Alaska Way Viaduct Update-PIARC Meeting-Bijan Khaleghi

PIARC TC-D.5 Update o February 2018 PIARC/Japan Tunneling Seattle Workshop: Mt Baker and AWV Tunnels o May-June 2018 PIARC TC-D.5 Seattle Meeting o SR 99 AWV Tunnel Construction update

Permanent International Association Road Congress (PIARC) 2016-2020

Bijan Khaleghi State Bridge Design Engineer Washington State DOT Bridge & Structures Office [email protected] Country Surname First Name TC D.5 STAFF 1 Spain GUTIERREZ-BOLIVAR Oscar 2 France TESSON Marc 3 United Kingdom CLARK Gary 4 Spain LOPEZ GUARGA Rafael 2 5 France MARTIN Jean-Claude 6 Spain DEL REY LLORENTE Ignacio TC D.5 MEMBERS 7 Andorra RODRIGUEZ Daniel 8 Argentina MARCET Juan 9 Australia MAVROYENI George 10 Austria LIST René 11 Austria WIEZHOLZER Sonja 12 Belgium KABUYA Tshibela Arthur 13 Belgium VAN DER AUWERA Kristin 14 Canada - Quebec LONGTIN Pierre 15 Chili ALLENDE Marcos 16 China WU Mengjun PIARC TC-D.5 Membership: 17 Congo OLEA Lambert 18 Czech Republic PRIBYL Pavel 19 Denmark HOLST Jorgen 43 Committee Members 20 Finland NURMINEN Pekka 21 France MALLET Yannick 22 France WALET Frédéric 33 Countries 23 Germany KAUNDINYA Ingo 24 Greece BAKOGIANNIS Ioannis 25 Greece VAGIOKAS Nikolaos 26 Iran ALAMI MILANI Hossein 27 Italy BORCHIELLINI Romano 10 Associate Members 28 Italy GIUA Salvatore 29 Japan ISAGO Nobuharu 30 Morocco ABDELLAOUI Khalid 12 Corresponding Members 31 Mexico MENDEZ BUENO Carlos 32 Netherlands MANTE Ronald 33 Norway SOVIK Arild 34 Saudi Arabia AL-OMARI Abdulrahman Abdullah 35 Singapore WIJAYA Hadi 36 Slovenia PETELIN Stojan 37 South Africa MASSINGUE Tiago 38 South Korea KIM Nam-Goo 39 South Korea RYU Seung-Wan 40 Sweden LUNDSTRÖM Ulf 41 Sweden MARIA Marton 42 Switzerland GAMMETER Christian 43 United States of America KHALEGHI Bijan 3

1. Patrick Malléjacq, WRA Secretary General 2. Marc Tesson, TC-D5 Chair 3. Bernard Falconnat, WG5 Chair

Date, time and initials of last edit 4

Technical Committees: D.1 Asset Management D.2 Pavements D.3 Bridges D.4 Roads and Earthworks D.5 Road Tunnels 1. WG5: Large underground infrastructures Date, time 2. WG6: Knowledge and initials of last edit management PIARC- Japan Tunneling Delegation February 2018 Dr. Nobuharu Issago Mount Baker Tunnel:  Geotechnical Considerations  Design and Construction Considerations  Operation, Inspection and Maintenance SR 99 AWV Tunnel:  Geotechnical Considerations  Design & Construction Considerations  Planned Operation and Maintenance Japan Presentations: • Technological Trends Regarding Japanese Tunnels‘ • Construction of the Tokyo Ring Road Site Visits: • SR 99 AWV and Mount Baker Tunnel Site Visits Japan Tunneling Workshop

Overview of Tokyo Outer Ring Road (Tokyo Gaikan) • The Tokyo Outer Ring Road is one of the 3 Ring Roads together with the Ken-O Expressway and the Central Circular Route. • The 34km-long section between Misato Minami IC and Oizumi JCT has been opened to the public . • The 16km section between the Kan-etsu Expressway and Tomei Expressway in Tokyo is under construction.

Saitama Pref. In Service (Oizumi JCT-Misato Minami IC) L≒34km

Kawaguchi JCT Misato JCT Wako KitaIC Bijogi JCT Misato Mimami IC WakoIC

Oizumi JCT Tokyo Chiba Pref.

Tomei)

– Etsu

- Chuo Expressway

Kan Koya JCT

16km

≒ L

Waterproofing Non-separated Under Construction Under Wangan Road

6 Tomei JCT ＥＸＰＲＥＳＳＷＡＹ Outer Ring Road ( Road Ring Outer

Ring Ring Road Legend Tokyo Tokyo Tokyo Bay RingOuter In Service

Road In service Constructing Under construction Planned Main Ramp Under survey highway Expressway Tokyo Wan Aqua-Line National Highway Expressway Broken line means under construction Under survey (L ≒ 20km) Under construction (L ≒ 16km) Small-diameter Tokyo Outer Ring Road Tokyo Outer Ring Road shield (Tomei Expw. to Wangan Rd.) (Kan-Etsu Expw. to Tomei Expw.) Japan Tunneling Workshop

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Ground plan Overview of the project Section : From Oizumi, Nerima, Tokyo 229,644 187,133 Chuo JCT To Unane, Setagaya, Tokyo Komae city Chofu city Mitaka city Musashino city Nerima ward Saitama Pref. 80,074 144,683 722,108 Width : 40. 0 -98. 0m Road standard : Type 2, Class 1 Oizumi ＪＣＴ Tohachi Road ＩＣ Mejiro Street ＩＣ Design speed : 80 km/h Entrance/exit Entrance/exit Tomei ＪＣＴ Oume Kaido ＩＣ No. of lanes : 6 lanes (3 lanes in each direction) Entrance/exit Road project : FY 2009 Setagaya ward Suginami ward planned 900,391 564,846 Designed : 76,200 Traffic Volume - 96,200 (vehicles/day) 16km long, 6 lanes underground Project : MLIT Population : 2015 Census (Statistics Bureau, Ministry Of Internal Affairs And Communications) proponent NEXCO East NEXCO Central Longitudinal section Standard cross section Chuo JCT Motorway Tomei ＪＣＴ Oume Kaido ＩＣ Mejiro Street ＩＣ Oizumi ＪＣＴ Tohachi Road ＩＣ Entrance/exit Entrance/exit Entrance/exit

Frontage Frontage road road

Change of city planning (April 2007) Conceptional drawing of JCT/IC Tomei ＪＣＴ Chuo JCT Oume Kaido ＩＣ (entrance/exit) Oizumi ＪＣＴ Underground 40m Deep underground

Date, time and initials 16m of last edit16m Note: Names of JCT/IC under construction may change later. 4 Japan Tunneling Workshop

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Date, time and initials of last edit Technical Committee D.5 – Road Tunnels May 29- 31, 2018 Site Visit: June 1, 2018 9 Progress Reports: • Status of the reports of the previous cycles • Quality assurance and quality control QA/QC process • ITA-COSUF (Committee on Safety of Underground Facilities) • European Committee on Road Tunnel Safety • CIE (International Commission on Illumination) • AASHTO, TRB, FHWA tunneling activity update • NFPA (National Fire Protection Association) Dissemination Update: • Seminars in developing or transition countries • International Conference on road tunnel operations • PIARC website and D.5 workspace update • Tunnel Operation Manual PIARC Cycle 2016-2020 Case Studies-Monograph Seattle Tunnels: AWV and Mt Baker

AWV Tunnel Case Study Questionnaire - Monograph

Mount Baker Tunnel Case Study Questionnaire - Monograph Host Presentations

• AASHTO T-20 – TRB Update • Design and Construction of AWV Tunnel • Planned Operation, safety, and Maintenance of AWV • City of Seattle: Waterfront Seattle Program

Carbon fiber wrap installed in 2012 The viaduct in 1953 Columns reinforced in 2001 Building a new SR 99 Corridor SR 99 AWV Tunnel

• Approximately two miles long. • Two lanes with eight-foot safety shoulder in each direction. • Dual levels of design earthquakes: • 2500-year return events (rare earthquake – Life Safety) • 108-year return events (expected earthquake-Operational)

Excavation diameter 57’3” Internal diameter 52’ Segment thickness 24” Grouting thickness 8” Average ring length 6’5” Number of segments 7+2+1 Tunnel length 9300’ PROGRAM CONSTRUCTION SCHEDULE

2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Bored Tunnel Tunneling delay

North Access

North Surface Streets

South Access – Drilled Shafts South Dearborn Street Off-ramp South Access – SR 99 Connections South Access – Surface Street Connections

Viaduct Demolition

Battery Street Tunnel Decommissioning Waterfront Seattle Construction On July 30, 2013, World’s largest tunneling machine started digging beneath Seattle

On Dec. 6, 2013: just hours after the machine passed the 1,000 foot mark …

Crews stopped tunneling after measuring increased temperatures in the machine Repairing BERTHA Access Pit Construction: 1. Inject grout behind the machine 2. Install Shafts 3. Lower groundwater, 4. Excavate 5. Tunnel into access pit 6. Install a crane above the access pit 7. Disassemble and remove pieces 8. Make repairs 9. Reassemble the TBM Crane Above the Access Pit •A large crane used to hoist pieces of the machine to the surface CONCEPTUAL •This is a very heavy lift and a specialized gantry crane was used. •The main drive unit weighs more than 2,000 tons. Bertha’s breakthrough, Feb. 19, 2015 Bertha’s breakthrough, March 4, 2015

Removal of the shield pieces, March 23, 2015 SR 99 tunneling machine repairs June 4, 2015 Soils Elastic Rebound Manufacturing the Tunnel Liner Segments

• Preparing the segment molds. • A vacuum lifter preparing to move a completed liner segment. • Liner segments stacked at the Encon yard waiting transportation to the SR 99 tunnel site. • 14400 precast segments Tunnel Liner Segments at the Tunnel Site BUILDING THE HIGHWAY Inside The Tunnel

AWV Tunnel System Tunnel System - Item Quantity Exhaust Fans 8 Jet Fans 17 Exhaust Dampers 187 Maintenance Air Dampers 30 CO and NOx Sensors 10 Deluge nozzles 1,318 Deluge Valve Stations (208 valves) 55 Fire Hose cabinets 97 Storm Water Pumps 3 @ 50 HP, 2 @ 20 HP 5 Low Point Booster Pumps 4 @ 20 HP 4 Sewage Ejector Pumps 2 Generators, 1 @ 900 KW, 1 @ 600 KW 2 Tunnel Roadway Lighting Fixtures 5700 Roadway and 165 Security CCTV Cameras 136 301 Color Matrix TC Signs & LCS 35 &66 Roadway Emergency phones 98 Egress refuge - Emergency Exits 32 Lane Traffic Data Stations 32 Strobes and LED Light Strings (each egress exit) 34 Roadway speakers (each egress exit) 34 City of Seattle: PIARC INTERNATIONAL SEMINAR, May 29-June 1, 2018 Courtesy of Waterfront Seattle PLANNED

EXISTING Existing Planned Existing Planned Demolition Contract: • Remove the Alaskan Way Viaduct • Close and fill the Battery Street Tunnel

Website: www.AlaskanWayViaduct.org Email: [email protected] [email protected] UNDERSTANDING BERTHA

Understanding BERTHA

Video: Building a road INSIDE THE TUNNEL BREAKTHROUGH drone footage World Road Association (WRA) - U.S. Representatives Meeting January 8, 2018, Washington Convention Center

Activity Lead PIARC: a status report on Patrick Malléjacq, WRA Secretary General the mid-cycle Report from National Bud Wright, Executive Director, AASHTO, Chair US Committee National Committee King Gee, AASHTO, Secretary U.S. National  Plans for 2018 Committee

Panel Discussion: Results Presentation: Patrick Malléjacq, WRA Secretary of the WRA survey to the General members of the Technical Committees and Task Facilitator: Leslie Wright, Director, Office of Forces International Programs, FHWA Reactions and Q & A Linking PIARC and TRB Neil Pedersen, Executive Director, TRB