Please note that there is no work scheduled for Friday, December 25, and Friday, January 1. 

Superstructure work is underway, currently working on the cellar and first-floor levels. Over the next 2 to 3 weeks, work is scheduled to include:

  • Delivery of equipment and materials to the worksite, with about 30 trucks on average arriving per day, including concrete deliveries
  • Rebar and formwork installation
  • Pouring concrete walls and beams, and slab at the first-floor level

All activities are conducted based on New York State reopening guidelines for mandated physical distancing, protective equipment, and cleaning and hygiene protocols. COVID-19 health and safety measures are in place, including medical screenings for all workers entering the site, additional sanitizing and handwashing stations, and social distancing practices where feasible. 

Work will occur on weekdays from approximately 7 am to 3:30 pm, but may extend until approximately 6 pm. Flaggers will be present to ensure safe and efficient movement of vehicles into and out of the site. Night or weekend work may occasionally be required for certain construction activities, in which case advance notice will be provided. 

The work activities above are outlined based on the best available information for the current schedule and may be subject to change due to weather or other circumstances. 


  • Installation of scaffolding and building protection for adjacent buildings

For more information about the Gilder Center project, please visit the project website, For general inquiries, you can also call 212-769-5246 or email

Photo by AMNH New York