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of 1.04 is above the SEO minimum requirement of 1.0 for an embankment subject to <br />earthquake loading. Using a normal water surface elevation in the reservoir provides <br />greater safety factors, 2.08 under static loading and 1.50 under earthquake loads. The <br />proposed setback of 40 feet from the Property Line / WCR 6 ROW is satisfactory. <br />Case South - The resulting safety factor of 1.31 exceeds the SEO minimum <br />requirement of 1.30 for an embankment during construction. The resulting safety factor <br />of 1.04 is above the SEO minimum requirement of 1.0 for an embankment subject to <br />earthquake loading. Using a normal water surface elevation in the reservoir provides <br />greater safety factors, 2.09 under static loading and 1.50 under earthquake loads. The <br />proposed setback of 40 feet from the irrigation ditch is satisfactory. <br />Case East - The resulting safety factor of 1.68 exceeds the SEO minimum requirement <br />of 1.30 for an embankment during construction. The resulting safety factor of 1.28 is <br />above the SEO minimum requirement of 1.0 for an embankment subject to earthquake <br />loading. Using a normal water surface elevation in the reservoir provides greater safety <br />factors, 2.80 under static loading and 1.86 under earthquake loads. The proposed <br />setback of 60 feet from the existing overhead power lines is satisfactory. <br />Case West - The resulting safety factor of 1.84 exceeds the SEO minimum requirement <br />of 1.30 for an embankment during construction. The resulting safety factor of 1.39 is <br />above the SEO minimum requirement of 1.0 for an embankment subject to earthquake <br />loading. Using a normal water surface elevation in the reservoir provides greater safety <br />factors, 3.00 under static loading and 1.99 under earthquake loads. The proposed <br />setback of 60 feet from existing oil and gas structures is satisfactory. <br />Northern Colorado Constructors, Inc. — Perry Pit <br />' JKT Consulting, Inc. Slope Stability Analysis <br />Page 5 <br />� <br />