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PfiRIODIC INSPECTION FORM <br />Stockponde or Sumps <br />INSPECTOR'S NAME: Roy Ka ro DATE: 12/20/2001 <br />FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 8 /17/2001 <br />SITE NAME: T-8 LOCATION: NE SSW'/„ Sec 12, TEN, R87W <br />MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, CO <br />MINE I.D. NO.: C-80-005 OWNER'S REP.: Gregg Ki tchen Gen. Mgr. <br /> <br /> Circle or write in appro priate response <br />1. Angle o£ slope: 3:1 upstream, 3.5:1 downstream Total = 6.5: 1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> <br /> At isolated points on embankment slopes: Yes ~ N/A <br /> <br /> At natural hillside: Yes f bN N/A <br /> Over widespread areas: Yes N/A <br /> From downstream foundation area: Yes N/A <br /> "Boils" beneath stream or ponded water: Yes N/A <br /> <br />3. Cracks or scarps on crest: Yes ~ N/A <br /> <br />4. Cracks or scarps on slope: Yes ~ N/A <br />5. Sloughing or bulging on slope: Yes N/A <br />6. *Major erosion problems: Yes N/A <br />7. Surface movements in valley bottom or on hil lside: Yes N/A <br />8. *Erosion of toe: Yes ~ N/A <br />9. *Water impounded against downstream toe: Yes Y <br />(!Y <br />Wq <br />~l <br />lf N/A <br />10. Existing embankment freeboard: App roximately 2 f <br />e <br />et <br /> <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: Yes 16~ <br />~J N/A <br />14. *Clogging <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: Yes ~ 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 space on the back of this sheet. <br />13 <br />