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CHESAPEAKE BAY BRIDGE-TUNNEL
Parallel Thimble Shoal Tunnel Project
Proposed Parallel Tunnel Existing Tunnel
PROJECT TIMELINE Design-Build Project Procurement Timeline Activity - - PowerPoint PPT Presentation
PROJECT TIMELINE Design-Build Project Procurement Timeline Activity - - PowerPoint PPT Presentation
C HESAPEAKE B AY B RIDGE -T UNNEL Parallel Thimble Shoal Tunnel Project Proposed Parallel Tunnel Existing Tunnel Parallel Thimble Shoal Tunnel Project PROJECT TIMELINE Design-Build Project Procurement Timeline Activity Schedule Project
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Design-Build Project Procurement Timeline
Activity Schedule Project Showcase November 2014 Issue DB Request for Qualifications May 2015 Request for Qualifications Due July 2015 Shortlist DB Teams August 2015 Issue Final RFP February 2016 Technical Proposals due March 2016 Final Pricing due April 29, 2016 Revised Technical Proposals due July 12, 2016 Revised Proposal Pricing due July 15, 2016
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Parallel Thimble Shoal Tunnel Project
RESULTS OF DB PROCUREMENT
Design‐Build Teams Tunnel Method Qualification Proposed Tunnel Construction Method April 29 Proposal Price July 15 Proposal Price Archer Western – Vinci Construction TunnelBuilders (AWVC) ITT and Bored Bored $1,071,683,000 $785,883,000 Bouygues TP/Traylor/Manson (BTM JV) ITT and Bored Bored $1,016,046,800 $848,452,987 Dragados Team: Dragados USA and Schiavone Construction Company, LLC Bored Bored $1,092,000,000 $755,987,318 SKW Tunnel Builders ITT ‐‐‐ No Proposal ‐‐‐
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Island #1 Expansion
to include Full Public Access with Restaurant/Gift Shop
April 29, 2016 Phase I Procurement Rendering
Restaurant, Gift Shop, Visitor Center – 15,000 square feet New Tunnel Existing Ventilation Building New Ventilation Building
- Required Island Expansion of
- approx. 3.25 acres
- 338 Parking Spaces
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Island #1 - No Restaurant
July 12, 2016 Revised Rendering
No Island Expansion
New Vent Building
New Tunnel Existing Ventilation Building
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The Dragados Team:
Dragados USA and Schiavone Construction Co. LLC
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Tunnel Boring Machine
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’
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Parallel Thimble Shoal Tunnel Project
PROJECT FUNDING
No operating subsidies from the Federal Government, State or Localities
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Design-Build Technical Timeline
Activity Schedule Limited Notice to Proceed (LNTP) August 2016 – December 2016 Notice to Proceed 1 (NTP1) January 2017 – September 2017 Notice to Proceed 2 (NTP2) Construction Begins – October 1, 2017