Information for Strong-Motion Station
West Sacramento - 18-story Office Bldg
CGS - CSMIP Station 67402
Earthquakes recorded by this station
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
Latitude 38.5850 N
Longitude 121.5093 W
Elevation (m) 7
Site Geology Shallow alluvium
Vs30 (m/sec) 264 (inferred)
Site Class D
Remarks/Notes Site information sources
No. of Stories above/below ground18/1
Plan ShapeIrregular
Base Dimensions245 ft x 315 ft
Typical Floor Dimensions123 ft x 223 ft
Design Date2006
Instrumentation2009, 15 accelerometers on 5 levels, and free-field.
Vertical Load Carrying SystemAt parking structure, concrete slab supported by concrete beams, columns, and shear walls. At the tower, concrete fill over steel deck supported by steel beams and columns.
Lateral Force Resisting SystemAt parking structure, concrete moment frames and shear walls. At the tower, perimeter steel moment resisting frames (with cover plates) and eccectrically-braced steel frames at two interior cores.
Foundation TypeAll columns supported by square precast prestressed concrete piles. Pile caps are tied with concrete grade beams.
RemarksThe building design conforms to the 2001 CBC.