMP, if needed.
26 CURRENT as of October 2025 - FOR DISCUSSION ONLY - Early Construction Activities at West Portal