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PERIODIC INSPECTION FORK <br />Stockpoada or Sumps <br />INSPECTOR'S NAME: M' ha 1 At av;tla <br />FACILITY CONFIGURATION: Stockpond <br />SITE NAME: T-3 <br />MINE NAME: Seneca II-W <br />MINE I.D. NO.: C-82-057 <br />DATE: t2/~/o4 <br />DATE LAST INSPECTION: 09/23/99 <br />LOCATION: NWi,SE6 Sec 22 TSN RBSW <br />LOCATION: B mi S of Hayden c0 <br />OWNER'S REP.: Rrad Brown Gen M9~_ <br />1. Angle of elope: 6.3:1 upstream, 2.9:7 downstream Total = 7 .2:1 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: Yes ~ N/A <br /> Over widespread areas: Yes N/A <br /> From downstream foundation area: Yee ~ <br />o N/A <br /> "Boils" beneath stream or ponded water: Yee No N/A <br />3. Cracks or scarps on treat: Yes o N/A <br />4. Cracks or scarps on elope: Yee N/A <br />5. Sloughing or bulging on elope: Yee (~fo~ N/A <br />6. *Major erosion problems: Yes ~® N/A <br />7. Surface movements in valley bottom or on hillside: Yee ® N/A <br />8. •Eroe ion of toe: Yee ® N/A <br />9. *Water impounded against downstream toe: Yee ® N/A <br />30. Existing embankment freeboard: Annroximately 3.7 feet <br />11. Increase Decrease in water level: No change feet <br />12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />13. Spillway erosion: Yee ® N/A <br />14. *Clogging <br /> Spillway channels: Yee 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. Adveree <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 />