Information for Strong-Motion Station
San Bernardino - 5-story Hospital
CGS - CSMIP Station 23634
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 34.1318 N
Longitude 117.3219 W
Elevation (m) 365
Site Geology Alluvium
Vs30 (m/sec) 304 (measured)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground5/0
Plan ShapeIrregular
Base Dimensions181' x 174'
Typical Floor DimensionsFrom 181' x 174' to 162' x 130'
Design Date1986
Instrumentation1992. 12 accelerometers, on 3 levels in the building
Vertical Load Carrying System3.25" thick light-weight concrete topping over 2" deep steel deck, with 3/4" diam. x 4" shear studs, supported by steel frames.
Lateral Force Resisting SystemDistributed ductile moment resisting steel frames in both directions, located at selected locations.
Foundation Type24" diam. cast-in-place concrete friction piles, about 48' long, penetrating through the fill to the natural soil. Pile caps are interconnected by grade beams, 6" slab on grade.
RemarksThe building was designed and constructed in accordance with Title 22 and 24 of the Califonia Adminstrative code. Adjacent to this building, on the south side, is a 3-story building separated by a 6" seismic joint.