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<br />ORCHARD VALLEY MINE <br />NEW WEST RIDQE PILE <br />ITEM Y/N <br />7. Top of completed fill has adequate Y Top of gob has been sloped with no <br />drainage. soil cover. <br />8. Bench drainage adequate? N Small extent of erosion on face, <br /> repair as required, erosion problem <br /> not significant. Reinstall bench <br /> drainage to minimize flow over face <br /> of pile. <br />9. Areas covered with 4' non-toxic N Covering with 4' non-toxic non- <br />non-combustible material? combustible material is 3/4 complete. <br /> The placement of this material has <br /> been temporarily halted due to <br /> inadequate compaction in waste <br /> material. (See No. 11 below). <br />10. Berms constructed on outslopes? N Type of construction has deleted the <br /> use of berms. <br />11. Evidence of structural defects? Y Construction is approximately 3/4 <br /> complete, soil placement on outslope <br /> has been temporarily halted due to <br /> drilling of pile to check the top 30' of <br /> pile for compaction. Results showed <br /> that some areas of pile did not meet <br /> the minimum requirements. This <br /> necessitates removal of portions of <br /> the upper part of the pile. <br />12. Topsoil adequately salvaged & Y <br />stored. <br />13. Trash being removed? Not applicable <br />14. Additional comments? N <br />During the 3rd quarter, 1990, there was no active construction of the West Ridge Gob Pile. <br />Rather the pile was subject to repair activities which included removal of gob material that <br />was not adequately compacted. Refer to Lambert & Associate reports. <br />I certify the above report as being accurate to the best of my belief and knowledge. <br />it~Z6~4o <br />Da e <br />