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Daniels Sand Pit 2,Permit M-1973-007-SG; <br /> Response to"Approval Succession of Operators,Revision SO-2,with Stipulations" <br /> Page 9 <br /> Cross Section Factor of Safety <br /> D-1 1.228 <br /> D-2 2.027 <br /> D-3 2.339 <br /> D-4 1.068 <br /> Shallow surface failures/sloughs are common in cut slopes. An unacceptable factor of safety <br /> implies that the current conditions may be mostly stable,but that mitigative measures would be <br /> required to ensure long term stability of the slope. In order to increase stability at the site to a <br /> stable long-term factor of safety, mitigation to the slopes is recommended. It is Brierley <br /> understanding that slopes must be flatten to 3:1 as part of the restoration requirements. Bench <br /> slopes will also reduce the driving force thus increasing stability. Another earthwork mitigation <br /> technique would be buttress the slope toe by filling with onsite material. <br /> BRIERLEY <br /> ASSOCIATES <br /> Creating Space Underground <br />