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SANTA ANA REZONE PROJECT <br /> INITIAL STUDYiMITIGATED NEGATIVE DECLARATION <br /> project site containing a solar panel shade structure above the EV charging stations and associated EV <br /> charging stalls.Although the project site is outside of any areas susceptible to liquefaction, it is in <br /> proximity to such areas.The only proposed structures on the project site that may be affected by <br /> seismic events are the proposed solar shade structures,which, as discussed above,would be <br /> constructed consistent with seismic design requirements of the 2022 CBC.As such, impacts related to <br /> seismic-related ground failure, including liquefaction, would be less than significant. <br /> iv) Landslides? <br /> No impact.The project is located on a relatively flat site that is surrounded by existing development <br /> and not located adjacent to any hills or steep slopes.According to the 2021 Recirculated PEIR, there <br /> is the potential for slope failure and landslides to occur near the banks of the Santa Ana River or <br /> Santiago Creek-, however, these areas are approximately 4 miles west of the project site.As such, <br /> there no impacts would occur.13 <br /> b) Result in substantial soil erosion or the loss of topsoil? <br /> No impact.The project site is an existing gravel parking lot, which would be paved as part of the <br /> implementation of the proposed project.Accordingly, the proposed project would not result in the <br /> potential for soil erosion or loss of topsoil.As such, there would be no impact. <br /> c) Be located on a geologic unit or soil that is unstable, or that would become unstable <br /> as a result of the project, and potentially result in on-or off-site landslide, lateral <br /> spreading,subsidence, liquefaction or collapse? <br /> Less than significant impact. The following analysis is based on the 2021 Recirculated PEIR, the <br /> General Plan Safety Element, and data from the CGS.34,"," <br /> • Liquefaction or Collapse:The project site is located outside of a liquefaction zone, with the <br /> closest being approximately 0.2 mile south.As discussed above, the proposed project would <br /> not include large structures that would pose a hazard in the event of a seismic event related to <br /> unstable soils.Additionally, the proposed solar shade structures would be constructed <br /> consistent with seismic design requirements of the 2022 CBC. Impacts would be less than <br /> significant. <br /> • Lateral Spreading:As discussed in the response to liquefaction (see above) the site is not <br /> located in a liquefaction hazard area. The project site is in a relatively flat urbanized area and is <br /> not in the vicinity of slopes that would be susceptible to liquefaction (slope areas that have <br /> 33 City of Santa Ana.2021.City of Santa Ana General Plan Update.2021 Recirculated PEIR,October. <br /> 34 California Department of Conservation(DOC).2025.California Geological Surrey-Earthquake Zones of Required <br /> Investigation.Website: https:tfmaps.conservation.ca,gov/cgs/informationwarehouse/egzapp/.Accessed July 10,2025. <br /> as City of Santa Ana.2021.City of Santa Ana General Plan Update.2021 Recirculated PEIR.October. <br /> 36 City of Santa Ana.2022.City of Santa Ana General Plan—Safely Element,April. <br /> FCS <br /> 54 (�{]} <br /> Ordinance No. N sy��d elS+oya[ions.sharepnlnt.cnm/sltes/Pe611 a[onssite/spared o...men[s/PubM.ions/C11.,t(PN-JN)/03 2 7/032 7064 7/ISMND/o327oW7 SW AnaAemneProlesISMND.d— <br /> Page 66 of 118 <br />