Information for Strong-Motion Station
El Segundo - 14-story Office Bldg
CGS - CSMIP Station 14654
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 33.9206 N
Longitude 118.3914 W
Elevation (m) 33
Site Geology Deep alluvium
Vs30 (m/sec) 338 (measured)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground14/0
Plan ShapeSquare with clipped corner
Base Dimensions178' x 178'
Typical Floor DimensionsHexagonal 101' x 251'
Design Date1985
Instrumentation1993. 16 accelerometers, on 4 levels in the building.
Vertical Load Carrying System3.25" lightweight concret over 3" steel deck supported on steel frames. All steel beams supporting steel deck are provided with Nelson Studs at 1 foot intervals to act as shear connectors.
Lateral Force Resisting SystemChevron type braced frames at the core of the building and ductile moment resisting steel frames at the perimeter.
Foundation Type6' to 9' wide, 8.5' deep concrete grade beams in both directions supporting building columns
RemarksThe building was designed as per the requirements of the 1982 Uniform Building Code (UBC)