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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Rov Karo <br />FACILITY CONFIGURATION: Stockoond <br />SITE NAME: T-1 <br />MINE NAME: Seneca II-W <br />MINE I.D. NO.: C-82-057 <br />DATE: 12/17/96 <br />DATE LAST INSPECTION: 09/28/96 <br />LOCATION: SWS:S ES:, Sec 16. T5N, R88W <br />LOCATION: 8 mi S of Hayden, CO <br />OWNER'S REP.: Brad Brown. Gen Mar <br />Circle or write in aonrooriate resoonae <br />1 <br />2 <br />3. <br />4. <br />5. <br />6. <br />7. <br />8. <br />9. <br />10 <br />11 <br />12 <br />13 <br />14 <br />Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 <br />*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 />Cracks or scarps on crest: <br />Cracks or scarps on slope: <br />Sloughing or bulging on slope: <br />*Major erosion problems: <br />Surface movements in valley bottom or on hillside: <br />*Erosion of toe: <br />*Water impounded against downstream toe: <br />Existing embankment freeboard: Ao~roximately <br />~_ Increase Decrease in water level: <br />Cracks, bulging, or erosion on upstream face: <br />Spillway erosion: <br />*Clogging <br />Spillway channels: <br />Diversion ditches: <br />Yes (No <br />Yes N <br />Yes No <br />Yes N® <br />Yes N~ <br />Yes No <br />Yes <br />Yes ®o <br />Yes <br />Yes o <br />Yes ~lo~ <br />YesYes No <br />1.5 feet <br />0.5 feet <br />Yes No <br />Yes <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 />N/A <br />N/A <br />N/A <br />N/A <br />Yes ~ N/A <br />Yes 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 space on the back of this sheet. <br />