As the architect proceeds from drawing to drawing—layer after layer of tracing paper—“What stays fixed in the drawings will stay fixed in the building over time,” says architect Peter Calthorpe. “The column grid will be in the bottom layer.” Likewise the construction sequence is strictly in order: Site preparation, then foundation and framing the Structure, followed by Skin to keep out the weather, installation of Services, and finally Space plan. Then the tenants truck in their Stuff.
