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75B - 3810 S. BRISTOL ST.
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01/05/2004
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75B - 3810 S. BRISTOL ST.
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Last modified
1/3/2012 5:03:24 PM
Creation date
1/9/2004 4:14:36 PM
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City Clerk
Doc Type
Agenda Packet
Item #
75B
Date
1/5/2004
Destruction Year
2009
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VI. GEOLOGY/SOILS <br /> <br />Rupture of a known earthquake fault, as delineated on <br />the most recent Alquist-Priolo Earthquake Fault Zoning <br />Map issued by the State geologist for the area or <br />based on other substantial evidence of a known fault? <br /> <br />No Impact <br /> <br />According to the Seismic Hazard Zone Map, the project site <br />is not located within a current Alquist-Priolo Earthquake <br />Fault Zone for fault surface rupture hazard. The surface <br />traces of any active or potentially active faults are not <br />known to pass directly through or project towards the site. <br />Therefore, the potential for surface rupture due to faulting <br />occurring beneath the site during the design life of the <br />proposed project is considered low. <br /> <br />A-2. Strong Seismic Ground shaking? <br /> <br />Less Than Significant Impact <br /> <br />The project site is situated within a highly active seismic <br />region of southern California. A total Of 38 active faults <br />have been identified within an approximate 60-mile radius <br />of the project site. The Newport/Inglewood Fault located <br />approximately 13 miles south from the City of Santa Ana is <br />considered to be one of the most dominant faults in regard <br />to potential seismic shaking impacts. The project site <br />could potentially be subject to a maximum credible <br />horizontal ground acceleration of 0.30g from a magnitude <br />6.9 earthquake along the .Newport/IngleWood fault zone. A <br />seismic event of this scale could potentially result <br />significant damage to the proposed project. However, the <br />seismic risks at the project site would not be considered <br />significantly different from other areas in the southern <br />California region. As part of the City's development review <br />process, the proposed project would be required to prepare <br />a geotechnical study to evaluate potential seismic hazards <br />on the project site and to identify design recommendations <br />to mitigate potential seismic hazard impacts. Additionally, <br />the proposed project would be subject to the seismic safety <br />standards of the Uniform Building Code. Preparation of the <br />geotechnical report and compliance design recommendations <br />and the Uniform Building Code would reduce potential <br />seismic hazard impacts to a level considered less than <br />significant. <br /> <br />9 <br /> <br />Page 101 75.B. <br /> <br /> <br />
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