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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Roy Karo <br />FACILITY CONFIGURATION: Stocknond <br />SITE NAME: T-7 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: C-80-005 <br />DATE: 12/22/97 <br />DATE LAST INSPECTION: 09/24/97 <br />LOCATION: NE4_cW3, Sec 1_2 TSN R87W <br />LOCATION: 7.1 m, SE of Hayden,~_ <br />OWNER'S AEP.: Brad Brown, Gen Mgr <br />1. Angle of elope: 2.5:1 upstream, 3:1 downstream Total = 5.5:1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> <br /> At isolated points on embankment elopes: Yes ® N/A <br /> At natural hillside: Yes ~ N/A <br /> <br /> Over widespread areas: Yee ~ N/A <br /> From downstream foundation area: Yes ~ N/A <br /> "Boils" beneath stream or ponded water: Yes ~ N/A <br />3. Cracks or scarps on crest: Yes o N/A <br />4. Cracks or scarps on slope: Yes N/A <br /> <br />5. Sloughing or bulging on slope: Yee ~ N/A <br /> <br />6. *Major erosion problems: Yes N® N/A <br />7. Surface movements in valley bottom or on hillside: Yee ~o N/A <br />8. *Eroeion of toe: Yes ® N/A <br />9. *Water impounded against downstream toe: Yee ~ N/A <br />10. Existing embankment freeboard: aRnroximately ~ feet <br />11. increase Decrease in water level: No change feet <br />12. Cracks, bulging, or erosion on upstream face: Yee ® N/A <br />13. Spillway erosion: Yes ~ N/A <br />14. *clogging <br /> <br />Spillway channels: <br />Yee ,F~ <br />~ <br />N/A <br /> Diversion ditches: Yes 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 />