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l'_J <br /> <br />PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Mike Altavilla DATE: 06/29/00 <br />FACILITY CONF1Gt1RATION: Stockpond DATE LAST INSPECTION: 03/31/00 <br />SITE NAME: T-2 LOCATION: SE'/.SW'/.,Sec2,T5N,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.: Brad Brown, Gen Mgr <br />Circlellndicate or write in appropriate response <br />1. Angle of slope: 2:1 upstream, 2.75:1 downstream Total = 4.75:1 N/A <br />2. "Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: Yes No N/A <br />At natural hillside: Yes No N/A <br />Over widespread areas: Yes No N/A <br />From downstream foundation area: Yes No N/A <br />"Boils" beneath stream or ponded water: Yes No N/A <br />3. Cracks or scarps on crest: Yes No N/A <br />4. Cracks or scarps on slope: Yes No N/A <br />5. Sloughing or bulging on slope: Yes No N/A <br />6. "Major erosion problems: Yes No N/A <br />7. Surface movements in valley bottom or on hillside: Yes No N/A <br />8.' Erosion of toe: Yes No N/A <br />9.' Water impounded against downstream toe: Yes No N/A <br />10. Existing embankment freeboard: approximately 2.0 (feet) <br />11. _ Increase _X_ Decrease in water level: 0.5 (feet) <br />12. Cracks, bulging, or erosion on upstream face: Yes No N/A <br />13. Spillway erosion: Yes No N/A <br />14. "Clogging <br />Spillway channels: Yes No N/A <br />Diversion ditches: Yes No N/A <br />"Major adverse changes in these items could cause instability and should be reported to the Engineering Manager and <br />Mine Superintendent for further evaluation. Adverse conditions noted in these items should normally be described <br />(extent, location, volume, etc.) in the space on the back of this sheet. <br />I ~rmir,.oavr>y~.say,...../zep....,~.y.~i <br />1 <br />