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PERIODIC INSPECTION PORM <br />8tockponds or Sumps <br />INSPECTOR'S NAME: Michael Altavilla <br />FACILITY CONFIGURATION: St pond <br />SITE NAME: T-3 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: C-RO-005 <br />DATE: 1 u02/99 <br />DATE LAST INSPECTION: _09/22/99 <br />LOCATION: N :3~NF3~ sec 11 m5N RB7w <br />LOCATION: 7.1 mi SE of Mayden. CO <br />OWNER'S REP.: Brad Brown, Gen Mgr <br />1. Angle of elope: a:l upstream, a:l downstream Total = 9:1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment slopes: Yee ® N/A <br /> At natural hillside: Yee ® N/A <br /> Over widespread areas: Yee ® N/A <br /> From downstream foundation area: Yea F <br />~ 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: Yes ® N/A <br />7. Surface movements in valley bottom or on hillside: Yes I~ N/A <br />8. *Eroeion of toe: Yee ® N/A <br />9. *Water impounded against downstream toe: Yes ~ N/A <br />10. Existing embankment freeboard: Ann ox~ma Y 9.0 feet <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 Oo N/A <br />14. *Clogging <br /> <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: Yee 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 />