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September 2016 New NY Bridge Monthly Newsletter

August 31, 2016 by
September 2016
New NY Bridge Project Monthly Newsletter
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Sky-High Sights:
New Photos Show Construction From Above
The latest batch of aerial photography showcases the New NY Bridge project advancing across the Hudson River. The approaches in Westchester and Rockland continue to take shape with prefabricated road deck panels and enormous steel girder assemblies, installed by the I Lift NY super crane. At the main span, stay cables have begun to connect the burgeoning roadway to the four northern span towers, which each have reached nearly 400 feet in height.
The New NY Bridge project has become a symbol for what the state can accomplish. Watch the new twin-span crossing take shape during the past three years in this new time-lapse video. From steel girders to concrete towers, from piles to road deck, from shoreline to shoreline, the transformation has been amazing.

Rising to the Top:

The New NY Bridge project is reaching new heights this summer as half of the eight iconic main span towers grow closer to completion. The four massive concrete structures on the northern bridge now stand nearly 400 feet above the Hudson River, just a few dozen feet away from their final 419-foot height.

Crucial Calculations:

As millions of pounds of steel and concrete are installed above the Hudson River, the New NY Bridge project’s surveyors are using lasers and other state-of-the-art technology to ensure that these materials are placed with pinpoint precision.
Frequently Asked Questions
Q:
Will there be a period when there is no Tappan Zee Bridge to cross?      
A:
No. The plan is to always have a bridge open to traffic during and after construction. Tappan Zee Constructors is currently building both new bridges just north of the existing Tappan Zee Bridge. The new northern span will be completed first and then all traffic will be temporarily shifted from the existing bridge onto the new northern span. The new northern span will be 96 feet wide with enough space for 8 temporary lanes and a center safety divider. Once the landings of the existing bridge are torn down and the pre-built southern span is connected to the landings, then half the traffic will be shifted off the northern span. In the final condition, each new span will have 4 general traffic lanes (all 12 feet wide), breakdown lanes, emergency access/bus lanes and the northern span will include a bike/pedestrian path.
Filed Under: Governor Cuomo, Tappan Zee Bridge Tagged With: , , , , ,

Video Captures the New NY Bridge Progress!

August 29, 2016 by

Three Years in Two Minutes

New Video Captures Construction Progress

The New NY Bridge project has become a symbol for what the state can accomplish.

Watch the new twin-span crossing take shape during the past three years in this new time-lapse video. From steel girders to concrete towers, from piles to road deck, from shoreline to shoreline, the transformation has been amazing.

Initiated by Gov. Andrew M. Cuomo, the 3.1-mile New NY Bridge project is one of the largest active projects of its kind in the nation.

The time-lapse video debuted today as part of Governor’s Day at the Great New York State Fair in Syracuse, a 12-day celebration that shares the best that New York State has to offer. For those visiting the State Fair, you can check out the video at the Governor’s booth.

The video is also available on the New NY Bridge project’s YouTube page.

Those interested in a closer look are also invited to view the daily project progress via the project’s webcams and photo gallery as well as by visiting the New NY Bridge construction viewing platforms at Scenic Hudson RiverWalk in Tarrytown and Memorial Park in Nyack.

http://www.newnybridge.com/three-years-in-two-minutes-new-video-captures-construction-progress/ 

Filed Under: Governor Cuomo, Tappan Zee Bridge Tagged With: , , , , ,

Project Update: STAY CABLE INSTALLATION CONTINUES

August 5, 2016 by
TZ

For immediate release: August 4, 2016

STAY CABLE INSTALLATION CONTINUES
Work Progresses on Main Span

Tappan Zee Constructors, LLC (TZC) continues to install the new northbound bridge’s stay cable system. The stay cables are comprised of numerous metal strands, tightly packed in a protective sheath. After the initial installation process, TZC will install additional strands inside the sheath to provide further strength.

TZC will install new structural steel sections and stay cables on alternating sides of the towers as work continues. Precast concrete deck panels will also be placed in the erected steel sections to provide a base driving surface.

Maintenance Dock Construction
TZC will continue constructing a New York State Thruway Authority maintenance dock near the new bridge’s Rockland landing. The work involves partially dismantling the existing work trestle that was used to construct the northern span of the new bridge. Work will take place during daytime hours. The construction efforts are expected to conclude later this year.

Noise Barrier Construction
TZC will continue constructing noise barriers along the New York State Thruway (I-87/I-287) in South Nyack next week. The work includes constructing noise barrier foundations and excavating soil along the southbound Thruway between the South Broadway bridge and River Road. After the foundations are established, concrete panels that form the noise barriers will be installed. The barriers will be treated with sound-absorbing material to further reduce traffic noise in the nearby community.

TZC also will continue constructing foundation walls for the future highway and shared-use path along the northbound Thruway in South Nyack. The operation is scheduled to continue in the coming months.

Additional work includes:

  • Main span tower construction
  • Support for river-based work from the Rockland trestle
  • Rockland landing retaining walls
  • Survey inspections on the existing bridge
  • Utility work at the Westchester landings
  • Girder assembly placement
  • Bridge road deck installation
  • Drainage structure installations
  • Maintenance facility construction in Tarrytown
  • Soil boring in South Nyack

Boater Safety
Marine units are continuing patrols to monitor the construction zone and encourage all boaters to obey the established U.S. Coast Guard safety protocols.

The U.S. Coast Guard has established a Safety Zone surrounding 16 construction barge mooring locations at the project site. No unauthorized vessels are allowed in the Safety Zone. The U.S. Coast Guard also has established a safety zone encompassing all navigable waters within a 200-yard radius of the largest machine on the project, the I Lift NY super crane, legally registered with the U.S. Coast Guard as the Left Coast Lifter.

In addition, marine law enforcement will be enforcing the rules of the expanded Regulated Navigation Areas (RNAs) east and west of the Safety Zone. The RNAs stretch 500 yards north and 500 yards south of the existing bridge. The Eastern RNA will be extremely active and vessels transitioning to and from the eastern shoreline at Tarrytown should approach and depart to the north. The Western RNA will be impassable at times and mariners should stay clear of the area.

Boaters are strongly urged to use the center 600 feet of the main channel (when available) to navigate in a north-south direction with no wake at a maximum speed of five knots. Boaters should expect periodic partial closures of the main channel due to construction activities. Tune to Marine Radio Channel 22A for the latest U.S. Coast Guard advisories.

Mariners also should be aware that TZC will continue work in the vicinity of the side channels under the existing bridge. Mariners are advised to stay clear of all overhead work and maintain a safe distance of 1,000 feet from all construction equipment and support vessels. In addition, all bridge piers and abutments are protected by a 25-yard security zone.

Additional temporary navigational lights have been installed on the existing bridge to further define the 600-foot navigation channel under the main span. Permanent elements of the new bridge are lit per U.S. Coast Guard permit requirements, as are all moorings, barges and other equipment. All mariners should consult the latest USCG Local Notice to Mariners before transiting this area.

More New NY Bridge boater safety information, including the U.S. Coast Guard Notice to Mariners and construction site map can be found at NewNYBridge.com/Boater. The page includes an interactive GPS map showing vessel locations on the Hudson River, detailing which vessels are stopped and which are in motion to a new location, for recreational and commercial boaters to get current information on the very active construction zone. The vessel tracking map is for informational purposes and not intended for navigation.

All lane closures are subject to change due to traffic, weather or emergency situations. Please visit http://www.thruway.ny.gov/travelers/map/ for real-time information regarding traffic conditions.

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New NY Bridge Project, 303 South Broadway, Suite 413, Tarrytown, NY 10591
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Filed Under: Governor Cuomo, Tappan Zee Bridge Tagged With: , , , , , , ,

New NY Bridge Project August 2016 Newsletter

August 5, 2016 by
August 2016
New NY Bridge Project Monthly Newsletter
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Shaping Up:
Aerial Photos Capture Project Progress
The outline of the new twin-span crossing is emerging this summer as the project continues to make remarkable progress on the Hudson River. The Rockland and Westchester approaches continue to grow with rows of steel girders and hundreds of precast road deck panels. At the main span towers, crews are also installing sections of steel and roadway, and preparing the area for the new stay cable system.

Stay Cable Installation Begins:

The New York State Thruway Authority announced that Tappan Zee Constructors, LLC has completed installation of the first stay cables on the New NY Bridge project. The stay cables, along with the 419-foot towers, will be the most prominent features of the new 3.1-mile structure. The first two stay cables were installed by TZC on the new northbound bridge’s main span on Thursday, July 21, 2016.

Reaching New Heights:

In just half a year, Tappan Zee Constructors, LLC has transformed the New NY Bridge project site by connecting piers, installing road deck panels and doubling the height of the new main span towers. The iconic structures now rise above the existing Tappan Zee Bridge, with TZC preparing to install the first of nearly 200 stay cables.

“Front Row Seat” to Progress:

With summer in full swing, the New NY Bridge project is making its most visible advancements to date. Those keen on observing the progress firsthand have a “front row seat” to the action, through the project’s viewing platforms and outreach centers in Tarrytown and Nyack.
Frequently Asked Questions
Q:
Why does the current Tappan Zee Bridge need to be replaced?     
A:
The Governor Malcolm Wilson Tappan Zee Bridge opened to traffic in 1955 and is a vital artery for residents, commuters, travelers, and commercial traffic. The bridge, which was designed to carry up to 100,000 vehicles per day, currently handles an average of 140,000 daily, and traffic congestion and delays are regular occurrences. Heavy traffic, narrow lanes and the lack of emergency shoulders contribute to congestion and frustration for motorists and can create unsafe driving conditions. As a result, the bridge has twice the average accident rate per mile as the rest of the 574-mile Thruway system. In recent years, hundreds of millions of dollars have been spent to maintain and repair the bridge. If the current bridge were not being replaced, the state would need to spend an additional $3 to $4 billion over the next 20 years to ensure its structural integrity.
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Filed Under: Governor Cuomo, Tappan Zee Bridge Tagged With: , , , , , , , , ,
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