New York University is scheduled to replace the glass facade of Warren Weaver Hall with a more sustainable and durable glass facade during the summers of 2019, 2020, and 2021. The first phase of this project is scheduled to begin in April 2019 and continue through fall 2019. All work is weather and site conditions permitting. The second phase of this project is scheduled to begin in October 2021 and continue through winter 2023.  


Work Hours

  • Monday - Friday
    7:00 am - 6:00 pm. Noisy work is not scheduled to occur before 8:00 am.
  • Saturday
    9:00 am - 5:00 pm.
  • Some night and evening work may be required. Neighbors will be given advanced notice of night and evening work.

Current Project Update

December 18, 2023

  • Due to technical challenges and equipment issues, the street boilers that provide services to the building are scheduled to remain in place.

Scope of Work

  • This project will require temporary boilers to be installed to support repairs to the Co-Generation Power Plant. The boilers are supplementing the building heat system while interior repairs are ongoing.
    • Temporary boilers will be installed on the corner of West 4th Street and Mercer Street.
    • This work will require to install sidewalk bridging around the boilers to support the utility connections.
    • Temporary boilers will turn on and off intermittently. When the boilers are turned on it may emit nontoxic smoke.               
  • This project will include the demolition and removal of the existing glass facade, and replacement and installation of new glass facade, on the Mercer and West 3rd Street sides of the building.
    • This work will require contractors to be active on both the interior floors of the building, and on the exterior facade.
    • Removal and replacement of the existing facade will require contractors to perform work from a hanging scaffold at various elevations across the building facade.
    • The project is expected to involve abatement of asbestos containing material, or ACM. All contractors will follow NYU's safe abatement protocols
  • In order to protect pedestrian safety, and at the stipulation of the NYC Department of Buildings, sidewalk bridging and a plywood fence are scheduled to be installed on the Mercer and West 3rd Street sides of the building.
    • Sidewalk bridging is scheduled to be installed along the perimeter of the building on Mercer Street and West 3rd Street in order to provide a safe walkway to and from the building.
    • In order to ensure pedestrian safety on the Mercer Street side of the building, a plywood fence is scheduled to enclose the southern portion of the Cogen Plaza from late May 2019 through fall 2019. 
    • The portion of Cogen Plaza located at the corner of West 4th and Mercer Streets is scheduled to remain unenclosed and open to pedestrians for the duration of the first phase of the project.

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