west seattle and ballard link extensions - sound transit · 2019. 5. 23. · final design...
TRANSCRIPT
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West Seattle and BallardLink Extensions
Board meeting | May 23, 2019
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West Seattle & Ballard Link Extensions
Motion No. M2019-51
Identifying Alternatives for DEIS
23 May 2019
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New approach to project development
*Sound Transit Board identifies preferred alternatives
and other alternatives to study in the EIS
System planning
Alternatives development
Permitting
Environmental process
ROW acquisition
Final design and construction
Alternatives development
Environmental process
Final design
Permitting
ROW acquisition
Construction
Representative
projectPreferred
alternative*
ST3 process
ST2 process
Preferred
alternative
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City of Seattle Partnering Agreement
4
Partnering agreement executed
December 2017
Identifies project schedule
milestones including:
Board identification of preferred
alternative: Q1/Q2 2019
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What is a preferred alternative?
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SEPA / NEPA term
Makes clear to public where project is headed
“Preference” among alternatives to be considered
Not a final decision or obligation
Board to also identify other DEIS alternatives in
coordination with FTA
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Screening process
Preferred Alternative(s) and other EIS alternatives
Refine remaining alternatives
Furtherevaluation
Broad range of initial alternatives
6
Level 1
Level 2
Level 3
EIS
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Today’s Board action
7
Identification of preferred alternative and other EIS alternatives
informed by:
• Technical evaluation results presented publicly during
the scoping period
• Public feedback gathered during scoping period and
documented throughout the year
• Racial Equity Toolkit, including findings from evaluation
results and community input
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Community engagement and collaboration
8
Early
Scoping
Period
EIS
Scoping
Period
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External engagement overview During Alternatives Development Phase: Jan 2018 – April 2019
5,600+
25 email updates
26
14 Stakeholder Advisory Group meetings
9
fairs, festivals, tabling events 7 Elected Leadership Group meetings
189 community briefings
17open houses, forums, workshops 3 online open houses
comments and questions
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System Expansion
Committee
recommendations
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Preferred alternative
Other DEIS alternatives
Need further assessment
System Expansion Committee Preferred alternative
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Preferred alternative
Other DEIS alternatives
Need further assessment
System Expansion Committee Other DEIS alternatives
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Preferred alternative
Other DEIS alternatives
Need further assessment
System Expansion Committee Need further assessment
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West Seattle
(Avalon and Junction)
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Elevated options in Alaska
Junction result in higher
guideway in Delridge
More business effects
with elevated guideway
along Fauntleroy
North-south oriented
41st elevated station has
more residential effects
East-west oriented
41st elevated station
complicates future
extension southLess business and
residential effects
with 41st, 42nd and
44th tunnel stations
41st elevated station
(east-west orientation)-
41st elevated station
(north-south orientation)-
41st, 42nd or 44th tunnel
stations+$700M
Key differentiators West Seattle (Avalon and Junction)
Comparative estimates greater than ST3 Representative
Project are shown in italics
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Scoping feedback West Seattle (Avalon and Junction)
Concerns about potential residential
displacement and neighborhood
impacts in the Junction with
elevated alignment and station
General support
for tunnel
Some interest in
consolidating Avalon and
Alaska Junction stations
General support for Junction
station in 41st/42nd vicinity
“Stay out of Junction”
if elevated
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West Seattle (Avalon and Alaska Junction)
Support for retaining Avalon Station, but continue to evaluate potential
cost savings opportunities including consolidating stations and
implications for ridership
Support for looking for opportunities to minimize community impacts
and create high quality transfer environment for both Avalon and
Alaska Junction station locations
Support for underground alignment to support TOD potential
Support for a modified ST3 Representative project (Alaska Junction
station oriented North/South and staying east of the Alaska Junction on
Fauntleroy or in the vicinity of Jefferson Square)
17
ELG discussion
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ELG recommendations West Seattle (Avalon and Junction)
41st or 42nd tunnel
41st/42nd and Fauntleroy
elevated station options
(oriented north/south and
staying east of the Junction)41st and 42nd tunnel
station options
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Interbay and Ballard
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15th Ave station
location is closer to
center of urban village
14th Ave station
location allows for
better bus integration
Movable bridge has most in-
water effects; most affects
Fishermen’s terminal
High fixed bridge has
some maritime
business effectsLess property
effects on 14th Ave
Tunnels avoid in-
water and maritime
business effects
Movable bridge crossing / Elevated station at 15th -
Fixed bridge crossing / Elevated station at 14th +$100M
Tunnel crossings / Tunnel stations at 14th or 15th +$350M
Key differentiators Interbay and Ballard
Comparative estimates greater than ST3 Representative Project are shown in italics
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21
Scoping feedback Interbay and Ballard
Little support for movable bridge
due to concerns about service
reliability and greater potential
maritime business, freight, and
in-water impactsInterest in station further
west in Ballard
Support for station at 14th to
lessen potential property
impacts and traffic/freight
impacts on 15th
Support for station at
15th as closer to center
of urban village
Concern about maritime business,
freight, and visual effects of elevated
crossing and station
More support for
tunnel crossing and
station; some
concerns about
tunnel cost
More support for
fixed bridge than
movable bridge
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Interbay and Ballard
General support for tunnel option across Salmon Bay
Interest in continuing to study the fixed bridge in the DEIS as an
elevated alternative to the tunnel option
Potential refinements to the Ballard Station should optimize bus/rail
integration and access to the Ballard urban village (such as improved
connections across 15th Avenue NW)
Mixed opinions about the new Tunnel with 20th tunnel station option
and requests for more information to inform Sound Transit Board
discussions – concerns about potential disruption to the neighborhood
and feasibility, but interest in serving Ballard further west with a tunnel
22
ELG discussion
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ELG recommendations Interbay and Ballard
High fixed bridge with
14th elevated station
Tunnel with 14th and 15th
tunnel station options
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Next steps
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Q3 Q4 Q1 Q2 Q3 Q4 Q1
Environmental Review
ST Board confirms
or modifies PA
WE ARE HERE 2019 2020 2021
EIS kickoff………………….
Conceptual Engineering ………
Develop DEIS …………………..
Station planning activities ……………
Publish DEIS and public
comment period ………………….………………….………………….…………….
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soundtransit.org/wsblink
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West Seattle & Ballard Link Extensions
DSTT Capital Improvements
Motion No. M2019-52
Contract modification with HNTB Corporation
23 May 2019
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28
Contract Modification
Lower
Performing
Medium
Performing
Motion No. M2017-119 Authorized Contract with HNTB
Option to modify contract for each phase of project
development
Scope
Phase 1: Alternatives Development – complete
Phase 2: Draft EIS and Conceptual Engineering – this action
Phase 3: Final EIS and Preliminary Engineering
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29
Phase 2 Scope
Lower
Performing
Medium
Performing
Draft EIS analysis and related design support
Advanced conceptual engineering and geotechnical analysis
Station planning and urban design
Permit streamlining, agency coordination
Community outreach and engagement
Study of potential improvements to existing Westlake Station
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F/D
Illustrative - Not to Scale
Approved Today’s Action Future Action
ALLOCATION $ COMMITMENTS
West Seattle & Ballard Link Extensions: Authorized Project Allocation $285.9M
Pro
ject
Dev
elo
pm
en
t
$2
85
.9M
Const.
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31
F/D
Illustrative - Not to Scale
Approved Today’s Action Future Action
ALLOCATION $ COMMITMENTS
West Seattle & Ballard Link Extensions: Board Approves Contract Amendment $59.9M (Total contract $60.3M)
Pro
ject
Dev
elo
pm
en
t
$2
85
.9M
Const.
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32
F/D
Illustrative - Not to Scale
Approved Today’s Action Future Action
ALLOCATION $ COMMITMENTS
DSTT Capital Improvements: Authorized Project Allocation $10M
Pro
ject
Dev
elo
pm
en
t
$1
0M
Const.
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33
F/D
Illustrative - Not to Scale
Approved Today’s Action Future Action
ALLOCATION $ COMMITMENTS
DSTT Capital Improvements: Board Approves Contract Amendment $0.4M (Total contract $60.3M)
Pro
ject
Dev
elo
pm
en
t
$1
0M
Const.
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SAG
recommendations
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35Summary of Level 3 alternatives
Segment
ST3
Representative
Project
West Seattle
Elevated/ C-ID 5th
/Downtown 6th/
Ballard Elevated
West Seattle
Tunnel/ C-ID 4th
/Downtown 5th/
Ballard Tunnel
Scoping
feedback
SAG
recommendation
West Seattle
(Avalon/
Junction)
41st elevated station
(east-west oriented)
41st elevated station
(north-south
oriented)/
41st, 42nd, or 44th
tunnel stationTBD
West Seattle
(Delridge)N of Andover station S of Andover station N of Genesee station
Pigeon Ridge
Tunnel or
Yancy/Andover
Duwamish
crossingSouth crossing South crossing North crossing
Pigeon Ridge
Tunnel alignmentTBD
SODO/
Chinatown-ID
E3 elevated /
5th shallow station
E3 at grade /
5th shallow or deep
station
E3 at grade /
4th shallow or deep
station
Elevate new and
existing SODO
station
TBD
Downtown 5th and Republican 6th and Mercer 5th and Harrison NA TBD
Smith Cove Prospect St station Galer St station Prospect St station NA TBD
Interbay/ BallardMovable bridge with
15th elevated station
High fixed bridge with
14th elevated station
Tunnel with 14th or
15th tunnel station
Tunnel with 20th
tunnel stationTBD
Segments with comparative estimates greater than ST3 Representative Project are shown in italics. Estimates not available for “Scoping feedback” suggestions.
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36
SAG Recommendation: If 3rd party funding is secured
Segment SAG recommendation Notes
West Seattle
(Avalon/Junction)41st or 42nd tunnel station
West Seattle
(Delridge)N of Genesee station
Pigeon Ridge Tunnel
(former purple line)
Support for Delridge station locations that are
farther south
Duwamish crossing South crossing
SODO/
Chinatown-IDMajority interest in studying all options
Downtown 5th and Harrison
Smith Cove Prospect St station
Interbay/ BallardTunnel with 15th tunnel
station
Tunnel with 20th tunnel
station
General support for tunnel crossing and serving
the Ballard urban village
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37
SAG Recommendation: If 3rd party funding not secured
Segment SAG recommendation Notes
West Seattle
(Junction)
Elevated station with
refinements
41st or 42nd tunnel station
with consolidated Alaska
and Avalon
Interest in a modified ST3 Representative Project
Alaska Junction station, oriented North/South
staying east of the Alaska Junction
West Seattle
(Delridge)N of Genesee station
Duwamish crossing South crossing
SODO/
Chinatown-IDMajority interest in studying all options
Downtown 5th and Harrison
Smith Cove Prospect St station Prospect St station
Interbay/ BallardMixed opinions, with interest in studying fixed
bridge and tunnel. No support for movable bridge.
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ELG
recommendations
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39ELG Recommendations Summary
West Seattle elevated
and tunnel options
CID station options
Smith Cove station
options
Ballard elevated and
tunnel options
Midtown to Westlake
alignment options
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40ELG Recommendations Comparative estimates
SegmentST3 Representative
Project
ELG recommendations
(low estimate)
ELG recommendations
(high estimate)
West Seattle
(Avalon/Junction)
41st elevated station
(east-west oriented)
Elevated station with refinements
(+$0)
41st, 42nd tunnel station
(+$700M)
West Seattle (Delridge) N of Andover stationStation north of Genesee with refinements
(+$0)
Station north of Genesee with refinements
(+$0)
Duwamish crossing South crossingSouth crossing
(+$0)
South crossing
(+$0)
SODO/CIDE3 elevated /
5th shallow station
E3 at grade /
5th shallow (-$200M) or deep station (+$0)
E3 at grade /
4th shallow (+$300M) or deep station (+$500M)
Downtown 5th and Republican5th and Harrison
(+$0)
5th and Harrison
(+$0)
Smith Cove Prospect St stationGaler St station
(+$100M)
Prospect St station
(+$200M)
Interbay/ BallardMovable bridge with 15th
elevated station
High fixed bridge with 14th elevated station
(+$100M)
Tunnel with 14th or 15th tunnel station
(+$350M)
Total - +$0 to +$200M +$1,550M to +$1,750M
Segments with comparative estimates greater than ST3 Representative Project are shown in italics
Does not include alternatives suggested during EIS Scoping as comparative estimates are not available
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41Third party funding