CESMD
Information for Strong-Motion Station
Oakland - Calrus Building
CGS - CSMIP Station 58225
Earthquakes recorded by this station
 
(Station Photograph - click to enlarge)(Sensor Layout - click to see PDF File)
   
Latitude 37.7417 N
Longitude 122.1498 W
Elevation (m) 21
Site Geology Alluvium
Vs30 (m/sec) - -
Site Class C
Remarks/Notes Site information sources
 
No. of Stories above/below ground"3/0"
Plan ShapeRectangular
Base Dimensions65'-4" x 106'
Typical Floor Dimensions70'-8" x 106'
Design Date1972
Instrumentation1976. 8 accelerometers, on 2 levels in the building.
 
Vertical Load Carrying System1-1/2" light-weight concrete floor slab on 5/8" plywood; plywood supported by 2" x 14" joists and glulam beams; glulam beams supported by structural steel columns, wood stud walls and masonry walls.
Lateral Force Resisting SystemGround to 2nd floor--8" reinforced masonry block walls at various locations; 2nd floor to roof-- 8" reinforced masonry block wall along west end, 8" reinforced masonry-block elevator shaft in southeast corner and steel-braced wood stud wall along part of east end of building
Foundation TypeReinforced concrete spread footings
Remarks--