One Madison Ave, a major repositioning project in the heart of Manhattan, transforms an existing structure into a modern, high-performance office tower. The façade incorporates a sophisticated blend of systems, including unitized curtain wall with integrated horizontal and vertical sunshades, glass and stone cladding, and aluminum framing. Larson Engineering, Inc. provided comprehensive structural engineering services for the full façade scope on this landmark redevelopment. Supporting the design and performance of each enclosure system, from embeds and primary framing members, to specialty glass and miscellaneous cladding elements throughout the project.