CESMD |
Information for Strong-Motion Station |
Los Angeles - 4-story Govt Office Bldg |
CGS - CSMIP Station 14766 |
Earthquakes recorded by this station |
Latitude | 33.9612 N |
Longitude | 118.3793 W |
Elevation (m) | 31 |
Site Geology | Deep alluvium |
Vs30 (m/sec) | 332 (inferred) |
Site Class | D |
Remarks/Notes | Site information sources |
No. of Stories above/below ground | 4/0 |
Plan Shape | Rectangular |
Base Dimensions | 324' x 216' |
Typical Floor Dimensions | 324' x 144' |
Design Date | 1984 |
Instrumentation | 1998. 12 accelerometers, on 5 levels in the building. 3 accelerometers at a reference free-field site. |
Vertical Load Carrying System | Concrete slabs over metal decks supported by steel frames. |
Lateral Force Resisting System | Perimeter moment resisting steel frames. Seismically upgraded with viscous dampers. |
Foundation Type | Isolated spread footings |
Remarks | The building was constructed in 1984 and seismically upgraded in 1997. |