downtown tunnel midtown tunnel mlk extension downtown tunnel midtown tunnel mlk extension virginia...
TRANSCRIPT
![Page 1: Downtown Tunnel Midtown Tunnel MLK Extension Downtown Tunnel Midtown Tunnel MLK Extension Virginia Maritime Association U.S. Army Corps of Engineers Hampton](https://reader035.vdocuments.net/reader035/viewer/2022062409/5697bfe91a28abf838cb6b68/html5/thumbnails/1.jpg)
Downtown TunnelMidtown Tunnel
MLK Extension
Downtown TunnelMidtown Tunnel
MLK Extension
Virginia Maritime AssociationU.S. Army Corps of Engineers
Hampton Roads Navigational Summit April 4, 2012
Virginia Maritime AssociationU.S. Army Corps of Engineers
Hampton Roads Navigational Summit April 4, 2012
![Page 2: Downtown Tunnel Midtown Tunnel MLK Extension Downtown Tunnel Midtown Tunnel MLK Extension Virginia Maritime Association U.S. Army Corps of Engineers Hampton](https://reader035.vdocuments.net/reader035/viewer/2022062409/5697bfe91a28abf838cb6b68/html5/thumbnails/2.jpg)
4/4/2012
Slide 2Hampton Roads Navigational Summit
Project Team
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Project Scope
4/4/2012
Slide 3Hampton Roads Navigational Summit
A new, two-lane tunnel
Refurbishment and safety improvements
Extending MLK to I-264, High St. interchange
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New MTT Alignment
4/4/2012
Slide 4Hampton Roads Navigational Summit
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New MTT Profile
4/4/2012
Slide 5Hampton Roads Navigational Summit
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Typical Tube Section
4/4/2012
Slide 6Hampton Roads Navigational Summit
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Marine Operations
• Dredging• Screeding• Tube Placement• Security Fill• Ordinary Fill• Armor Stone/Rock Blanket
4/4/2012
Slide 7Hampton Roads Navigational Summit
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Clamshell Dredging
4/4/2012
Slide 8Hampton Roads Navigational Summit
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Screed Barge
4/4/2012
Slide 9Hampton Roads Navigational Summit
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4/4/2012
Slide 10Hampton Roads Navigational Summit
Screed Operation
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Tube Placement
4/4/2012
Slide 11Hampton Roads Navigational Summit
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Tube Placement
• 11 Tube Elements• Each approx
350 ft long• Portsmouth
to Norfolk
4/4/2012
Slide 12Hampton Roads Navigational Summit
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Screed Set #1
4/4/2012
Slide 13Hampton Roads Navigational Summit
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Screed Set #2
4/4/2012
Slide 14Hampton Roads Navigational Summit
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Screed Set #3
4/4/2012
Slide 15Hampton Roads Navigational Summit
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4/4/2012
Slide 16Hampton Roads Navigational Summit
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4/4/2012
Slide 17Hampton Roads Navigational Summit
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4/4/2012
Slide 18Hampton Roads Navigational Summit
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Marine Ops – Linear Schedule
4/4/2012
Slide 19Hampton Roads Navigational Summit
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Marine Ops – Linear Schedule 2013
4/4/2012
Slide 20Hampton Roads Navigational Summit
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Marine Ops – Linear Schedule 2014
4/4/2012
Slide 21Hampton Roads Navigational Summit
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Marine Ops – Linear Schedule 2015
4/4/2012
Slide 22Hampton Roads Navigational Summit
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Summary of Discussions To Date
• Total Channel Closures (12 each – 48 hr)• Partial Channel Closures (Maintain 220 ft)• Marine Operations Coordinator• Notice to Mariners• Emergency Situations • Good Communication
4/4/2012
Slide 23Hampton Roads Navigational Summit
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4/4/2012
Slide 24Hampton Roads Navigational Summit