CESMD

Information for Strong-Motion Station

Fremont - 3-story Police Dept Bldg

CGS - CSMIP Station 57783

Earthquakes recorded by this station

 

(Station Photograph - click to enlarge)	(Sensor Layout - click to see PDF File)

   

Latitude	37.5529 N
Longitude	121.9689 W
Elevation (m)	13
Site Geology	Deep alluvium
Vs30 (m/sec)	377 (measured)
Site Class	C/D
Remarks/Notes	Site information sources

 

No. of Stories above/below ground	3/0
Plan Shape	Rectangular
Base Dimensions	142' x 245'
Typical Floor Dimensions	Varies (142' x 147' at roof)
Design Date	1992-93
Instrumentation	1999. 15 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site.

 

Vertical Load Carrying System	12" thick reinforced concrete flat slab supported by pile caps at the 1st floor. 2.5" to 5.5" thick concrete over 3" metal deck supported by steel beams and columns for the remaining floors.
Lateral Force Resisting System	Multiple steel moment frames in both directions from 1st to 3rd story. Steel braced frames and moment frames in the penthouse.
Foundation Type	14" square precast, prestressed concrete piles up to 64' long. Individual columns and frames are supported on groups of 1 to 46 piles. Building columns are connected to the pile caps with steel base plates and anchor bolts.
Remarks	This building houses the Police Administration and 911 Response Center. It is located roughly 150' east of the Hayward Fault. It was designed as per 1991 UBC.