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UCSD Seismic Test Facility

Piñon Flats, California


University of California, San Diego


University of California, San Diego


University of California, San Diego


October 25, 2004

These four vaults installed in Southern California protect sensitive seismic testing equipment utilized by scientists from the University of California, San Diego. Two of the vaults contain deep granite floor bases and two have floating concrete slab bases that support the equipment inside.

“What we wanted was a pre-engineered solution that would be more cost-effective than trying to build something ourselves” said UCSD Engineer Stephen Docktor. “This is the only place in the country, possibly the world, that does this type of testing”

The CON/SPAN® vaults protect the equipment from temperature changes, wind, nearby traffic and other outside vibrations that often move or shake above-ground structures. The equipment measures crustal deformation in a tectonically active area to improve estimates of earthquake activity throughout Southern California.


Technical Description:

  • Span: 12 ft
  • Rise: 10 ft
  • Length: 6.98 ft (4 units)

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