Parallel Thimble Shoal Tunnel Project Chesapeake Bay Bridge and - - PowerPoint PPT Presentation

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 ng Machine

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Proj

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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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