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PERIODIC INSPECTION FORM Water, Sediment, or Slurry Impouadmeats INSPECTOR'S NAME: Michael Altavilla DATE: 03~18~98 NPDES I.D. NO.: N~ FACILITY CONFIGURATION: Final Pit Impoundment DATE LAST INSPECTION: 12~22~97 SITE NAME: PeCOCO Reservoir LOCATION: cW~ NWT cater. 2 mSN R87W MINE NAME: Sene___Sa ?7_hina ~c n a oa7 o) LOCATION: 7_i mi. sF o£ Hay~s_ MINE I.D. NO.: C r.Rn Pe mi No. --8 -057 OWNER'S REP.: Brad Brown ~ - n Ma 1. Foundation preparation (removal of vegetation, stumps, topsoil: es No 2. Lift thickness: inches 3. Compaction according to approved plan: ea No 4. Burning (specify extent and location): Yee ~° 5. Angle of elope (degrees) degrees 6. *Seepage (specify location, color, and approximate volume) From underdrain pipes: Yee do At isolated points on embankment slopes: Yes At natural hillside: Yee Over widespread areas: Yee From downstream foundation area: Yes "Boils" beneath stream or ponded water: Yes 7. Cracks or scarps on crest: Yes 8. Cracks or scarps on slope: Yes 9. Sloughing or bulging on elope: Yes 10. *Major erosion problems: Yee 11. Surface movements in valley bottom or on hillside: Yee 12. *Erosion of toe: Yes 13. *Water impounded against toe: Yee 14. Existing embankment freeboard: See comments 6.1 feet 15. Increase Decrease in water level: No change feet 16. Cracks, bulging, or erosion on upstream face: Yes 17. Visible sumps or sinkholes in slurry surface: Yee 18. *Clogging Spillway channels and pipes: Yee Decant system: Yes Diversion ditches: Yea 19. *Cracking or crushing of pipes Spillway pipes: Yee Decant system: Yea o 20. Trash racks clear and in place: es No *Major adverse changes in these items could cause instability and should be reported to the Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in these items should normally be described (extent, location, volume, etc.) in the space on the back of this sheet.