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PERIODIC INSPECTION FORK <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Mi ha 1 Al avilla DATE: O'{~2j,~99 <br />NPDES I.D. NO.: N~A <br />FACILITY CONFIGURATION: Final P' lmpo +n m n DATE LAST INSPECTION: 12 ~10 /9B <br />SITE NAME: PeCoCo Aa_eervoir LOCATION: SW~ NWly,, Sec_ 2 T5N R87W <br />MINE NAME: Reneca ii Mina (Seneca Coal Co) LOCATION: 7.1 mi. SE of Harden, CO <br />MINE I.D. NO.: CMi.un P rmi No_ -8 -057 OWNER'S REP.: Brad Brown, Gen Maw <br />1. <br />2. <br />3. <br />4. <br />5. <br />6. <br />7. <br />8. <br />9. <br />10. <br />11. <br />12. <br />13. <br />14. <br />15. <br />16. <br />17. <br />18. <br />19 <br />20 <br />Foundation preparation (removal of vegetation, stumps, topsoil: ~ No <br />Lift thickness: inches <br />Compaction according to approved plan: <br />Burning (specify extent and location): <br />Angle of elope (degrees) <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: <br />At isolated points on embanlnaent elopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />Cracks or ecarpe on treat: <br />Cracks or ecarpe on elope: <br />Sloughing or bulging on elope: <br />*Major erosion problems: <br />Surface movements in valley bottom or on hillside: <br />*Eroeion of toe: <br />*Water impounded against toe: _ <br />Existing embankment freeboard: <br />Increase Decrease in water level: No change <br />Cracks, bulging, or erosion on upstream face: <br />Visible sumps or sinkholes in Blurry surface: <br />*Clogging <br />Spillway channels and pipes: <br />Decant system: <br />Diversion ditches: <br />*Cracking or crushing of pipes <br />Spillway pipes: <br />Decant system: <br />Trash racks clear and in place: <br />No <br />Yes No <br />degrees <br />Yee <br />Yee o <br />Yee <br />Yee <br />Yes o <br />Yee <br />Yes <br />Yee N <br />Yee o <br />Yes <br />Yee <br />Yee <br />Yee <br />6.1 feet <br />feet <br />Yee <br />Yea <br />Yee <br />Yes <br />Yee <br />Yee <br />Yea o <br />ee 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 space on <br />the back of this sheet. <br />