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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Rw xaro <br />FACILITY CONFIGURATION: c o pond <br />SITE NAME: T-20 <br />MINE NAME: Seneca rI <br />MINE I.D. NO.: c-AO-005 <br />DATE: ^3/~/g9 <br />DATE LAST INSPECTION: 12/15/98 <br />LOCATION: CF;IiI'i~ Sec t t TSH. RB7W <br />LOCATION: 7.1 mi SF. of Hayden, CO <br />OWNER'S REP.: Arad Hmwn C-en MQr <br />1. Angle of elope: 3e1 upstream, 4:] downstream Total = 7.t N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment elopes: Yes ~ N/A <br /> At natural hillside: Yee ~ N/A <br /> Over widespread areas: Yee ~ N/A <br /> From downstream foundation area: Yee ® N/A <br /> "Boils" beneath stream or ponded water: Yee ~ N/A <br />3. Cracks or scarps on treat: Yee ~ N/A <br />4. Cracks or scarps on elope: Yee ® N/A <br />5. Sloughing or bulging on elope: Yee ~ N/A <br />6. •Major erosion problems: Yee ® N/A <br />7. Surface movements in valley bottom or on hillside: Yee /~o~ <br />~ N/A <br />8. *Eroeion of toe: Yee ~ N/A <br />9. *Water impounded against downstream toe: Yee ~ N/A <br />10. Existing embankment freeboard: Approximately ~ feet <br />11. Increase Decrease in water level: Ne change feet <br />12. Cracks, bulging, or erosion on upstream face: Yee N/A <br />13. Spillway erosion: Yee ~ <br />o N/A <br />14. *Clogging <br /> Spillway channels: Yes N/A <br /> Diversion ditches: Yea ~ <br />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 this sheet. <br />