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Legend. Applicant = project applicant, City = City of Redwood City <br />Page 54 May 18, 2004 WP9.016451MMCHT.645 <br />Mtj,oTORING <br />VERIFIUATION <br />IDENTIFIED IMPACT <br />RELATED MITIGATION MEASURE <br />Impl. <br />Type of Impl. <br />Monitoring and <br />Timing <br />Signature <br />Date <br />(CONDITION OF APPROVAL) <br />Entity <br />Action <br />Verification Entity <br />Requirements <br />and foundation plans, shall be subject to <br />review and approval by an independent <br />engineering geologist or geotechnical <br />engineer retained by the City Engineer at <br />applicant expense. In addition, the project <br />civil engineer shall certify that all relevant <br />provisions of the investigation have been <br />incorporated into the grading, dredging, and <br />construction plans. All earthwork and site <br />preparation shall be performed under the <br />direct supervision of a registered <br />engineering geologist or geotechnical <br />engineer. Implementation of these <br />measures would reduce these potential <br />impacts to a less - than - significant level. <br />Impact 11 -2: Total and Differential <br />Mitigation 11 -2: The detailed, design -level <br />Applicant <br />Prepare and <br />City <br />Investigations <br />Settlement. The presence of weak, <br />geotechnical investigations required under <br />implement detailed, <br />prior to grading <br />compressible Bay mud underlying the on -site <br />Mitigation 11 -1 shall include laboratory <br />design -level <br />permit issuance; <br />fill is the most significant factor influencing the <br />analyses of all dredged material and all <br />geotechnical <br />implementation <br />selection of a foundation system for the <br />materials proposed for use as fill. These <br />investigations. <br />throughout <br />proposed project. The project's structural <br />analyses shall be sufficient to adequately <br />construction <br />loads would be too great to be supported on <br />estimate the rate and total amount of fill <br />phases <br />conventional shallow foundations bottomed in <br />consolidation following compaction, and the <br />fill or weak Bay mud. Shallow foundations <br />resulting likelihood of differential settlement, <br />would potentially experience excessive total <br />especially in the areas of the reduced and <br />and differential settlements. These possible <br />reconfigured marinas. Design of all fills <br />effects represent a potentially significant <br />shall incorporate the results of these <br />impact. <br />analyses to minimize the destructive effects <br />of future settlement, and the investigation <br />shall set forth guidelines that address, at a <br />minimum, the composition of fill materials, <br />methods of fill placement, the required <br />degree of fill compaction, and the layout of <br />the subsurface drainage systems needed to <br />adequately dewater the fill. In addition, all <br />improvements to be constructed on top of or <br />within fills shall be designed in accordance <br />with the recommendations of the detailed, <br />design -level geotechnical investigations. <br />Once a final grading plan has been prepared <br />and building loads determined, estimates of <br />potential settlements for the ground- and <br />pile- supported structures, as well as for <br />Legend. Applicant = project applicant, City = City of Redwood City <br />Page 54 May 18, 2004 WP9.016451MMCHT.645 <br />