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SLOPE STABILITY <br />INTERIM INSPECTION REPORT <br />AREA Wolf Creek Drainage Fill DATE 9/25/86 <br />TIME 10:00 a.m. ~NEATHER p, C., 60's <br />Debris, organic matter, coal, etc., present in fill None Visible <br />2 <br />3 <br />4. <br />5. <br />6. <br />7 <br />8 <br />General gradation and characteristics of material gradation of core and <br />upper fill appears to be as specified. <br />Presence of water, surface and ground None present in the active pit or <br />emerging from the underdrain. <br />Condition of underdrain (approx. current width, depth, and length), material <br />gradation and characteristic, compaction, presence of water Current place- <br />ment is approximately 20'-25' aide by 12'-20' deep. Current length of <br />underdrain extends to the downstream intersection with the A-2 Haul Road. <br />Material was end dumped with a loader. No sign of eater flowing. <br />General material movement No unexpected movement evident. <br />Proximity and treatment of seep points None observed. <br />Condition of slope fill surface (grading, cracks or sloughing, erosion, <br />revegetation) Fill surface has been graded up to the intersection of <br />the A-2 Haul Road. <br />Recommendation Continued observation and inspection of the fill slope <br />until rough grading and revegetation are concluded. <br />9. Accountability <br />I certify the preceding observations and comments to be true and accurate to <br />the best of my knowledge. <br />.~YtX~ October 9, 1986 <br />James G. Schlenvogt Date <br />Colorado P.E. 17627 <br />