Installation of the Rockland environmental monitors is scheduled to begin the week of May 20. These construction monitoring devices, which monitor vibration, noise, and air quality, will be in place for the duration of the New NY Bridge project.

Work on the Westchester trestle continues this week and will include daytime pile driving to install the temporary foundation piles needed to support the platform. Pile driving will be limited to the hours between 7 a.m. and 7 p.m. Monday through Friday. The trestle is a work platform that will support a crane for the construction of the easternmost 1,000 feet of the new bridge. The 1,000-foot long platform helps reduce the amount of dredging required and allows the crews to work from the water and not from the Westchester shoreline.

Environmental monitoring is in place and can be viewed at

Surveying work and soil sampling for the New NY Bridge Project will continue during the week of May 20 as engineering crews conduct more design surveys at various locations in Rockland and Westchester in the vicinity of the project, including the Westchester access road location on New York State Thruway property in Tarrytown.

Preconstruction geotechnical investigations will continue as small barge-based drilling equipment will work at various locations throughout the project footprint in the Hudson River. The crews are conducting preconstruction geotechnical surveys to determine soil conditions where future piles will be installed for the new span. Noise levels from the equipment will be at a minimum. The river-based operations will run continuously 24 hours a day Monday through Friday and possibly Saturday.


Limited test-boring operations will continue on land under the existing bridge and just to the north at the proposed bridge locations. These operations are being conducted on New York State Thruway property and will not affect traffic in any way. The work is scheduled to be conducted between the hours of 7 am and 5 pm Monday through Friday.


Surveying work and soil sampling for the New NY Bridge Project will continue during the week of May 20.

Soil sampling will be conducted in the area of New York State Thruway during daytime hours; this operation will not cause lane closures and should not affect traffic.

Tappan Zee Constructors, LLC. has no lane closures scheduled for River Road in South Nyack.

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