Work is progressing on the steel superstructure of 270 Park Avenue, JP Morgan Chase‘s new 1,425-foot supertall headquarters in Midtown, Manhattan. The 2.5-million-square-foot skyscraper is located between Park and Madison Avenues and 47th and 48th Streets and replaces the Union Carbide Building, which is now fully demolished.
A significant amount of progress has occurred since our last update in June, when the 707-foot-tall former headquarters had finished being razed. In the intervening months, several additional groups of giant diagonal steel columns have been erected, flaring outward from three major points on the perimeter of the northern and southern sides of the first level.
The deep parallel steel girders running east and west around the center of the supertall are quickly approaching Park Avenue on the eastern half of the Midtown East site.
YIMBY also spotted a steel segment with multiple connections being hoisted into place.
The photographs below show the towering height and scale of the first level around the center of the project. Elevator shafts, egress staircases, mechanicals, and other essential components for 270 Park Avenue would likely go here, along with what we assume will be generous amounts of space for the main lobby. For now it remains as a fairly hollow open-sir space where deliveries and crews pass through.
It’s possible to see the actual office floors being framed and assembled once the ground floor is fully built up, which could likely occur by the end of the summer. Below is a sectional diagram color coded to indicate the usage of each floor. Trading floors will be the largest in volume and will sit directly above the partially cantilevering base. It appears that there will be two sets of four-story atrium spaces that divide the trading floors in half. Directly above is the first set of multi-level mechanical floors, and interspersed at various sections between higher office levels are the architectural setbacks, which will accommodate the amenity spaces including outdoor terraces.
A completion date for 270 Park Avenue has not been released, nor have the name of the architect and official renderings.