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31A - 100 W. MACARTHUR BLVD.
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06/06/2005
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31A - 100 W. MACARTHUR BLVD.
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Last modified
1/3/2012 4:55:13 PM
Creation date
5/31/2005 5:11:08 PM
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City Clerk
Doc Type
Agenda Packet
Item #
31A
Date
6/6/2005
Destruction Year
2010
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<br />According to the City's General Plan Land Use Element EIR <br />there are no known cultural resources on the project site. <br />Additionally, the project site is currently improved. The <br />probability for the discovery of unknown cultural resources <br />during construction operations would be remote. <br /> <br />VI. GEOLOGY/SOILS <br /> <br />A-I. 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 proj ect site <br />is not located within a current Alquist-Priolo Earthquake <br />Faul t 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 extend towards the project <br />site. Therefore, the potential for surface rupture due to <br />faulting occurring beneath the site during the design life <br />of the proposed project would be 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 NewportjInglewood 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 subj ect to a maximum credible <br />horizontal ground acceleration of O. 30g from a magnitude <br />6.9 earthquake along the NewportjInglewood fault zone. A <br />seismic event of this scale could potentially result <br />significant damage to the proposed proj ect. 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. The proposed project would be subject to <br />the seismic safety standards of the Uniform Building Code. <br />Compliance with the Uniform Building Code would reduce <br />potential seismic hazard impacts to a level considered less <br />than significant. <br /> <br />10 <br /> <br />31A~41 <br />
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