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<br />PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Mike Altavilla DATE: 9/29/00 <br />FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 06/29/00 <br />SITE NAME: T-1 LOCATION: SEY.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 />Circle/Indicate or write in appropriate response <br />L J <br />1. Angle of slope: 3:1 upstream, 4:1 downstream <br />2. 'Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />3. Cracks or scarps on crest: <br />4. Cracks or scarps on slope: <br />5. Sloughing or bulging on slope: <br />6. 'Major erosion problems: <br />7. Surface movements in valley bottom or on hillside: <br />8. ' Erosion of toe: <br />9.' Water impounded against downstream toe: <br />10. Existing embankment freeboard: <br />11. _ Increase Decrease in water level: <br />12. Cracks, bulging, or erosion on upstream face: <br />13. Spillway erosion: <br />14.' Clogging <br />Spillway channels: <br />Diversion ditches: <br />Total = 7:1 <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />2.5 <br />Yes <br />Yes <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />No <br />(feet) <br />(feet) <br />No <br />No <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N!A <br />NIA <br />NIA <br />N/A <br />N/A <br />Yes No N/A <br />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 />(eMent, location, volume, etc.) in the space on the back of this sheet. <br /> <br />approximately <br />no change <br />1 <br />