Elizabeth River Tunnels Project ASHE October Technical Meeting ERT Project Overview October 8, 2015
Project Location: Hampton Roads, VA
ERT Project Scope New, two-lane, WB tunnel Rehab and lifesafety improvements of existing MTT Brambleton Ave. / Hampton Blvd. interchange modifications Extending MLK to I-264, High St. interchange Rehab and lifesafety improvements of existing DTT (EB & WB tubes) Norfolk Portsmouth 3
ERT Project Schedule Project 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
Value to the Hampton Roads Region Reduces congestion and travel time Reduces idle time saving fuel and reducing emissions Creates seamless connection to I 264 Extends useful life of existing tunnels Ends bi directional traffic in Midtown Tunnel Improves reliability and connectivity Enhanced public transportation services made available through partnership with HRT
ERT Project Team Owner Equity / Sponsors Developer Lenders Bank/Bond/TIFIA Design-Build Contractor Operations & Maintenance Tolling Contractor 3M Designers
Organizational Responsibility OTP3 VDOT Central Office Pre- Comprehensive Agreement Development OPCO VDOT Hampton Roads District Post Comprehensive Agreement Project Delivery
The Design-Build Team Design-Build Joint Venture: - Skanska USA Civil SE - Kiewit Infrastructure Company - Weeks Marine Design Team: - Parsons Brinckerhoff Immersed Tube Tunnel (ITT) Experience: - Since 1964, installed 74% of the ITT s in the USA - Installed 52,500 feet of ITT in the USA - 19,700 feet of ITT in the Norfolk Area - Volkert & Associates
ERT Project Funding
Project Funding
Financing Cash Flow No equity repayment until 2021 at earliest (assuming available funds) Any revenue shared w VDOT must be used to benefit users of Project
Construction Overview & Update
ERT Project Schedule Project 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
ERT Project Component 1: Existing Tunnel Rehabilitation
Tunnel Rehabilitation Project Scope Rehabilitation Projects Existing WB Downtown Tunnel Existing EB Downtown Tunnel Existing (EB) Midtown Tunnel Rehabilitation Activities Removal of suspended ceilings Replace existing transverse with longitudinal ventilation Fire-life safety upgrades to 100 mega watt Concrete repairs (spalls and cracks) Electrical rehabilitation and upgrades Misc. signage, painting and repairs
DTT Rehabilitation: Ceiling Removal
DTT Rehabilitation: Barrier Repair
DTT Rehabilitation: Fire Protection & Ventilation Upgrades installation of fire protection board installation of longitudinal ventilation system
DTT-WB Lighting Before and After
ERT Project Component 2: MLK Freeway Extension
MLK Freeway Extension I-264 MLK Extension High St. London Blvd. Architectural Rendering
MLK Extension: Pile Driving
MLK Extension: Ped Bridge Cap Pour
MLK Extension: Structural Steel Erection
MLK Extension: Aerial 26
MLK Extension: Aesthetic Treatments High Street Gateway Turnpike Road Plaza
ERT Project Component 3: New Midtown Tunnel Approaches
New MTT: Portsmouth Approach Existing MTT Approach New MTT Approach Aerial View
New MTT: Portsmouth Approach
New MTT: Norfolk Approach Existing MTT Approach New MTT Approach 31
New MTT: Norfolk Approach Surface View
ERT Project Component 4: New Midtown Tunnel
New MTT: Tunnel Element Fabrication
New MTT: Floating Tubes
New MTT: Element Tow Down
New MTT: Element Tow Down
New MTT: Elements Moored in Portsmouth
New MTT: Screed Barge
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 Corridor Promat
New MTT: Plan & Profile
New MTT: Offset Alignment New Midtown Tunnel Existing Midtown Tunnel
New MTT: Ballast Concrete Placement
New MTT: Lay Barge
New MTT: Elements Docked 45
New MTT: Element Seals Seals between Elements - Gina Joint (gasket type) - Omega Seal (inner connection) Elements to connect to Cast in Place Approach work
New MTT: Element Placement
New MTT: Portsmouth Slot
New MTT: Immersion of Element in Slot
New MTT: Backfill of Element in Slot
New MTT: Immersion of the Final Element 51
Questions?