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elizabeth river tunnels project construction update

Elizabeth River Tunnels Project Construction Update HRTPO Board - PowerPoint PPT Presentation

Nov 27, 2022 •482 likes •812 views

Agenda Item 10 Elizabeth River Tunnels Project Construction Update HRTPO Board Presentation Daniel A. Norman, PE Assistant Construction Director Thursday, 19 March 15 ERT Project Schedule Construction Approximately 70% Complete

  1. Agenda Item 10 Elizabeth River Tunnels Project Construction Update HRTPO Board Presentation Daniel A. Norman, PE Assistant Construction Director Thursday, 19 March 15

  2. ERT Project Schedule Construction Approximately 70% Complete Segment_______________ Completion Date Refurbishment of Existing Downtown Tunnels • August 2016 New MLK Freeway Extension • December 2016 New Midtown Tunnel • December 2016 Refurbishment of Existing Midtown Tunnel • May 2018

  3. ERT Project Component 1: Existing Tunnel Rehabilitation

  4. DTT Rehabilitation: Ceiling Removal

  5. DTT Rehabilitation: Barrier Repair

  6. DTT Rehabilitation: Fire Protection & Ventilation Upgrades I nstallation of fire protection board I nstallation of longitudinal ventilation system

  7. … and After DTT-WB Lighting Before

  8. ERT Project Component 2: MLK Freeway Extension

  9. MLK Freeway Extension I-264 MLK Extension High St. London Blvd. Architectural Rendering

  10. MLK Extension: Pile Driving

  11. MLK Extension: Ped Bridge Cap Pour

  12. MLK Extension: Structural Steel Erection

  13. MLK Extension: Structural Steel Erection

  14. ERT Project Component 3: New MTT Approaches

  15. New MTT: Portsmouth Approach Existing MTT Approach New MTT Approach Aerial View

  16. New MTT: Portsmouth Approach Surface View

  17. New MTT: Norfolk Approach New MTT Approach Existing MTT Approach Aerial View

  18. New MTT: Norfolk Approach Surface View

  19. ERT Project Component 4: New Midtown Tunnel

  20. New MTT: Final Concept • Concrete shell, Immerse Tube Tunnel (ITT) • Westbound tube connecting Norfolk to Portsmouth • Two vehicular lanes and an egress corridor Utility Corridor Deluge System Jet Fans Egress Promat Corridor

  21. New MTT: Plan & Profile

  22. New MTT: Tunnel Element Fabrication (1 min. time lapse video)

  23. New MTT: Float Out of Litter 1 (1 min. time lapse video)

  24. New MTT: Element Tow Down

  25. New MTT: Elements Moored in Portsmouth

  26. New MTT: Screed Barge

  27. New MTT: Lay Barge

  28. New MTT: Portsmouth Slot

  29. New MTT: Immersion of Element in Slot

  30. New MTT: Immersion of Element in River

  31. New MTT – Elements 1-3 Walk Through

  32. Questions?

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