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..~ _ ,,.. <br />REC <br />PERIODIC INSPECTION FORM APR 1 ~ ?UUZ <br />Stockponds or Sumps <br />Division of Minera)s ~ Geolo9Y <br />INSPECTOR'S NAME: Roy Karo DATE: 3/20/2002 <br />FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 12/20/2001 <br />SITE NAME: T-I LOCATION: SW~/,SEA/„ Sec 16, TSN, R88W <br />MINE NAME: Seneca II-W LOCATION: 8 mi S of Hayden, CO <br />MINE I.D. NO.: C-82-057 OWNER'S REP.: Roy Karo <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 /> <br />At isolated points on embankment slopes: <br />Yes ~f1 <br />N/A <br /> At natural hillside: Yes N/A <br /> Over widespread areas: Yes ~ N/A <br /> From downstream foundation area: Yes N/A <br /> "Foils" beneath stream or ponded water: Yes ~ N/A <br />3. Cracks or scarps on crest: Yes 1® N/A <br /> <br />4. Cracks or scarps on slope: Yes ~ N/A <br /> ,,{ <br />5. Sloughing or bulging on slope: Yes 1Q~ N/A <br />6. *Major erosion problems: YES I~ N/A <br />7. Surface movements in valley bottom or on hillside: Yes ~ N/A <br />B. *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: f <br />eet <br />12. Cracks, bulging, or erosion on upstream face: Yes II <br />ff~~ <br />N~ N/A <br />13. Spillway erosion: Yes ~ N/A <br />14. *Clogging <br /> <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 />