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PERIODIC INSPECTION FORM <br />Stockponda 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-13 LOCATION: NWy,SE'b, Sec 12, TS N, 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 Kitchen <br />Circle or write in appropriate response <br />1. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 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 ~ <br />Inv 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 ~ <br />lC <br />y N/A <br />3. Cracks or scarps on crest: Yes ~ <br />( <br />(Nm N/A <br />a. Cracks or scarps on slope: Yes IV N/A <br />5. Sloughing or bulging on slope: Yes N/A <br />6. *Major erosion problems: Yes o N/A <br />7. Surface movements in valley bottom or on hillside: Yes N/A <br />8. *Erosion of toe: Yes N/A <br />9. *Water impounded against downstream toe: Yes CCnn <br />Wq <br />' <br />VV N/A <br />10. Existing embankment freeboard: Approximately 6 f <br />e <br />et <br />11. Increase Decrease in water level: No change feet <br />12. Cracks, bulging, or erosion on upstream face: Yes 1~ N/A <br /> <br />13. Spillway erosion: _ Yes 1~ N/A <br />14. *Clogging <br /> Spillway channels: Yes J~ N/A <br /> Diversion ditches: Yes .L V~ 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 />17 <br />