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N-5 . Potentially Significant Impact : Liquefaction <br /> [Impact 4 . 6-51 <br /> Liquefaction could cause foundation failure in areas <br /> underlain by saturated sandy sediments . <br /> Finding : Changes or alterations have been required in, <br /> or incorporated into, the Project which avoid or <br /> substantially lessen the significant environmental effect <br /> as identified in the FEIR to a non-significant level . <br /> These mitigation measures are listed below. <br /> Statement of Fact : The impact will be mitigated by the <br /> following : <br /> • A detailed geotechnical investigation and report must <br /> be prepared prior to development of each Specific <br /> Plan to determine areas that may be susceptible to <br /> liquefaction, which recommends design criteria for <br /> construction in these areas . Development in areas <br /> identified as susceptible to liquefaction must be <br /> limited to open space or very-low-density <br /> development . All structures, roads, and utility <br /> lines proposed in these areas must follow design <br /> criteria that reduce potential liquefaction impacts . <br /> Unless these areas are reserved for open space, the <br /> impacts associated with liquefaction would remain <br /> potentially significant . <br /> • See FEIR, Section 4 . 6 . <br /> N-6 . Impact • Groundshaking <br /> [Impact 4 . 6-61 <br /> Strong groundshaking during an earthquake could cause <br /> structural damage to improvements and injuries to <br /> residents of the Project . The potential hazards <br /> associated with building collapse and infrastructure <br /> disruption due to seismic activity cannot -be fully <br /> mitigated. <br /> Finding : Changes or alterations have been required in, <br /> or incorporated into, the Project which avoid or <br /> substantially lessen the significant environmental effect <br /> as identified in the FEIR to a non-significant level . <br /> These mitigation measures are listed below. <br /> C2-34 <br /> 1 r/0202r <br />