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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis J nes DATE: 8/3/89 <br />NPD ES I.D. NO .: ~ - D.P.008 <br />FAC ILITY CONFIGU ~: Cross-Valley Pon DATE LAST INSPEC TION: 5/1 7/89 <br />SIT E NAME: Pond #008 LOCATION:SW'I,NW'/~, Sec. 7, TS~~, R$f;W <br />MIN E NAME: Seneca one ea oby oa o LOCATION: i. mt. ~~ o ayoen, <br />MIN E I.D. N .. ermit - ~- OWNER'S R .. on cu tan, ~uot. <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: ~ No N/A <br />4. Burning (specify extent and location): Yes No (N~ <br />5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A <br />6. *Seepage (specify location, color, and approximate volume) <br />_ From underdrain pipes: Yes No N/ <br /> At isolated points on embanxment s opes: Yes No N/A <br /> At natural hillside: Yes ® N/A <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: Yes N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />7. Cracks or scarps on crest: Yes J~ N/A <br />8. Cracks or scarps on slope: Yes ~ N/A <br />9. Sloughing or bulging on slope: Yes ® N/A <br />10. *Major erosion problems: Yes ~; N/A <br />11, Surface movements in valley bottom or on hillside: Yes No N/A <br />12. *Erosion of toe: Yes Lto N/A <br />13. *Water impounded against toe: Yes ~ N/A <br />14. Existing embankment freeboard: g.4 feet <br />15. Increase De_rease in water level: 0 feet <br />16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />17. Visible sumps or sinkholes in slurry surface: Yes No N/A <br />18. *Clogging <br /> Spillway channels and pipes: Yes vo) <br /> Decant system: Yes o <br /> Diversion ditches: Yes No <br />19. *Crackina or crushing of pipes <br /> Spillway pipes: Yes (P~ N/A <br /> Decant system: Yes o ~ <br />20. Trash racks clear and in place: See comments 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 />