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PERIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Roy Karo DATE: 03/30/94 <br />FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 11/11/93 <br />SITE NAME: T-12 SITE LOCATION: NW%SE%, Sec 12,TSN,R87W <br />MINE NAME: Seneca IZ LOCATION: 7.1 mi SE of Havden, Colorado <br />MINE I.D. NO.: C-80-005 OWNER'S REP.: -Scott Williams, Supt. <br />Circle Or write in appropriate response <br />1 <br />2 <br />Angle of slope: 2:1 upstream, 2:1 downstream <br />+Seepage (specify location, color, and approximate volume) <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Yes ~Iq7 N/A <br />Yes ~N~ N/A <br /> Over widespread areas: Yes LoJ N/A <br /> From downstream foundation area: Yes ~ CJ/A <br /> "Boils" beneath stream or ponded water: Yes Psi N/A <br />3. Cracks or scarps on crest: Yes t~J. i N/A <br />4. Cracks or scarps on slope: Yes LNG N/A <br />5. Sloughing or bulging on slope: Yes Jol N/A <br />6. 'Major erosion problems: Yes ~°J N/A <br />7. Surface movements in valley bottom or on hillside: Yes ~; N/A <br />8. "Erosion of toe: Yes ~, N/A <br />9. *Water impounded against downstream toe: Yes ~ N/A <br />10. Existing embankment freeboard: from crest = 3_5 feet (approx) <br />11. Increase Decrease in water level: feet <br />12. Cracks, bulging, or erosion on upstream face: Yes ~) N/A <br />13. Spillway erosion: es No N/A <br />14. *Clogging <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: Yes No ~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 />