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06/07/2004 recyclables shall be provided for each residential tower unit. The City shall that Project construction include these provisions prior to issuance of certificates of occupancy (Mitigation 10 -9). Findings: The mitigation measure identified above is feasible and reduces the potentially significant environmental impact described above to a less -than- significant level. VIII. SOILS AND GEOLOGY A. Grading, Dredging and Surface Modifications Potential Impact: Project grading, dredging and surface modification, if not performed appropriately, could cause surface settlement, soil erosion and unnecessary seismic hazards (Impact 11 -1). Mitigation: The Project will obtain from one or more registered engineering geologists or geotechnical engineers detailed, design -level geotechnical investigations to guide the design of all Project grading, dredging and soil stabilization, on a structure - specific basis, and shall provide funds for the City Engineer to retain an independent engineering geologist or geotechnical engineer to review and approve the those investigations. All relevant provisions of the approved investigations shall be incorporated into Project plans, and all earthwork shall be performed under the direct supervision of a registered engineering geologist or geotechnical engineer (Mitigation 11 -1). Findings: The mitigation measure identified above is feasible and reduces the potentially significant environmental impact described above to a less -than- significant level. B. Settlement Potential Impact: If conventional shallow foundations are used, weak, compressible Bay mud underlying on -site fill would not adequately support Project structural loads, causing excessive total and differential settlement (Impact 11 -2). Mitigation: The design -level investigations required by Mitigation 11 -1 shall include laboratory analyses of all material proposed for use as fill meeting the standards specified in Mitigation 11 -2. Fill design shall incorporate the results of these analyses to minimize the destructive effects of settlement, and all improvements placed on fill shall also be designed in accordance with the design -level investigations required by Mitigation 11 -1 (as further specified and enforced in recommendations in accordance with Mitigation 11 -2). After a final grading plan has been prepared, estimates of potential settlement shall be prepared for structures and downdrag loads. After fills are completed, settlement shall be monitored and improvement plans modified as necessary. Dredged material analysis results shall be included in any application or request for disposal or reuse of dredged material. 1289 \02 \179278.2 30 Atty /Reso /Reso.1470 14590 060804 Muff # 304 Bin 26