ctdot project nos. 135-326 (phase 1) & 135-301 (phase 2...
TRANSCRIPT
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Atlantic Street Bridge Project CTDOT Project Nos. 135-326 (Phase 1) & 135-301 (Phase 2)
Reconstruction of Atlantic Street & Metro-North RR Bridge Replacement | City of Stamford www.AtlanticStreetBridge.com
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Atlantic Street Bridge Project
Presentation to:
April 10, 2018
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Agenda
• Introduction
• Phase 1 Construction Progress Update
• Phase 2 Construction Information
• Schedule Update
• Questions and Answers
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Connecticut Department of Transportation
Phase 1 Project Team
CTDOT District 3 Office:
Domenic LaRosa, P.E. - District Engineer Matthew Cleary, P.E. - Asst District Engineer James Pelletier Jr., P.E. - Supervising Engineer Paul Ezigbo - Project Engineer Louis Eveno - Chief Inspector
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Phase 1 Contract Information
• State Project No.: 135-326
• Owner: Connecticut Dept. of Transportation
• Inspector: Connecticut Dept. of Transportation
• Contractor: Yonkers Contracting Company
• Original Contract Value: $ 33,881,217
• Current Contract Value: $36,317,496
• Notice to Proceed: February 8, 2016
• Contract Completion Date: June 30, 2018
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Phase 1 Project Elements
• Utility Corridor (Pipe Jacking)
• Reconfigure I-95 NB Exit 8 Off-Ramp
• New Ramp Bridge over Atlantic Street
• Contaminated Soil Management
• Sanitary Sewer Relocation
• Drainage along South State and Canal
• Minor Track Level Work (Catenary 370B)
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Utility Relocations
• Eversource Energy & Frontier Communications
- Extensive Coordination - Sequential Operation - No State Financial Participation - Estimated Completion: December 2018
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Pre-Construction Conditions
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Proposed Construction
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Proposed Conditions
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Phase 1 Construction Progress
Exit 8 Off Ramp
Wall 102 South State St
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Phase 1 Construction Progress
Wall 107 Manhattan St
Wall 103 South State St
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Upcoming Local Impacts
• Drainage Crossings on Atlantic and Canal St (Ongoing)
• Paving – South State St, Exit 8 Off Ramp and I-95 NB Right Shoulder (04/16/2018)
• Wall 107 Construction on Manhattan St (05/07/2018)
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Connecticut Department of Transportation
Phase 2 Project Team
CTDOT District 3A Office: Domenic LaRosa, P.E. - District Engineer
Dean Cerasoli, P.E. - Assistant District Engineer John Antonucci, P.E. - Supervising Engineer Mohammad Masoud - Project Engineer
HAKS, Inc. (Construction Engineering & Inspection): Kevin Conroy, P.E. - Resident Engineer
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Phase 2 Contract Information
• State Project Nos.: 135-301 & 301-163
• Owner: Connecticut Dept. of Transportation
• Inspector: HAKS
• Contractor: Halmar International
• Contract Value: $ 74,846,308
• Notice to Proceed: August 28, 2017
• Contract Completion Date: November 30, 2020
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Phase 2 Project Elements
• Railroad Bridge Replacement (ABC)
• Widening and Lowering of Atlantic Street
• Streetscaping and Multimodal Enhancements
• Railroad Catenary Replacements
• New Track 7 (New Canaan Branch Line)
• Northern Passenger Platform Extension
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Phase 2 Major Activities 2018
– Installation of Temporary Railroad “Jump Spans”
– Off-site Construction of New Bridge Superstructure Components
2019
- Construct New Bridge Abutments & Center Pier (Feb - June)
- Roll-In & Installation of New Superstructure (6/28 – 7/8)
• Remove Jump Spans
• Demolish Portions of Existing Bridge
• Install New Superstructure Sections
• Restore Rail Operations
- Final Roadway Lowering and Reconstruction (7/9 – 9/7)
2020
- Track 7 Construction and Passenger Platform Extension
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Traffic Impacts During Phase 2
• Continued Temporary Lane Closures
(Atlantic Street, South State Street)
• Temporary Detours during Jump Span
Installation and Roll-In Period
(Atlantic St, Dock St, South State St)
• Approx. 6 Month Closure of Atlantic Street
to Install Center Pier and Complete
Roadway Lowering
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Public Outreach During Construction
• Project Website www.atlanticstreetbridge.com
• Social Media Presence
• Mailing List / Email Blasts
• News Releases
• Public Informational Meetings
• Consistent Coordination with City, MNRR & Stakeholders
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Current Schedule
ACTIVITY DATE
START OF PHASE 1 JUNE 2016
BEGIN UTILITY RELOCATIONS SPRING 2017
START OF PHASE 2 FALL 2017
PHASE 1 COMPLETE JUNE 2018
UTILITIES COMPLETE DECEMBER 2018
ATLANTIC STREET CLOSED FEBRUARY 2019
INSTALL NEW BRIDGE JUNE 27 – JULY 8, 2019
REOPEN ATLANTIC STREET SEPTEMBER 2019
PHASE 2 COMPLETE SUMMER 2020
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Pre-Construction Conditions
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Proposed Conditions
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Existing Railroad Bridge
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Proposed Railroad Bridge
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THANK YOU…
FOR YOUR TIME AND
ATTENTION
QUESTIONS ARE WELCOMED
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Additional Considerations
• Multimodal Accommodations
• Provides for Future Bike Lanes
• Beautification
• Use of Concrete Form Liner
• Incorporation of City Streetscape
Standards
• Preservation
• Salvage of Existing Brownstone
• Partial Funding of South End Historic
Neighborhood Preservation Plan