Item 18 - Appeal Application Nos. 2023-02 and 2023-03 for Cabrillo Town Center project

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applicable of CDMG Special Publication 117 where applicable and shall include, but not necessarily be limited to • Determination of the locations of any suspected fault traces and anticipated ground acceleration at the building site • Potential for displacement caused by seismically induced shaking, liquefaction, differential soil settlement, expansive and compressible soils, or other earth movements or soil constraints • Evaluation of depth to groundwater MM-OZ 4.5-2 Developers within the Overlay Zone shall conduct expansion index tests in accordance with UBC Standard 18-2 prior to project construction. The design of structural elements of future projects shall include recommendations set forth by the expansion index tests. MM-OZ 4.4-4 In the event that paleontological resources are unearthed during subsurface construction activities, all earth -disturbing work within a 100-meter radius of the find must be temporarily suspended or redirected until a paleontologist has evaluated the nature and significance of the find. After the find has been appropriately mitigated, work in the area may resume. 4.7.2 Does the Project propose changes that would result in new significant impacts or substantial increase in the severity of significant impacts that will require major revisions of the Certified EIR? The Project includes the demolition and removal of all existing improvements from the Project Site and development of the site with a mixed -use development including up to 507 residential dwelling units, approximately 26,800 square feet of commercial uses, and associated parking, utility infrastructure, landscaping, and open space, all of which is allowed under the Overlay Zone, and is consistent with the Overlay Zone standards. The Project does not include any development that would extend beyond the building envelope considered in the Certified EIR, and no changes are proposed to the Overlay Zone to accommodate the Project. As discussed below, the Project would incorporate mitigation measures to minimize impacts related to geology and soils would be less than significant, and accordingly, would not result in any new or increased significant impacts beyond those already identified in the Certified EIR. Alquist-Priolo Earthquake Fault Zone The Certified EIR concluded that there are no Alquist-Priolo Zones within the Overlay Zone that would cause a fault rupture. The Overlay Zone is also not located within any currently mapped Seismic Hazard Zone, where a site -specific investigation to determine the location of any faults would be required. The Project Site is still not located in either an Alquist-Priolo or a Seismic Hazard Zone. Thus, the Project would not result in any new or increased significant impacts related to being located in such a Zone beyond impacts already identified in the Certified EIR. Cabrillo Town Center City of Santa Ana Technical Memorandum August 2023 City Council 18 — 537 10/3/2023