Atlantic Street Bridge Project CTDOT Project Nos. 1 3 5 -3 0 1 - - PowerPoint PPT Presentation

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Atlantic Street Bridge Project CTDOT Project Nos. 1 3 5 -3 0 1 & 3 0 1 -1 6 3 ( Phase 2 ) Reconstruction of Atlantic Street & Metro North RR Bridge Replacement | Track & Station Infrastructure Improvements City of Stamford

SLIDE 1

Atlantic Street Bridge Project

CTDOT Project Nos. 1 3 5 -3 0 1 & 3 0 1 -1 6 3 ( Phase 2 )

Reconstruction of Atlantic Street & Metro‐North RR Bridge Replacement | Track & Station Infrastructure Improvements City of Stamford www.AtlanticStreetBridge.com

SLIDE 2

Public Outreach Social Media Outlets

Regular Updates:

n the web: http://atlanticstreetbridge.com
n Facebook: atlanticstreetbridge
n Twitter: @Atlantic_Street

Sign up for Email Announcements on the Website Email: info@atlanticstreetbridge.com

SLIDE 3

CONNECTICUT DOT 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 Engineers P.C. (Construction Engineering & Inspection): Kevin Conroy, P.E. ‐ Resident Engineer

SLIDE 4

Contract Information

State Project Nos.: 135‐301 & 301‐163 Owner: Connecticut Dept. of Transportation Inspector: HAKS Engineers Contractor: Halmar International Contract Value: $ 74,846,308 Pre‐Construction Started: August 28, 2017 Contract Completion Date: November 30, 2020

SLIDE 5

Combined Contract 135-301/301-163

EXISTING METRO NORTH BRIDGE OVER ATLANTIC STREET

SLIDE 6

Combined Contract 135-301/301-163

PROPOSED CONSTRUCTION

SLIDE 7

Combined Contract 135-301/301-163

Replace MNR Bridge Extended Platform Track #7 Construction Catenary Replacement Lowering Roadway

2 3 4 5

1 2 3 4 5 5 1

SLIDE 8

Additional Considerations

Multimodal Accommodations
Provides for Future Bike Lanes
Beautification
Use of Concrete Form Liner
Incorporation of City Streetscape Standards
Salvage of Existing Brownstone for Future City Use

SLIDE 9

Jump Span Installation and Abutments

JUMP SPANS & TEMPORARY SUPPORTS

SLIDE 10

Bridge Roll-in: Begin June 28, 2019

PRE- DEMOLITION

SLIDE 11

Bridge Roll-in: June 28-July 8, 2019

PRE ROLL-IN TRACKS 2 & 4

SLIDE 12

Bridge Roll-in: June 28-July 8, 2019

TRACKS 2 & 4 RETURNED TO SERVICE

SLIDE 13

Bridge Roll-in Completed: July 8, 2019

STAGE 2 BRIDGE ROLL-IN COMPLETED

SLIDE 14

Bridge, Platform and Track #7 Complete: November 2020

PLATFORM & TRACK 7 COMPLETED

SLIDE 15

Animation

SLIDE 16

Current Schedule

ACTI VI TY DATE

JUMP SPAN INSTALLATION FALL 2018 ATLANTIC STREET CLOSED FEBRUARY 2019 CENTER PIER CONSTRUCTION FEBRUARY‐JUNE 2019 NEW BRIDGE ROLL‐IN JUNE 28 – JULY 8, 2019 LOWER ATLANTIC STREET JULY ‐ SEPTEMBER 2019 REOPEN ATLANTIC STREET SEPTEMBER 2019 PHASE 2 COMPLETE NOVEMBER 2020

SLIDE 17

Traffic Patterns During Phase 2

Temporary Lane Closures

(Atlantic Street, South State Street – Similar to Phase 1 Project)

Temporary Detours during Bridge Demolition 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

SLIDE 18

Stage 1B (Center Pier Construction): February - June 2019

Road Closures:

Atlantic Street

(Dock St to S. State St) Detours:

Washington Blvd
Henry Street
Dock Street
Canal Street
N. & S. State Streets

SLIDE 19

Stage 1B (Center Pier Construction): February - June 2019

Road Closures:

Atlantic Street

(Dock St to S. State St) Detours:

Washington Blvd
Henry Street
Dock Street
Canal Street
N. & S. State Streets

SLIDE 20

Stages 2 & 3: June 28th – September 9th, 2019

Road Closures:

Manhattan Street (access to Atlantic)
South State Street (btw Guernsey Avenue

& Exit 8 NB off-ramp) – Station only access from Washington Blvd.

Atlantic Street (btw Dock St & N. State St)
Dock Street (btw Atlantic St & John Street)
Atlantic Street (btw S. State St & Dock St)

Detours:

Guernsey Avenue (closed to SB traffic

from N. State St) Washington Blvd

Washington Blvd, Henry St. to Canal St.

SLIDE 21

Stages 2 & 3: June 28th – September 9th, 2019

Road Closures:

Manhattan Street (access to Atlantic)
South State Street (btw Guernsey Avenue

& Exit 8 NB off-ramp) – Station only access from Washington Blvd.

Atlantic Street (btw Dock St & N. State St)
Dock Street (btw Atlantic St & John Street)
Atlantic Street (btw S. State St & Dock St)

Detours:

Guernsey Avenue (closed to SB traffic

from N. State St) Washington Blvd

Washington Blvd, Henry St. to Canal St.

SLIDE 22

Pedestrian Detour of Atlantic Street: June - September 2019

Sidewalk Closures:

Atlantic Street (btw N. or S.

State St & Dock St) Detours:

Guernsey Avenue
Xing over Tracks via Station
Station Place
Access to S. State Street until

Stage 2 (June 2019)

SLIDE 23

Pedestrian Detour of Atlantic Street: June - September 2019

Sidewalk Closures:

Atlantic Street (btw N. or S.

State St & Dock St) Detours:

Guernsey Avenue
Xing over Tracks via Station
Station Place
Access to S. State Street until

Stage 2 (June 2019)

SLIDE 24

THANK YOU!!!

Regular Updates:

n the web: http://atlanticstreetbridge.com
n Facebook: atlanticstreetbridge
n Twitter: @Atlantic_Street

Sign up for Email Announcements on the Website Email: info@atlanticstreetbridge.com Project Signage in Station and Downtown Regular Public Meetings Flyers and Bulletins

SLIDE 25

Atlantic Street Bridge Project

CTDOT Project Nos. 1 3 5 -3 0 1 & 3 0 1 -1 6 3 ( Phase 2 )

Reconstruction of Atlantic Street & Metro‐North RR Bridge Replacement | Track & Station Infrastructure Improvements City of Stamford www.AtlanticStreetBridge.com