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M03107GE <br />.lifts the lift thickness may be adjusted to a thickness capable of <br />compaction by the equipment used but should not exceed a lift <br />thickness of about one (1) foot depending on the capabilities of <br />the compaction equipment. <br />Slope surfaces should be protected by vegetation and/or other <br />means to prevent erosion. Surface runoff should not be allowed to <br />cascade over the top of a slope or to pond at the toe of any slope. <br />5.0 ON-SITE DEVELOPMENT CONSIDERATIONS <br />We anticipate that the subsurface water elevation may fluctuate <br />with seasonal and other varying conditions. Deep excavations may <br />encounter soil materials that tend to cave or a possibility of <br />subsurface water. Our experience in the area indicates that <br />permeable layers may exist in the soil material and that the <br />permeable layers may carry or store water. If water is encoun- <br />tered, it may be necessary to dewater construction excavations to <br />provide more suitable working conditions. Excavations should be <br />well braced or sloped to prevent wall collapse. Federal, state and <br />local safety codes should be observed. All construction excava- <br />tions should conform to Occupational Safety and Health Administra- <br />tion (OSHA) standards or safer. <br />~~ The site construction surface should be graded to drain surface <br />Organic soil materials were encountered in the test borings. The <br />organic soil materials are not suitable for support of the struc- <br />ture or structural components. The organic soil materials should <br />~ be removed prior to foundation construction. <br />ater away from the site excavations. Surface water should not be <br />allowed to accumulate in excavations during construction. Accumul- <br />ated water could negatively influence the site soil conditions. <br />Construction surface drainage should include swales, if necessary <br />to divert surface water away from the construction excavations. <br />It has been our experience that sites in developed areas may con- <br />tain existing subterranean structures or poor quality man placed <br />fill. If subterranean structures or poor quality man placed fill <br />are suspected or encountered, they should be removed and replaced <br />with compacted structural fill as discussed under COMPACTED STRUC- <br />TURAL FILL below. <br />• <br />7 <br />~Cambert ana ~,osociates <br />CONSULTING GEOTECH NIG AL ENGINEERS wN0 <br />M .TER UL TESTING <br />