CESMD
Information for Strong-Motion Station
Irvine - 2-story Caltrans TMC Bldg
CGS - CSMIP Station 13208
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 33.6784 N
Longitude 117.7539 W
Elevation (m) 68
Site Geology Deep alluvium
Vs30 (m/sec) 314 (inferred)
Site Class D
Remarks Site information sources
 
No. of Stories above/below ground2/0
Plan ShapeRectangular
Base Dimensions220 x 105 ft (67.1 x 32.0 m)
Typical Floor Dimensions198 x 95 ft (60.4 x 29.0 m)
Design Date1999
Instrumentation2003, 12 accelerometers, on 3 levels. 3 accelerometers at a reference free-field site.
 
Vertical Load Carrying SystemConcrete slabs over metal decks supported by steel frames. Frames are supported by 32 high damping rubber (HDR) isolators and 2 slide bearings.
Lateral Force Resisting SystemBraced steel frames (Chevron type) on 32 high damping rubber (HDR) isolators and 2 slide bearings.
Foundation TypeSpread footings
Remarks--