This course considers structural systems, commencing with the design of individual members discussed in Structures II and moving to the design of the whole building. The course develops the concept of a building comprised of horizontal and vertical systems that are organized strategically. Alternative arrangements of structural systems are considered based on their structural behaviour and their relationship to materials of construction. Building lateral loads and load transfer mechanisms are explored. The course concludes with a discussion on connections and detailing of components of complex systems, exploring examples for specific materials.