Upper Deck Replacement - New York · Deck Replacement at Crossover Locations –3 months Stage 5A...
Transcript of Upper Deck Replacement - New York · Deck Replacement at Crossover Locations –3 months Stage 5A...
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Ed Koch/Queensboro BridgeUpper Deck Replacement
Contract 10 #BRC231F
December 2019
Source: Google
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Outline
• Bridge History
• Existing conditions - Main Bridge and Ramp
• What will be done - Project Scope
• What we hope to achieve - Project Goals
• How work will be done - Project Approach
• Construction schedule
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Bridge History
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• Construction began in 1901, opened to traffic in 1909
• Over a mile long, five span, double decked cantilever truss
• Designated a National Landmark in November 1973
• Bridge cross section changed over the years
• Bridge has carried:
- Trolleys until 1930’s
- Subway trains until 1950’s
- A vehicular elevator to Roosevelt Island until 1955
• Bridge currently carries vehicular traffic, pedestrians and bicycles
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• Bridge is over 100 years old
• Heavy traffic volumes
• Bridge rating is 4.214 out of 7 as of 2018
• Changes in bridge use over the years caused
Changes in bridge cross section
Additional weight on the bridge trusses
Heavier loads causing overstress in truss members
Existing Conditions
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Queens-bound Weekday Weekend
Average Daily Total Traffic 84,498 vehicles 85,348 vehicles
Average Peak Hour Traffic 5,302 vehicles 5,498 vehicles
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Manhattan-bound Weekday Weekend
Average Daily Total Traffic 85,976 vehicles 83,021 vehicles
Average Peak Hour Traffic 5,944 vehicles 4,442 vehicles
Existing Conditions – Current Traffic Volumes
Note: Peak Hour Traffic is the number of vehicles per hour in the peak period.
Peak period is from 5:00 a.m. to 9:30 a.m. and from 3:30 p.m. to 8:00 p.m.
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Ed Koch Queensboro
Bridge
Mario Cuomo
Bridge
170,474 vehicles 140,000 vehicles
Average Daily Traffic Volume Comparison
Brooklyn
Bridge
Manhattan
Bridge
Williamsburg
Bridge
Hugh L.
Carey
Tunnel
Midtown
Tunnel
Ed Koch
Queensboro
Bridge
Inbound 48,379 43,999 56,048 30,280 45,777 84,347
Outbound 51,607 40,049 55,527 23,252 38,851 89,161
with other Manhattan Bridges/Tunnels
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• Upper deck replacement on main bridge
• Upper deck rehabilitation on both approaches
• Structural steel rehabilitation
• Deck joints and barrier replacement
• Lighting and drainage improvements
• Incidental bridge painting
• Fire standpipe system
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Project Scope
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Project Goals
• Extend Upper Deck Service Life
Main bridge by minimum 50-75 years
• Lighter deck system
• Durable deck
• Increase Fire Suppression
• Limit public impacts
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• One lane continuous closure (upper level only)
• Off peak limited two lane closures
• Crossover in Manhattan & Queens to maintain current ramp
access operation
• South Outer Roadway & Lower Roadway open at all times
during stages 1 – 6
• Reduce HOV operation by half hour (6:00 a.m. to 9:30 a.m.)
• 4 main construction stages & 2 cross over stages (6 total)
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How work will be done
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Duration – 28 months
Pre-stage
(July 2018 to October 2020)
• Mobilization
• Test panel fabrication, off-site installation & testing
• Installation of under deck shield
• Temporary lighting
• Single lane closures in both directions overnight only
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Stages 1 & 2 (Oct 2020 to June 2021)
Duration - 9 months
North Upper Roadway (Manhattan-bound Lanes)
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to Manhattan to Manhattan
Stage 1 Stage 2
Deck replacement & fire standpipe installation
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Duration - 8 monthsSouth Upper Roadway (Queens-bound lanes)
Stage 4Stage 3
Stages 3 & 4 (August 2021 to April 2022)
to Queensto Queens
Deck replacement
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to Queens
to Manhattan
Deck Replacement at Crossover Locations – 3 months
Stage 5A
Stage 5 (June 2022 to August 2022)
Ongoing single lane closure and Full ramp closure 8:00 pm to 5:00 am each night - Sunday nights to Friday mornings 8:00 pm to 2:00 pm Friday night to Saturday; Saturday night to Sunday
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Ongoing single lane closure and Full ramp closure 8:00 pm to 2:00 pm Friday night to Saturday; Saturday night to Sunday
Deck Replacement at Crossover Locations – 3 months
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Stage 5B
Stage 5 (June 2022 to August 2022)
to Manhattan
to Queens
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Deck Rehabilitation at Approaches
Mainly overnight work
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Stage 6A (September 2022 to October 2022)
to Queens
to Manhattan
Ongoing single lane closure and Full ramp closure 8:00 pm to 5:00 am each night
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Deck Rehabilitation at Approaches
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Stage 6B (September 2022 to October 2022)
to Queens
to Manhattan
Mainly overnight work
Ongoing single lane closure and Full ramp closure 8:00 p.m. to 3:00 p.m. weekdays;
8:00 p.m. to 2:00 p.m. weekends
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• Notice to proceed: July 2018
• Pre-stage period: July 2018 – October 2020
• Stages 1 to 6:
Alternate Continuous closures: October 2020 – October 2022
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Summary of Project Schedule*
* Anticipated timeframe is subject to weather and field conditions
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Mitigation for Lane Closures
• Traffic Agents up to 20 hours per day
• All ramp exits and entrances follow existing operation through
crossovers
• 24 hour tow service on call in Manhattan and Queens
• Mitigation measures evaluated regularly and modified as
required
• Contract has penalty and incentive/disincentive clauses for
early closing and/or late opening of lanes18
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Community Outreach
•Maintain a notification network of stakeholders (local
businesses, civic and community organizations, public service
institutions, residents and travelling public)
•Social media – Twitter, Instagram, Facebook, Web Portals
•Public service updates – all media outlets
•Community liaison accessible via phone and email
•Information sharing with transportation partners
TRANSCOM NYSDOT NYTA
TBTA PANYNJ
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Thank you
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