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 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
Parallel Thimble Shoal Tunnel Project RESULTS OF DB PROCUREMENT Design‐Build Teams Tunnel Method Proposed Tunnel April 29 July 15 Qualification Construction Proposal Price Proposal Price Method Archer Western – Vinci ITT and Bored Bored $1,071,683,000 $785,883,000 Construction TunnelBuilders (AWVC) Bouygues ITT and Bored Bored $1,016,046,800 $848,452,987 TP/Traylor/Manson (BTM JV) Dragados Team: Bored Bored $1,092,000,000 $755,987,318 Dragados USA and Schiavone Construction Company, LLC SKW Tunnel Builders ITT ‐‐‐ No Proposal ‐‐‐
Island #1 Expansion to include Full Public Access with Restaurant/Gift Shop April 29, 2016 Phase I Procurement Rendering • Required Island Expansion of approx. 3.25 acres • 338 Parking Spaces New Restaurant, Gift Shop, Visitor Ventilation New Center – 15,000 square feet Building Tunnel Existing Ventilation Building
Island #1 - No Restaurant July 12, 2016 Revised Rendering No Island Expansion New Vent Building New Tunnel Existing Ventilation Building
The Dragados Team: Dragados USA and Schiavone Construction Co. LLC
Tunnel Boring Machine The machine is operated from the control room Rotating cutter head Hydraulic rams push against newly‐placed concrete segments Excavated earth removed to drive machine forward 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’
Parallel Thimble Shoal Tunnel Project PROJECT FUNDING No operating subsidies from the Federal Government, State or Localities
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
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