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Siebel Systems HQ and Parking Garage


Siebel Systems, in Watergate Tower IV, is a 17-story, 300,000 square-foot steel and concrete-framed high rise, half of which integrates with the four-level parking structure.

Because the building rests on the parking structure, we had to balance an aggressive construction schedule with the structural requirement that all concrete shear walls in the building be complete through the four levels of parking before erecting steel above. By building the interior portion of the parking structure first and then completing its exterior and the building simultaneously, we were able to complete the project earlier than expected.