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PERIODIC INSPECTION FORM <br />3tockponds or Sumps <br />INSPECTOR'S NAME: Rov Karo <br />FACILITY CONFIGURATION: Stockoond <br />SITE NAME: T-22 <br />MINE NAME: Seneca II-W <br />MINE I.D. NO.: C-82-057 <br />DATE: 03/10/97 <br />DATE LAST INSPECTION: 12/17/96 <br />LOCATION: SEYSWy. Sec 10. T5N. R88W <br />LOCATION: 8 mi S of Hayden, CO <br />OWNER'S REP.: -Brad Brown. Gen Mar <br />Circle or write in aooronriate reanonse <br />1. Angle of slope: 3.5:1 upstream, 2.5:1 downstream Total = 6:1 N/A <br />2. +Seepage (specify location, color, and approximate volume) <br /> At isolated points on embankment slopes: Yes ~ N/A <br /> At natural hillside: Yes N~ N/A <br /> Over widespread areas: Yes ~ N/A <br /> From downstream foundation area: Yes o N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />3. Cracks or scarps on crest: Yes o N/A <br />4. Cracks or scarps on slope: Yes o N/A <br />5. Sloughing or bulging on slope: Yes ® N/A <br />6. *Major erosion problems: Yes ~ N/A <br />7. Surface movements in valley bottom or on hillside: Yes ,1~m7 N/A <br />8. *Erosion of toe: Yes t N/A <br />9. +Water impounded against downstream toe: Yes 1:7 NJA <br />10. Existing embankment freeboard: Aooroximately 4.1 feet <br />11. Increase Decrease in water level: No chance feet <br />12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />13. Spillway erosion: Yes ~ N/A <br />14. +Clogginq <br /> Spillway channels: Yes N/A <br /> Diversion ditches: Yes N/A <br />+Maj or 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 />