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(-_) �_ <br /> Potential Potential <br /> o <br /> Significance Significance <br /> Without Mitigation With N a <br /> Impacts Mitigation Mitigation Measures Responsibility Mitigation N, o <br /> O o <br /> shall include subsurface investigation to further .A n <br /> identify the thickness and the consolidation <br /> characteristics of the Bay mud underlying the project <br /> site. Recommendations from the investigation shall <br /> be incorporated into project grading and construction <br /> plans to the satisfaction of the City Engineer. <br /> The detailed, design-level investigations, relevant <br /> recommendations, and all associated project grading <br /> filling, and foundation plans, shall be subject to <br /> review and approval by an independent engineering <br /> geologist or geotechnical engineer retained by the <br /> City Engineer at applicant expense. In addition, the <br /> project civil engineer shall certify that all relevant <br /> provisions of the investigation have been <br /> incorporated into the grading and construction plans. <br /> All earthwork and site preparation shall be <br /> performed under the direct supervision of a <br /> registered engineering geologist or geotechnical <br /> engineer. Implementation of these measures would <br /> reduce these potential impacts to a less-than- <br /> significant level. <br /> Impact 11-2: Total and Differential Settlement. S Mitigation 11-2: The detailed, design-level Applicant LS <br /> The presence of weak, compressible Bay mud geotechnical investigations required under Mitigation <br /> underlying the on-site fill is the most significant 11-1 shall include laboratory analyses of all <br /> factor influencing the selection of a foundation materials proposed for use as fill. These analyses <br /> system for the proposed project. The project's shall be sufficient to adequately estimate the rate <br /> structural loads would be too great to be supported and total amount of fill consolidation following <br /> on conventional shallow foundations bottomed in fill compaction, and the resulting likelihood of <br /> or weak Bay mud. Shallow foundations would differential settlement. Design of all fills shall <br /> potentially experience excessive total and differential incorporate the results of these analyses to minimize <br /> settlements. These possible effects represent a the destructive effects of future settlement, and the <br /> potentially significant impact. investigation shall set forth guidelines that address, m <br /> at a minimum, the composition of fill materials, <br /> methods of fill placement,the required degree of fill co D <br /> D <br /> S = Significant _ <br /> LS = Less than significant j 171 <br /> SU = Significant unavoidable impact $cam <br /> NA = Not applicable <br /> co <br /> T:I10695 Pete's Harbor EIR Addendumlrevised addendum no 2ITable 1-1(10695-01).doc CO <br />