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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Tom Wainwrioht DATE: June 10, 1993 <br />FACILITY CONFIGURATION: Stockoond DATE LAST INSPECTION: <br />SITE NAHE: T-13 SITE LOCATION: NWIiSEk, Sec 12,TSN,R87W <br />MINE NAME: Seneca II LOCATION: 7.1 mi SE of Hayden, Colorado <br />MINE I.D. NO.: C-SO-005 OWNER'S REP.: Scott Williams, Supt. <br />ClrCle Or write is eDDrOprlate reSpOIISe <br />1. Angle of elope: 2:1 upstream, 2:1 downstream <br />2. *Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: <br />At natural hillside: ______ <br />Yes ~NOi N/A <br />Yes `No% N/A <br /> Over widespread areas: Yes ~Nn. N/A <br /> From downstream foundation area: Yea LNOi N/A <br /> "Boils" beneath stream or ponded water: Yes LNG N/A <br />3. Cracks or scarps on crest: Yee ~~Ig. N/A <br />4. Cracks or scarps on elope: Yes ~~.' N/A <br />5. Sloughing or bulging on slope: Yes ~rg~ N/A <br />6. *Major erosion problems: Yes `NO N/A <br />7. Surface movements in valley bottom or on hillside: Yes LJ N/A <br />8. *Erosion of toe: Yes .N¢ N/A <br />9. *Wat er impounded against downstream toe: Yes ~Ng.` N/A <br />10. Existing embankment freeboard: feet <br />11. Increase Decrease in water level: feet <br />12. Cracks, bulging, or erosion on upstream face: Yea N~ N/A <br />13. Spillway erosion: ~e s~ ~ No N/A <br />14. *Clogging <br /> Spillway channels: Yes ~Ng. N/A <br /> Diversion ditches: Yes CNJ 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 />Total = 4:1 N/A <br />