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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Michael Altavilla DATE: 12/22/97 <br />NPDES I.D. NO.: ~~/A <br />FACILITY CONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: 09/25/97 <br />SITE NAME: PeCOCO Reservoir LOCATION: SW~ NW~Sec_ 2 TSN R87W <br />MINE NAME: S-n a rr M;n (Seneca Coal Co) LOCATION: 7.7 m,. c. o Hayden <br />MINE I.D. NO.: C r.Rn p mi No. --B -057 OWNER'S REP.: Brad Brown - n Ma <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: es No <br />2. Lift thickness: inches <br />3. Compaction according to approved plan: ea No <br />4. Burning (specify extent and location): Yes <br />5. Angle of slope (degrees) degrees <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes o <br /> At isolated points on embankment slopes: Yes <br /> At natural hillside: Yee o <br /> Over widespread areas: Yee <br /> From downstream foundation area: Yes <br /> "Boils" beneath stream or ponded water: Yea o <br />7. Cracks or scarps on crest: Yea <br />8. Cracks or scarps on slope: Yee <br />9. Sloughing or bulging on slope: Yes <br />10. *Major erosion problems: Yes l~o <br />11. Surface movements in valley bottom or on hillside: Yes <br />12. *Eroeion of toe: Yee <br />13. *Water impounded against toe: Yes 1fSl <br />14. Existing embankment freeboard: see comments 6•l 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: Yes ~b <br />18. *Clogging <br /> Spillway channels and pipes: Yee <br /> Decant system: Yes <br /> Diversion ditches: Yee <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes <br /> Decant system: Yea o <br />20. Trash racks clear and in place: es 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 />