430 Park Avenue is under a huge scale renovation, which is uncommon for buildings on Park Avenue. Gilsanz Murray Steficek served as a structural engineer and curtain wall consultant. GMS designed the new curtain walls and steel substructure that were located behind the existing masonry façade to support the new curtain wall.

Halfway through the design phase of the future home to New York City’s Department of Information, Technology, and Telecommunications (DoITT) and New York City Police Department (NYPD), an increased awareness of terrorism required basic modifications to the structural system.