CESMD |
Information for Strong-Motion Station |
San Francisco - 14-story Gov Office Bldg |
CGS - CSMIP Station 58776 |
Earthquakes recorded by this station |
Latitude | 37.7810 N |
Longitude | 122.4177 W |
Elevation (m) | 21 |
Site Geology | Alluvium over rock (Franciscan) |
Vs30 (m/sec) | 286 (inferred) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 14/1 |
Plan Shape | Rectangular |
Base Dimensions | 151 x 408 ft (46.0 x 124.4 m) |
Typical Floor Dimensions | 151 x 408 ft (46.0 x 124.4 m) |
Design Date | 1995 |
Instrumentation | 1999. 12 accelerometers, on 4 levels in the building. |
Vertical Load Carrying System | Lightweight concrete slabs over metal decks supported on steel beams and columns. |
Lateral Force Resisting System | Steel moment frames in both directions with about 300 viscous dampers. Concrete shear walls are located below the second floor at each damper bay. |
Foundation Type | 5'-6" thick concrete mat foundation. |
Remarks | -- |