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PBRIODIC INSPECTION FORK <br />Stockponds or Sumps <br />INSPECTOR'S NAME: M7 hae7 7 av'77a <br />FACILITY CONFIGURATION: Stoc pond <br />SITE NAME: - T-25 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: c-80-005 <br />DATE: 11/02/99 <br />DATE LAST INSPECTION: 09/22/99 <br />LOCATION: cEIrSE3I _cec 2 TSN R87W <br />LOCATION: 7.7 mi cF. of Hayden, Co <br />OWNER'S REP.: Rrad Brown, Gen Mq~_ <br />1. Angle of elope: 3:1 upstream, 4:1 downstream Total = 7:1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment elopes: Yee ~ N/A <br /> At natural hillside: Yee ~1 N/A <br /> Over widespread areas: Yee ® N/A <br /> From downstream foundation area: Yee ® N/A <br /> "Boils" beneath stream or ponded water: Yes ® N/A <br />3. Cracks or scarps on crest: Yes ® N/A <br />4. Cracks or scarps on elope: Yee ~ N/A <br />5. Sloughing or bulging on slope: Yee ~ N/A <br />6. *Major erosion problems: Yee ~o N/A <br />7. Surface movements in valley bottom or on hillside: Yee I~o N/A <br />8. *Eroeion of toe: Yee ~ N/A <br />9. *Water impounded against downstream toe: Yes ~ N/A <br />10. Existing embankment freeboard: approximately ~_ feet <br />11. Increase Decrease in water level: Ho change feet <br />12. Cracks, bulging, of erosion on upstream face: Yes ~ N/A <br />13. Spillway erosion: Yea o N/A <br />14. *Clogging <br /> Spillway channels: Yes N/A <br /> Diversion ditches: Yes ~ <br />o 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 <br />conditions noted in these items should normally be described (extent, location, volume, <br />etc.) in the apace on the back of this sheet. <br />