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Project Riverboat

Scope: Rooftop pyramid on the on fourth tallest high-rise building in Charlotte, NC, with exposed structural steel and a white ETFE sail fitted to the inner face. The entire pyramid had to be statically determinate which, along with high wind loads, called for relatively massive sliding bearings.
Country: USA
Client: Birdair, Inc.
Architect: HKS, Inc.
Size: 80 tonnes of steel, 1450 m2 of ETFE
Photo: Birdair, Inc.
Partner: LEICHT
One of many structural joints, vertical pipe diameter 16" (406mm) One of many structural joints, vertical pipe diameter 16" (406mm)
Sliding bearings, restrained in one direction Sliding bearings, restrained in one direction
Finished rooftop pyramid Finished rooftop pyramid