Parallel Thimble Shoal Tunnel Project Chesapeake Bay Bridge and Tunnel

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Existing Crossover

#2 Island

Existing Thimble Shoal Channel Tunnel (NB Traffic)

#1 Island

Fishing Pier

Proposed Parallel Thimble Shoal Tunnel (SB Traffic)

Approximate Edge of Existing Island

Parallel Thimble Shoal Tunnel Project Location

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Scoring Immersed Tube Tunnel

Section 2 - General Qualifications

50 points

Section 4 - Immersed Tube Tunnel Qualifications

50 points

Total Score: 100 points maximum

Bored Tunnel Method

Section 2 - General Qualifications

50 points

Section 3 - Bored Tunnel Qualifications

50 points

Total Score: 100 points maximum

• Evaluation and scoring independently for each tunneling method. • The highest score, regardless of method, for an Offeror used to

determine the short-list • Teams able to submit qualifications for both methods • Teams that qualified for both methods, only allowed to submit one

Technical and Price Proposal

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Short-Listed Teams Design-Build Team ITT TBM

Archer Western-Vinci Construction (AWVC) X X

Bouygues TP / Traylor / Manson (BTM) X X

Dragados USA and Schiavone Construction (CTJV) X

Skanska, Kiewit, Weeks (SKW) X

• Draft DB ATC RFP founded on VA’s P.P.T.A. issued August 11, 2015

• Final RFP issued February 1, 2016

• Preliminary Technical Proposals submitted March 1, 2016

• Final Tech. and Price Proposals submitted April 29, 2016

• Revised Technical Proposals submitted July 12, 2016

• Revised Price Proposals submitted July 15, 2016

• Award to CTJV on July 27, 2016 for $ 755,987,318

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Rotating cutter head

The machine is operated from the control room

Pressure is maintained in the cutting chamber

Rotating arm adds pre-cast concrete Tunnel segments to form a ring

Pre-cast concrete segments delivered to rotating arm

Excavated earth removed by conveyor belt

Hydraulic rams push against newly-placed concrete segments to drive machine forward

Approximate TBM diameter is 42’

Tunnel Boring Machine

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Project Timeline

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Project Funding Source Allocation

CBBT General Fund $ 172,643,799

CBBT Revenue Bonds 363,618,253

USDOT TIFIA Loan 338,528,672

VTIB Loan 50,000,000

Total Cost w/Contingency $ 924,790,724

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PARALLEL THIMBLE SHOAL CHANNEL TUNNEL For up-to-date information, news releases, project documents, and more as it pertains to the Parallel Thimble Shoal Channel Tunnel Project, please visit the CBBT’s website at www.cbbt.com/parallelthimbleshoaltunnel/

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