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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| CESMD |
| Information for Strong-Motion Station |
| Redwood City - 16-story Office Bldg |
| CGS - CSMIP Station 58615 |
| Earthquakes recorded by this station |
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| (Station Photograph - click to enlarge) | (Sensor Layout - click to see PDF File) |
| Latitude | 37.5306 N |
| Longitude | 122.264 W |
| Elevation (m) | -- |
| Site Geology | Deep alluvium |
| Vs30 (m/sec) | -- |
| Site Class | - |
| No. of Stories above/below ground | 16/0 |
| Plan Shape | Rectangular |
| Base Dimensions | 225' x 100' |
| Typical Floor Dimensions | Rectangular with rounded corner 225' x 100' |
| Design Date | 1989 |
| Instrumentation | 1991. 12 accelerometers, on 4 levels in the building. 3 accelerometers at a reference free-field site. |
| Vertical Load Carrying System | Concrete slab floors, 2.5" and 4.5" thick, with welded metal studs, over metal deck and supported by distributed steel frames. |
| Lateral Force Resisting System | Perimeter moment resisting steel frames in both directions, but only at selected bays. Four interior eccentric braced frames in the transverse direction. |
| Foundation Type | Concrete spread footings supported by prestressed concrete driven piles and interconnected by grade beams, 30" to 48" thick. |
| Remarks | Seismic design criteria was based on the 1985 UBC and the Redwood City Younger Bay Ordinace. |