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The following standards shall be incorporated in the <br /> landslide repair and slope stabilization plan: <br /> <br /> 1) No Heritage trees shall be destroyed for landslide <br /> repair; removal of non-Heritage trees for landslide <br /> repair shall be minimized. All available options <br /> shall be explored, including possible loss of lots <br /> or the use of more elaborate engineering methods, <br /> in order to preserve all existing trees. <br /> <br /> 2) Building setbacks from creek banks, cut slopes, <br /> fill slopes, natural slopes, and unstable slopes, <br /> and construction of building foundations shall be <br /> as specified by the geotechnical engineer and <br /> certified engineering geologist. <br /> <br /> 3) All grading plans and geotechnical reports shall be <br /> reviewed by a geotechnical engineering firm <br /> retained by the City prior to the commencement of <br /> any grading, slope stabilization, or landslide <br /> repair on the site. The applicant shall pay the <br /> cost of the City's consultant. <br /> <br /> 4) Site drainage shall be controlled to minimize <br /> landslide instigation or reactivation. All storm <br /> drainage except for detention basins, silt ponds, <br /> or other special conditions shall be placed in <br /> closed conduits. Drainage benches with concrete <br /> lined "V" ditches shall be installed at 25' <br /> vertical intervals on all cut and fill slopes <br /> greater than 30' in vertical height or as otherwise <br /> required by the City Engineer. <br /> <br />d) All landslide repair and slope stabilization work shall <br /> be done by the applicant before the individual lots are <br /> sold. <br /> <br /> 1) The applicant shall ensure that all recommendations <br /> made by the geotechnical engineer and certified <br /> engineering geologist are implemented. <br /> <br /> 2) All earth work, grading, fill placement, slope <br /> cutting, and drain installation shall be directly <br /> supervised by the geotechnical engineer and <br /> certified engineering geologist to verify <br /> compliance with recommendations and conditions. <br /> <br /> 3) Stabilization plans may be modified during <br /> construction, as recommended by the geotechnical <br /> engineer and certified engineering geologist and <br /> approved by the City. <br /> <br /> - 12 - <br /> <br /> <br />