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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: 3/20/89 <br />NPDES I.D. NO.: - D.P. 003 <br />FACILITY CONFIG Diked Pond DATE LAST INSPECTIO N: 5 8B <br />SITE NAME: Northwest Im oundment #003 LOCATION: SE'/.SW'/.,Sec. T N, i <br />MINE NAME: eneca the ea o y oa o LOCATION: mi. o ay en, <br />MINE I.O. N .: ermt - - OWNER'S R on u tan, upt, <br /> Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil): _ es No N/A <br />2. Lift thickness: 12 in. N/A <br />3. Compaction according to approved plan: Y~s No N/A <br />4. Burning (specify extent and location): Yes No <br />5. Angle of slope: 2:1 upstream, 3:1 downstream Total = 5:1 N/A <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes No ~,t~ <br /> At isolated points on em an ment s open: Yes N N/A <br /> At natural hillside: Yes o N/A <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: Yes o N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />7. Cracks or scarps on crest: Yes Q N/A <br />8, Cracks or scarps on slope: Yes No N/A <br />9, Sloughing or bulging on slope: Yes ® N/A <br />10. *Major erosion problems: Yes No NIA <br />11. Surface movements in valley bottom or on hillside: Yes ® N/A <br />12. *Erosion of toe: Yes No N/A <br />13. *Water impounded against toe: Yes ® N1A <br />14. Existing embankment freeboard: 5 feet <br />15. Increase Decrease in water level: O feet <br />16. Cracks, bulging, or erosion on upstream face: Yes ® N/n <br />17. Visible sumps or sinkholes in slurry surface: Yes No 'N/A <br />18. *Clogging <br /> Spillway channels and pipes: Yes ® N1A <br /> Decant system: Yes No Q1Ll~ <br /> Diversion ditches: Yes ® N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: Yes No FJ^/7 <br />20. Trash racks clear and in place: __ Yes No N/A <br />*Major adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse condi- <br />tions noted in these items should normally be described (extent, location, volume, etc.) <br />in the space on the back of this sheet. <br />