 |  |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| San Francisco - 42-story Resid. Bldg |
| CGS - CSMIP Station 58437 |
| Earthquakes recorded by this station |
| |
| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 37.7894 N |
| Longitude | 122.3905 W |
| Elevation (m) | 3 |
| Site Geology | Shallow alluvium over rock |
| Vs30 (m/sec) | 1530 (measured) |
| Site Class | B |
| Remarks/Notes | Site information sources |
| No. of Stories above/below ground | 42/5 |
| Plan Shape | Square (with irregularities) |
| Base Dimensions | 275 ft x 256 ft |
| Typical Floor Dimensions | 108 ft x 107 ft |
| Design Date | 2006 |
| Instrumentation | 2009, 27 accelerometers on 10 levels. |
| Vertical Load Carrying System | Post-tensioned concrete flat slab (Levels 4 and higher) supported by concrete columns and core shear walls. Floors at Level 3 and below are normal concrete slabs. |
| Lateral Force Resisting System | Ductile concrete core shear wall system. |
| Foundation Type | Concrete mat foundation (14 feet beneath the tower) bearing on bedrock. |
| Remarks | This building is the eastern tower in a complex which includes two towers (42- and 37-story) and two mid-rise buildings (8- and 9-story). These buildings were designed accroding to the 2001 CBC. |