Information for Strong-Motion Station
Newport Beach - 7-story Hospital
CGS - CSMIP Station 13291
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 33.6245 N
Longitude 117.9291 W
Elevation (m) 6
Site Geology Alluvium over rock (claystone)
Vs30 (m/sec) - -
Site Class D
Remarks Site information sources
No. of Stories above/below ground 7/1
Plan Shaperectangular
Base Dimensions236 x 147 ft
Typical Floor Dimensions236 x 147 ft
Design Date2002
Instrumentation2005, 23 accelerometers and 4 relative displacement sensors on 6 levels.
Vertical Load Carrying SystemConcrete slabs over metal decks supported by steel beams and columns, and base isolators.
Lateral Force Resisting SystemSteel moment frames between the penthouse and the first floor, steel braced frames at the penthouse, and concrete shear walls between the first floor and basement. Steel trusses between the second and the interstitial floors. The structure is base-isolated by 54 high damping rubber isolators.
Foundation TypeConcreye mat foundation, typically 3 to 6 feet thick.
RemarksFunding for the building instrumentation was provided by the hospital owner as required by OSHPD. CSMIP provided assistance in instrumentation.