425 Park Avenue

The new building will cover an area of 47,523 sq m (511,538 sq ft) and will stand at 206.5 m (677.5 ft) tall. In addition to being split across 43 stories, it will be divided vertically into three sections.
Between each section, there will be triple-height sky gardens will act as “urban squares in a vertical city.” As well as offering open space in Manhattan, which is otherwise at a premium, the gardens will feature cafes, bars and spaces for events.

The purpose is:

-provide the structural design of the secondary steel structure for the glazed curtain walling system W-5 located at 41-42 FLOORS

-provide the equipment and temporary steel used during the erection of the mid rise steel frames facades