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McClane Canyon Mining, LLC <br />McCLANE CANYON MINE <br />2016 IMPOUNDMENT YEARLY INSPECTION <br />In accordance with Rule 4.05.9(14), all impoundments shall be inspected at least yearly <br />to determine if the impoundment has been maintained as designed, and in accordance <br />with the approved plan and the applicable regulations. This yearly inspection is for the <br />impoundment located at the McClane Canyon Mine. <br />On March 13, 2016, 1 performed the required yearly inspection. I, J. E. Stover, have a <br />wide variety of experience in the design and construction of earth fill embankments. <br />Nothing was observed during the inspection that would indicate the pond has a <br />potential for failure. There was no appearance of erosion, instability, structural <br />weakness or other hazardous conditions. There are no required monitoring procedures <br />or instrumentation other than quarterly and yearly inspections. There are no aspects <br />which might affect stability and there is no required maintenance. The sediment pond <br />had pools of standing water about three feet below the level of the primary spillway at <br />approximate elevation of 5454. The pond/impoundment was not discharging during the <br />inspection. <br />The required capacity of the sediment pond is 0.55 A -F. The required water capacity of <br />the sediment pond is 0.36 A -F and the required sediment capacity is 0.19 A -F (ref. PAP <br />Section 2.4.1 and Table 4.2-12). The actual size of the pond exceeds the required <br />capacities listed in the permit. <br />The sediment pond has the following estimated capacity based on the existing water <br />level in the pond: <br />POND CAPACITY -ACRE FEET <br />Water <br />Sediment <br />Total <br />0.67 <br />0.28 <br />0.95 <br />To the best of my knowledge and belief, the impqundmenUsediment pond at the <br />McClane Canyon Mine has been maintained as,designed and in accordance with the <br />approved plan and applicable regulations. <br />James E. Stover DjIV* <br />Colorado Professional I IV ��.s <br />Registration No. 19230 •�F�•..••,@, .,` s`®�� <br />