CESMD
Information for Strong-Motion Station
Castro Valley - 6-story Hospital
CGS - CSMIP Station 58494
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 37.6981 N
Longitude 122.0903 W
Elevation (m) --
Site Geology Shallow alluvium over rock
Vs30 (m/sec) 457 (measured)
Site Class C
Remarks/Notes Site information sources
 
No. of Stories above/below ground 6/1
Plan ShapeIrregular
Base Dimensions375 x 220 ft
Typical Floor Dimensions270 x 220 ft
Design Date2009
Instrumentation2011, 19 accelerometers on 5 levels.
 
Vertical Load Carrying SystemLightweight concrete fill over metal deck supported by steel beams and columns. Steel beams and columns from basement to Level 3 located with concrete walls are encased in concrete.
Lateral Force Resisting SystemReinforced concrete shear walls at interior and perimeter from Basement to Level 3. Concentrically braced steel frames from Level 3 to Roof.
Foundation Type24" diameter concrete CIDH piles with concrete pile caps and grade beams.
RemarksStructural design was based on the 2007 California Building Code. This building is instrumented as part of the OSHPD/CSMIP agreement to instrument hospitals in California.