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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: RoY Karo <br />FACILITY CONFIGURATION: Stockpond <br />SITE NAME: T-1 <br />MINE NAME: Seneca II-W <br />MINE I.D. NO.: C-82-057 <br />DATE: 6/20/2002 <br />DATE LAST INSPECTION: 3!20(2002 <br />LOCATION: SW~SE~, Sec 16, TIN, R8SW <br />LOCATION: 8 mi S of Hayden, CO <br />OWNER'S REP.: Roy Karo <br />Circle or xrite 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 ~ N/A <br /> Over widespread areas: Yes ~ N/A <br /> From downstream foundation area: Yes ~ NJA <br /> "Boils" beneath stream or ponded water: Yes ~ N/A <br />3. Cracks or scarps on crest: Yes ~ N/A <br />4. Cracks or scarps on slope: Yes .vc <br />nvq N/A <br />5. Sloughing or bulging on slope: Yes 1}fw~~ N/A <br />6. *Major erosion problems: Yes N~ 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 N/A <br />10. Existing embankment freeboard: Approximately 4.0 feet <br />11. x Increase Decrease in water level: feet <br />12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />13. Spillway erosion: Yes AA <br />l~ N/A <br />19. *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 />43 <br />