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<br />PfiRIODIC INSPECTION FORM <br />Stockponds or Sumps <br />INSPECTOR'S NAME: Roy Karo <br />FACILTTY CONFIGURATION: Stockpond <br />SITE NAME: T-4 <br />MINE NAME: Seneca II <br />MINE I.D. NO.: C-80-005 <br />DATE: 3/20/2002 <br />DATE LAST INSPECTION: 12/20/2001 <br />LOCATION: SW~TE~/,, Sec 11, TSN, R87W <br />LOCATION: 7.1 mi SE of Hayden, CO <br />OWNER'S REP.: Gregg Kitchen Gen.Mgr. <br />Circle or write in appropriate response <br />1. Angle of slope: 3:1 upstream, 2.5:1 downstream Total = 5.5 :1 N/A <br />2. *Seepage (specify location, color, and approximate volume) <br /> (((~~~ <br /> At isolated points on embankment slopes: Yes ~ N/A <br /> At natural hillside: Yes N/A <br /> Over widespread areas: Yes c~ <br />ivy <br />~ <br />J N/A <br /> From downstream foundation area: Yes ~1• <br />?7 <br />. N/A <br /> °BOils" beneath stzeam or ponded water: Yes ~ N/A <br />3. Cracks or scarps on crest: Yes ~ N/A <br />4. Cracks or scarps on slope: Yes ® N/A <br />5. Sloughing or bulging on slope: Yes T~ N/A <br />6. *Maj or erosion problems: Yes ~.Cnxr71 N/A <br />7. Surface movements in valley bottom or on hillside: Yes (~I N/A <br />8. *Erosion of toe: Yes R~ N/A <br />9. *Water impounded against downstream toe: Yes ® N/A <br />10. Existing embankment freeboard: Approximately 9 feet <br />11. Increase Decrease in water level: No change feet <br />1<. Cracks, bulging, or erosion on upstream face: Yes `~ N/A <br />~_. 3pillo;a/ egos i.an: Yes ~ N/A <br />t4. *Clogging <br /> Spillway channels: Yes ~ N/A <br /> Diversion ditches: 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.1 in the space on the back of this sheet. <br />7 <br />