Tag: John Portman
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PreCast Concretes’ Role in San Francisco
The Tulip at Embarcadero Center Four Concrete began as a structural component of architecture. A mixture of cement, aggregate and water, concrete has been used as a building material for over a millennia. It was only in the 1920s, however, that technical innovation allowed for precast concrete to become an acceptable substitute for stone in…
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The Embarcadero Center
When urban renewal laws took hold in the 1950’s, city planner M. Justin Herman spearheaded a plan to redevelop the site where Embarcadero Center now stands into a mixed-use “city within a city.” David Rockefeller, John Portman, and Trammel-Crow submitted the winning proposal to develop the 8.5 acre site. Embarcadero Center’s four office towers were…