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PBRIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Michael A7tavilla DATE: _ 09~18~98 <br />NPDES I.D. NO.: N~A <br />FACILITY CONFIGURATION: Final Pit Im~o~n m n DATE LAST INSPECTION: ~.6/29~98 <br />SITE NAME: PeCOCO Reservoir LOCATION: SW~ NWT Sec_ 2 '['SN R87W <br />MINE NAME: Seneca II Mine (Seneca Goal Co) LOCATION: 7.t mi. cE of H'vden s0_ <br />MINE I.D. NO.: C T.Rn P m' No. -8 -057 OWNER'S REP.: Brad Brown, Ce^ Mq~ <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: ee No <br />2. Lift thickness: inches <br />3. Compaction according to approved plan: ~ No <br />4. Burning (specify extent and location): Yee <br />5. Angle of elope (degrees) degrees <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yee <br /> At isolated points on embankment elopes: Yes <br /> At natural hillside: Yes <br /> Over widespread areas: Yee <br /> From downstream foundation area: Yee N <br /> "Boile'• beneath stream or ponded water: Yee <br />7. Cracks or scarps on crest: Yee ®o <br />8. Cracks or scarps on elope: Yee <br />9. Sloughing or bulging on elope: Yes o <br />10. *Major erosion problems: Yes No <br />11. Surface movements in valley bottom or on hillside: Yes (~o~ <br />' <br />12. *Eroeion of toe: Yes (?n <br />9~~ <br />13. *Water impounded against toe: Yes <br />14. Existing embankment freeboard: see comments 6.1 feet <br />15. Increase Decrease in water level: No change feet <br />16. Cracks, bulging, or erosion on upstream face: Yes <br />17. Visible sumps or sinkholes in Blurry surface: Yee o <br />18. *Clogging <br /> Spillway channels and pipes: Yea Qo <br /> Decant eyetem: Yea <br /> Diversion ditches: Yee o <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yee <br /> Decant eyetem: Yee o <br />20. Trash racks clear and in place: ~ No <br />*Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted <br />in these items should normally be described (extent, location, volume, etc.) in the apace on <br />the back of this sheet. <br />