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<br />or avoid soil creep areas. Designate setback zones where unstable features cannot be <br />mitigated otherwise. FEIR pages 9-11 through 9-13. <br /> <br />Findine:: Changes or alterations have been required in, or incorporated into the project <br />that avoid or substantially lessen the significant effect identified in the Final EIR. <br /> <br />Rationale for Findine:: The detailed geotechnical investigation will disclose additional <br />areas which may be susceptible to slope instability. Special techniques such as controlling <br />water movement with ditches and through the orientation and location of cuts and fill <br />design will improve slope stability. <br /> <br />EROSION <br /> <br />IMPACT 9C: Accelerated erosion could create unstable conditions, increase sediment in surface <br />runoff, and cause erosion gullies. FEIR pages 9-13, 9-14. <br /> <br />Mitie:ation Measures 9-1. 9-10 throue:h 9-13. Provide an erosion control plan as part of <br />a detailed geotechnical investigation. The erosion control plan shall include measures to <br />prevent erosion of existing drainageways and measures for revegetation of graded soil <br />surfaces. Additional mitigations require erosion control before and during grading to <br />control erosion. Temporary structures shall provide erosion control during storm runoff <br />and permanent measures shall provide long-term erosion control. Reduce areas of soil <br />disturbance. FEIR page 9-14,9-15. . <br /> <br />Finding: Changes or alterations have been required in, or incorporated into the project <br />that avoid or substantially lessen the significant effect identified in the Final EIR. <br /> <br />Rationale for Findin&: The erosion control plan will insure that erosion is minimized, <br />through use of techniques to provide both short- and long-term erosion control. <br /> <br />DIFFERENTIAL FILL SETTLEMENT <br /> <br />IMPACT 9D: Filling on the site is proposed. This could result in significant settlement. <br />Differential settlement could occur, causing damage to building foundations and utility conduits. <br />FEIR pages 9-15. <br /> <br />Mitigation Measures 9-1. 9-14 through 9-17: Fill settlement shall be evaluated as part of <br />a detailed geotechnical investigation, with techniques used to minimize settlement risks for <br />structures, roads and utilities. Monitor settlement of deep fills. FEIR pages 9-15, 9-16. <br /> <br />Finding: Changes or alterations have been required in, or incorporated into the project <br />that avoid or substantially lessen the significant effect identified in the Final EIR. <br /> <br />14 <br /> <br />]I ,. I . <br />