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PERIODIC INSPECTION FORM <br />stockponds or Sumps <br />INSPECTOR'S NAME: BO.y ICaro <br />FACILITY CONFIGURATION: stoc and <br />SITE NAME: T-11 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: C-80-005 <br />DATE: 09/24/97 <br />DATE LAST INSPECTION: 06/24/97 <br />LOCATION: NW'xSE~x Sec 12 TSN R87W <br />LOCATION: 7.1 m' SF. o H. en, CO <br />OWNER'S REP.: Brad Brown Gen Mar <br />1. Angle of elope: 3:1 upstream, 2:1 downstream Total = 5:1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment slopes: Yes ~ N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: Yee No N/A <br /> "Boils" beneath et ream or ponded water: Yes o N/A <br />3. Cracks or scarps on treat: Yes No N/A <br />4. Cracks or scarps on slope: Yes No N/A <br />5. Sloughing or bulging on elope: Yes G <br />~ <br />/NOD N/A <br />6. *Major erosion problems: Yes ~~ N/A <br />7. Surface movements in valley bottom or on hillside: Yes ~ N/A <br />8. *Eroeion of toe: Yee N N/A <br />9. *Water impounded against downstream toe: Yea ~ N/A <br />10. Existing embankment freeboard: An~o ox'ma sty ~ feet <br />11. Increase Decrease in water level: No change feet <br />12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br /> <br />13. Spillway erosion: Yes ~ N/A <br />14. *Clogging <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: Yee 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 thin sheet. <br />