Author: admin

Willis Tower (Sears Tower)

Architects: Skidmore, Owings & Merrill (SOM)Area: 413,960 m² (4,455,844 ft²)Year: 1974Photography: SOMLead Architect: Bruce GrahamStructural Engineer: Fazlur Rahman KhanMEP Engineering: Jaros, Baum & BollesContractor: Diesel Construction CompanyManufacturers: Kuraray, CampolonghiClient: Sears,…