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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: RBI Raro <br />FACILITY CONFIGURATION: Stoc nond <br />SITE NAME: T-15 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: C-8D-005 <br />DATE: 09/28/98 <br />DATE LAST INSPECTION: 05/12/98 <br />LOCATION: .~RlINWi4i Sec 12 TSN RB7W <br />LOCATION: 7_~ mi S. of H4,~.den CO <br />OWNER'S REP.: Brad Brown Gen Mgr <br />1. Angle of elope: 3:1 upstream, 3:1 downstream Total = 6e1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment elopes: Yea No N/A <br /> At natural hillside: Yes N <br />o N/A <br /> Over widespread areas: Yes /// <br />~~~ <br />~ N/A <br /> From downstream fovndat ion area: Yes o N/A <br /> "Boils" beneath stream or ponded water: Yes ~ N/A <br /> <br />3. Cracks or scarps On crest: Yee No N/A <br />4. Cracks or scarps on elope: Yee No N/A <br />5. Sloughing or bulging on elope: Yee No N/A <br />6. *Major erosion problems: Yes o N/A <br />7. Surface movements in valley bottom or on hillside: Yee ~ N/A <br />8. *Eroeion of toe: Yee No N/A <br />9. *Water impounded against downstream toe: Yee No N/A <br />30. Existing embankment freeboard: App ox'ma sly ~_ feet <br />11. Increase Decrease in water level: No change feet <br />12. Cracks, bulging, Or erosion on upstream face: Yee No N/A <br />13. Spillway erosion: Yea ~JO~ <br />~/ N/A <br />14. *Clogging <br /> Spillway channels: Yee N/A <br /> Diversion ditches: Yes ~ <br />No 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 />