CHESAPEAKE BAY BRIDGE-TUNNEL Parallel Thimble Shoal Tunnel Project Proposed Parallel Tunnel Existing Tunnel
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CHESAPEAKE BAY BRIDGE-TUNNELParallel Thimble Shoal Tunnel Project
Proposed Parallel Tunnel
ExistingTunnel
Parallel Thimble Shoal Tunnel ProjectPROJECT TIMELINE
Design-Build Project Procurement Timeline
Activity ScheduleProject Showcase November 2014
Issue DB Request for Qualifications May 2015
Request for Qualifications Due July 2015
Shortlist DB Teams August 2015Issue 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 ProjectRESULTS 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
BouyguesTP/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 ‐‐‐
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
ExistingVentilation Building
New Ventilation Building
• Required Island Expansion of approx. 3.25 acres
• 338 Parking Spaces
Island #1 - No Restaurant July 12, 2016 Revised Rendering
No Island Expansion New
Vent Building
NewTunnel
ExistingVentilation Building
The Dragados Team:Dragados USA and Schiavone Construction Co. LLC
Tunnel Boring Machine
Rotatingcutter head
The machine is operated from the control room
Pressure is maintainedin the cutting chamber
Rotating arm adds pre‐cast concreteTunnel segments to form a ring
Pre‐cast concrete segmentsdelivered to rotating arm
Excavated earth removedby conveyor belt
Hydraulic rams push against newly‐placed concrete segments to drive machine forward
Approximate TBM diameter is 42’
Parallel Thimble Shoal Tunnel ProjectPROJECT 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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