Parallel Thimble Shoal Tunnel Project Chesapeake Bay Bridge and Tunnel Agenda Item #11
Parallel Thimble Shoal Tunnel Project Location Existing Crossover Proposed Parallel #2 Island Thimble Shoal Tunnel (SB Traffic) Existing Thimble Shoal Channel Tunnel (NB Traffic) Approximate Edge of Fishing Pier Existing Island #1 Island Agenda Item #11
Scoring Bored Tunnel Method Immersed Tube Tunnel Section 2 - General 50 points Section 2 - General 50 points Qualifications Qualifications Section 3 - Bored Tunnel 50 points Section 4 - Immersed Tube 50 points Qualifications Tunnel Qualifications Total Score: 100 points Total Score: 100 points maximum 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 Agenda Item #11
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 • Agenda Item #11
Tunnel Boring ng Machine The machine is operated from the control room Hydraulic rams push against newly-placed concrete Rotating segments to drive machine cutter head forward Excavated earth removed by conveyor belt Pressure is maintained Rotating arm adds pre-cast concrete Pre-cast concrete segments in the cutting chamber Tunnel segments to form a ring delivered to rotating arm Approximate TBM diameter is 42’ Agenda Item #11
Proj ojec ect T Timel eline Agenda Item #11
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 Agenda Item #11
P ARALLEL T HIMBLE S HOAL C HANNEL T UNNEL 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/ Agenda Item #11
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