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CnI�TCUL' SIO;rSr' ANl) Rrcorl zr;rr?)A'rIolrS <br /> Based upon our analysis- of the soil <br /> conditions and project cha acteristics previously outlined, the <br /> following recoFomendati.ons a-e made. If the existing conditions <br /> are change6 from thosr, outlined in this report, the reconn-:endat-ions <br /> contained herein rr;ay require some r.odification. <br /> As :vas :indicated by the slope stability <br /> analysis perforice d by Lincoln-DeVor_e for this project, a 2-hori- <br /> zontal to 1-vertical maxi;num slope for the face of the fill will. <br /> provide an acceptable factor of safety. For the slope config- <br /> uration shown on Plate 1, the factor of safety was found to be <br /> approximately 3. 5 . Safety factors and critical circle information <br /> for all slop: configurations analyzed are given in the preceding <br /> section. <br /> As has been discussed previously in <br /> this report, two benches or terraces were assumed on the face <br /> of the slope. Tl;c_ benches were located at appro ia,ate elevations <br /> shown on preliminary cross-sections provided by Mid--Continent. <br /> Resources, and the width of the benches was ta'cen at 10 feet, <br /> to provide sufficient width for access for grading equip :ent. <br /> Since the safety factor_ for the slope was, relatively high, the <br /> width of the benches can be reduced, if desired, without critically <br /> effecting slope stability. However, we recommend. against re- <br /> ducing the width of the benches to 16ss than G feet. <br /> Drainage is considered of utrr.ost im- <br /> potance, since the stability of the .slope will be adversely af- <br /> fected if the slope becomes saturated. The proposed perimeter <br /> drainage ber_;r,s should help drainage considerably . The drainage <br /> AM <br /> berm uphill (south) of the fill could either be placed on the <br /> native slope or on the edge of the fill, providing an adequate <br /> -8- <br />