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SLOPE STABILITY <br />INTERIM INSPECTION REPORT <br />AP.EA Wolf Creek Drainage Fill DATE 12-18-85 <br />TI;•fE 1:00 pm WEATHER Partly cloudy, cool <br />I. Debris, organic matter, coal, etc., present in fill <br />None visible <br />2. General gradation and characteristic of material Gradation of <br />core and upper fill is as specified; dragline maintaining a special effort <br />to place large sandstone material in the underdrain Location <br />3. Presence of water, surface and ground Small accumulation of <br />water at the west end of the existing underdrain/surface drainage interface; <br />probably due mainly to snowmelt <br />4. Condition of underdrain (approx. current width, depth, s <br />length), material gradation s characteristic, compaction, pre- <br />sence of water current placement 20'-25' wide by 15'-20' deep by approximately <br />2000' long; most o e ma erra range rn size a ween an ee rn rameter <br />5. General material movement one evr en snow covere <br />6. Proximity and treatment of seep points ThP nn,;er.7ra;., ~~~ <br />constructed as specified in the seep areas <br />7. Condition of slope fill surface (grading, cracks or sloughing, <br />erosion, revegetation) Not applicable yet <br />8. Recommendations Continued observation <br />9. Accountability <br />I declare the preceding observations and notes true and <br />accurate to the best of my knowledge. <br />`L'~~,~I Q S~ -z~ie`as <br />Date <br />R?.chard A. Isaac <br />Colorado P.E. H2D320 <br />