U S Department of Transportation Federal Transit Administration

U. S Department of Transportation Federal Transit Administration Stride – Bus Rapid Transit (BRT) Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Stride Bus Rapid Transit (BRT) 1 -405 Lynnwood to Burien SR-522 S. Shoreline to Bothell PROJECT DETAILS • • Mode: Bus Rapid Transit Program Cost: $1. 8 billion (in 2018 $) Length: • I-405: 38 miles • SR-522: 8 miles 40 Stations: • SR-522: 19 stations • I-405: 21 stations Ridership: • I-405: 25, 000 daily riders in 2040 • SR-522: 8, 000 to 10, 000 daily riders in 2040 Delivery Method: • Design Bid Build (alignment) • Design Build (facilities) Delivery Date: Q 4 2024 Insert project picture 2

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 I-405 / SR-522 Bus Rapid Transit Program (BRT) North / East ST HCT Corridors KEY ISSUES AND CHALLENGES • Delivering all BRT components required to operate service on S 1 line prior to Q 4 2025 • Coordinating various project scopes and delivery with various government entities • SR-522: 6 cities • I-405: 8 cities • WSDOT • Reaching design, implementation, and operational agreements with various: • AHJs / local cities • WSDOT • Transit partners: 2 agencies 3

U. S Department of Transportation Federal Transit Administration Downtown Redmond Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Downtown Redmond Link Extension Redmond – Seattle - Lynnwood PROJECT DETAILS • • Mode: Light Rail Cost: $1, 500, 000 Length: 3. 4 miles Stations: 2 Stations Project Ridership: 7000 - 9000 (2040) Delivery Method: Design-Build Completion Date: 2024 Insert project picture 5

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Downtown Redmond Link Extension Redmond – Seattle - Lynnwood KEY ISSUES AND CHALLENGES • • • Safety risks with elevated work and work adjacent to highway Timeliness of 3 rd party design reviews and permitting Utility relocations by third parties Timely delivery of all construction permits from jurisdictional partners Discovery of undisclosed utilities Discovery of archaeological findings Highway and local street impacts during construction Timely property acquisition Environmental protection of sensitive areas Discovery of unsuitable subgrade conditions (DSC) Testing and commissioning is concurrent with other Sound Transit projects 6

U. S Department of Transportation Federal Transit Administration East Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 East Link Extension Seattle to Redmond PROJECT DETAILS • • Insert project picture Mode: Light Rail Cost: $3. 67 billion Length: 14. 85 miles Stations: 10 + 2 garages Project Ridership: 50 -80 k Delivery Method: DBB, DB, CM at Risk Completion Date: 2023 8

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 East Link Extension Seattle to Redmond KEY ISSUES AND CHALLENGES • • • Resolution of COVID-19 related claims Civil/systems shared access Late emerging design changes Code deficiencies in completed DB parking structure Permit closeout issues Power supplier infrastructure requirements 9

U. S Department of Transportation Federal Transit Administration Federal Way Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Federal Way Link Extension Sea. Tac to Federal Way, Washington PROJECT DETAILS • • Light Rail $3. 160 Billion 7. 8 Miles 3 Stations 36, 500 Daily Ridership (2035) Design Build 2024 Completion Date Insert project picture 11

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Federal Way Link Extension Sea. Tac to Federal Way, Washington KEY ISSUES AND CHALLENGES • Design Review/Approvals not completed timely by Authority Having Jurisdiction • Undisclosed Utilities discovered during construction may delay construction • Known third-party utility relocation may not occur as scheduled potentially delaying construction • Owner initiated changes; timeliness to resolve fairly and equitably • Conditionally-Accepted Alternative Technical Concepts; resolving fairly and equitably • Contaminated material and ground water remediation encountered during construction • Unsuitable subgrade conditions (Differing Site Conditions) may be found during construction • Items may be needed at end of construction above current expectations 12

U. S Department of Transportation Federal Transit Administration Hilltop Tacoma Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Hilltop Tacoma Link Extension Tacoma, WA PROJECT DETAILS • • Light Rail $252. 7 M 2. 4 miles Seven platforms 2, 000 – 4, 000 riders by 2026 Issue for Bid May 2022 Insert project picture 14

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Hilltop Tacoma Link Extension Tacoma, WA KEY ISSUES AND CHALLENGES • Ensuring craft labor and project team protection against Coronavirus • Maintaining a high level of safety awareness and accident prevention while constructing project in dense urban environment • Potential construction contract claims • Construction impacts to stakeholders (residents and business districts) along the alignment • Impacts to Operations - cutovers 15

U. S Department of Transportation Federal Transit Administration Lynnwood Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Lynnwood Link Extension Seattle to Lynnwood, WA PROJECT DETAILS • • Mode: Light Rail Cost: $2, 771, 622, 000 Length: 8. 5 miles Stations: 4 Stations Project Ridership: 74, 000 (2035) Delivery Method: GC/CM Completion Date: 2024 Insert project picture 17

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Lynnwood Link Extension Seattle to Lynnwood, WA KEY ISSUES AND CHALLENGES • • Maintaining transit operations in two major transit centers during construction Highway and neighborhood impacts during construction Utility relocations by third parties Timeliness of 3 rd party reviews and permitting Tight budget and limited contingency Timely delivery of all construction permits from jurisdictional partners Additional protocols associated with COVID-19 protections Safety risks with elevated work (fall protection, dropped objects, work over roadways) 18

U. S Department of Transportation Federal Transit Administration Northgate Link Extension Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Northgate Link Extension Seattle, Washington PROJECT DETAILS • • Mode – Light Rail Cost - $1. 9 billion Length – 4. 2 miles Stations – 3 (2 U/G, 1 Aerial) Project Ridership Delivery Method – DBB, GCCM Completion Date – 2021 ( Rev. Svc. ) Insert project picture 20

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Northgate Link Extension Seattle, Washington KEY ISSUES AND CHALLENGES • Resources for Rail Activation program • Final Systems Equipment & Light Rail Vehicle Delivery • UW approval of noise and vibration mitigation and operation within agreed thresholds 21

U. S Department of Transportation Federal Transit Administration Operations & Maintenance Facility East Sound Transit/Presenter FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Operations & Maintenance Facility East Bellevue, Washington PROJECT DETAILS • Mode: Link Light Rail • Cost: $449. 2 million • Length: 170, 000 sq. ft. shops and offices; and storage for 96 Light Rail Vehicles • Stations: 0 • Project Ridership: 0 • Delivery Method: Design Build • Completion Date: 4 th Quarter 2020 Insert project picture 23

U. S Department of Transportation Federal Transit Administration FTA TRANSIT CONSTRUCTION WORKSHOP - VIRTUAL OCTOBER 20 – 21, 2020 Operations & Maintenance Facility East Bellevue, Washington KEY ISSUES AND CHALLENGES • Managing unavoidable delays due to pandemic • Unforeseen issues that arise during systems integration test phase • Balancing the demands for continued maintenance of operating line while supporting dynamic tests, equipment commissioning, and participating in training • Implementing owner-initiated changes to support new fleet vehicles • Preparing for care and custody of new facility 24