11/27/2018 The Big Picture Walk Bridge Improve Rail & Retain - PDF document

11/27/2018 The Big Picture Walk Bridge Improve Rail & Retain Long‐term Program Infrastructure Economic Resource Dependability Opportunities Preservation A 100‐Year Solution November 28, 2018 www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com The Walk Bridge Program Economic Development Better Norwalk Educational Exhibits 125,000 Passengers/day Signature Bridge 175 Interpretive Panels trains/day www.walkbridgect.com www.walkbridgect.com Fort Point St. Bridge Replacement & Roadway Realignment Osborne Avenue Superstructure Replacement Proposed Development www.walkbridgect.com www.walkbridgect.com 1

11/27/2018 East Ave. Bridge Replacement & Roadway Improvements Walk Bridge Replacement Project MNR Cable Relocation www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com $1.2 Billion Program Estimated Construction Cost ($937 Million) Utility East Relocation Ave. Engineering & ROW CP243 Federal (40%) Fort Walk Bridge Interlocking Danbury Point Construction Dockyard $234M Osborne Ave. 28% Sandy Grant 12% 60% Retaining $511 $242 $89 $27 $26 $937M Wall $20 State $12 $10 www.walkbridgect.com www.walkbridgect.com Bridge Design Design Considerations www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com 2

11/27/2018 North Water Street Area Multimodal Accommodations New Theater Wharf Area Wharf Area www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com Environmental Permitting – What’s Included? PRELIMINARY DETOUR ROUTES • Stormwater Management • Contaminated Soil Management • Air Quality and Dust Control • Dredging (Dec/Jan) • Wetland mitigation • Enlisted Species Habitat Enhancements • Historic Resource Protection • Noise & Vibration Controls • In‐water Controls TEMPORARY SIGNALS DURING CONSTRUCTION www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com Environmental Restoration Areas Environmental Controls & Mitigation Turbidity Curtains Contaminated Soil Management Marine Enclosures Habitat Enhancements Groundwater Treatment www.walkbridgect.com www.walkbridgect.com 3

11/27/2018 Program Construction Schedule 2018 2019 2020 2023 2024 Environmental Permitting Walk Bridge Construction Construction Fort Point St. /Osborne Ave./ East Ave./ E. Norwalk Station Construction CM/GC Delivery Method CP243 Interlocking Project Construction Danbury Branch Dockyard Project Construction www.walkbridgect.com www.walkbridgect.com Danbury Branch Dockyard Project Construction Activities Danbury Branch Ann Street Open New Track & Bridge Construction & OCS Pole Installation Intermittent Detours Dec/Jan Through March 2019 www.walkbridgect.com www.walkbridgect.com CP243 Interlocking Project Construction Activities Drilled Shafts & Signal House CP243 Track Work Installation Rock & Slope Excavation Through February 2019 Through Spring 2019 www.walkbridgect.com www.walkbridgect.com 4

11/27/2018 Walk Bridge/Fort Pt. – Year 1 (Approx. 12-14mo) Walk Bridge/Fort Pt – Year 2 (Approx. 12-14mo) Remove High Towers Start New Fort Point www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com East Ave./Osborne Ave.– Year 2 (Approx. 12-14mo) Walk Bridge/Fort Pt – Year 3 (Approx. 12-14mo) North Tracks Removed South Span Float‐in Remove & Construct South Halves Open South Tracks www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com Walk Bridge/Fort Pt – Year 4 (Approx. 12-14mo) North Span Float‐in Complete North Half Fort Point www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com 5

11/27/2018 East Ave./Osborne Ave.– Year 4 (Approx. 12-14mo) Remove & Construct North Halves www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com Walk Bridge/Fort Pt – Final Year East Ave./Osborne Ave.– Final Year Open North Tracks www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com www.walkbridgect.com Stay Involved www.walkbridgect.com Facebook.com/WalkBridgeCT @walkbridgect info@walkbridgect.com 833‐GO2‐WALK Join us! Open House on December 8 th 10 AM – 2 PM at the Welcome Center www.walkbridgect.com www.walkbridgect.com 6