CHESAPEAKE BAY BRIDGE AND TUNNEL DISTRICT Counsel Nossaman Bond Counsel Nixon ... Management...
Transcript of CHESAPEAKE BAY BRIDGE AND TUNNEL DISTRICT Counsel Nossaman Bond Counsel Nixon ... Management...
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CHESAPEAKE BAY
BRIDGE AND TUNNEL DISTRICT
@FollowTheGulls | www.cbbt.com 1
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Hampton Roads Tunnels
• Downtown Tunnel– Original – 1952– Parallel - 1987
• Hampton Roads Tunnel– Original – 1957– Parallel - 1976
• Mid-Town Tunnel – Original – 1962– Parallel – 2016
• Chesapeake Bay Bridge Tunnel(s) 1964• Monitor Merrimac Tunnel - 1992
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CBBT District Overview
• Political Subdivision of the Commonwealth
• 150 Full Time Employees
• Comprised of 4 divisions
– Administration
– Finance
– Maintenance
– Operations
• No Federal, State or Local Tax Monies used to construct or operate
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Project Counsel
Nossaman
Bond Counsel
Nixon Peabody
Underwriting Team
Bank of America
Construction Manager
HNTB
Design Builder
To be awardedMay 2016
Parallel Thimble Shoal Tunnel
Strategic Advisor
Moffatt & Nichol
Pennoni & Assoc.
Arcadis
Ernst & Young
Project Advisory
OTP3
Design Manager
Jacobs
COWI
Capital Project Strategies
Municipal Advisor
Public Financial
Management
Commission Counsel
Willcox & Savage
Traffic & Revenue Advisor
Steer Davies Gleave
CBBT Commission
Project Development Committee
CBBT District Staff
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Location Map
Parallel Thimble
Shoal Tunnel
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Alignment for Parallel Tunnel
•No Right of WayAcquisition•No Large-ScaleUtility Relocation
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Existing Crossover
#2 Island
Existing Thimble Shoal Channel Tunnel (NB Traffic)
#1 Island
Fishing Pier
Restaurant
Proposed Thimble Shoal Channel Tunnel (SB Traffic)
Approximate Edge of Existing Island
Project Overview
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Proposed Channel Dimensions
• 67’ (+3’) deep channel
• 1,000’ Wide at the bottom
-70’V
0.0’V
1,000’
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National Environmental Policy Act
(NEPA)
• Environmental Assessment (EA)
• FHWA is the lead federal agency
• Multiple agencies involved
• Purpose is to identify potentially significant impacts
• Draft EA signed December 2014
• Finding of No Significant Impact (FONSI) signed July 31, 2015
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National Environmental Policy Act
(NEPA)
Existing Northbound Trestles
Existing Southbound Trestles
Existing Thimble Shoal Tunnel
Area Considered for Potential Impacts
Proposed Parallel Thimble Shoal Tunnel
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Permitting
• Contractor will obtain permits and clearances
• District is a partner with contractors to obtain the permits and clearances
• Work to facilitate permitting was initiated during NEPA process
• Navigation/Maritime coordination
• Identification of possible permit conditions
• Dredge material disposal
• Information made available through DB process
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Geotechnical Investigation
• Geotechnical Ground Investigation– 38 Seabed CPTs
– 20 Marine Sample Borings
• Geotechnical Data Report (GDR)
• Geotechnical Baseline Report (GBR)
• Geophysical Survey– Multibeam, hydrographic survey
– Side scan sonar imaging
– Sub-bottom profiling using a chirp system
– Sub-seafloor, seismic reflection survey
• Laboratory Testing on Representative Soil Samples
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Geotechnical Investigation
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Geotechnical Investigation
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22 NM
OceanDisposal Area
Offshore Disposal
CIDMMA Atlantic Ocean Channel
Project Site
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Immersed Tube Tunnel Construction
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Immersed Tube Tunnel Construction
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Modern Immersed Tube Tunnel
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Midtown Tunnel
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Midtown Tunnel
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Immersed Tube Tunnel
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Immersed Tube Tunnel
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Project Development
• November 2013 - Unsolicited proposal received
• District advertised for competing proposals – none received
• Strong industry interest
• Design-Build
• Bored Tunnel
• April 2014 - Commission rejects unsolicited proposal and directs
staff to pursue a design-build project
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Tunnel Boring Machine (TBM)
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Tunnel Boring Machine (TBM)
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Bored Tunnel
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Bored Tunnels – Soft Soils
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MTR – Shatin to Central Link
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Tunnel Ring Placement
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TBM Shield
Hydraulic Jacks
Tunnel Ring Element
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Tunnel Ring Placement
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Cross Section – Bored Tunnel
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Procurement Methodology
• April 2014 Commission authorizes a solicited Design-Build
procurement
• Tunnel Method to be by Design-Build teams
• Two-Step Approach
o Request For Qualifications
o Request For Proposals
• Technically Acceptable – Low Price Selection
• Stipend to unsuccessful teams who submit compliant proposals
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Request for Qualifications
• Teams allowed to qualify for Bored, Immersed, or Both
• Scores independently evaluated
• Top four teams qualified
• AWVC – ITT and Bored
• BTM – ITT and Bored
• Dragados – Bored
• SKW - ITT
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Draft RFP
• Instructions to offerors
• Comprehensive agreement
• Technical requirements
• Reference information
• One-on-One proprietary meetings – confidential discussion of terms and Alternative Technical Concepts (ATC)
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Sources of Funding
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Procurement Schedule
Activity Schedule
Issue DB RFQ May, 2015
RFQ due July, 2015
FONSI August, 2015
Short list DB teams August, 2015
Issue draft RFP August, 2015
Final RFP February, 2016
Technical Proposals due March, 2016
Technical proposal evaluation complete
April, 2016
Pricing /Final technical proposals due
April, 2016
Contract Award May, 2016
Start Construction Summer 2017
Substantial Completion December, 2020
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