CESMD |
Information for Strong-Motion Station |
Riverside - 13-story Govt Office Bldg |
CGS - CSMIP Station 13312 |
Earthquakes recorded by this station |
Latitude | 33.9779 N |
Longitude | 117.3729 W |
Elevation (m) | 259 |
Site Geology | Deep alluvium over rock (granitic) |
Vs30 (m/sec) | 418 (measured) |
Site Class | C |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 13/1 |
Plan Shape | Rectangular |
Base Dimensions | 208' x 135'-4" |
Typical Floor Dimensions | 174'-3" x 99'-9" |
Design Date | 1972 |
Instrumentation | 1977. 15 accelerometers, on 4 levels in the building. |
Vertical Load Carrying System | Main Building: exterior concrete wall and interior steel frame to 3rd floor; steel frame from 3rd floor to roof. (13-story, 174' x 100'). Service Tower: exterior concrete wall to 7th floor; braced frame from 7th floor to roof. (14-story, 52' x 37') |
Lateral Force Resisting System | Main Building: Steel moment frames. |
Foundation Type | -- |
Remarks | -- |