2010-01-11_HYDROLOGY - C1982057 (3)

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PERIODIC INSPECTION FORM Stockponds or Sumps INSPECTOR'S NAME: Dennis Jones FACILITY CONFIGURATION: Stockpond SITE NAME: T-5 MINE NAME: Seneca II-W MINE I.D. NO.: C-82-057 DATE : 16) - t 3` 6 l DATE LAST INSPECTION: LOCATION: NEY44 Sec 22, TSN, R88W LOCATION: 8 mi S of Hayden, CO OWNER'S REP.: Dennis Jones, Manager Circle or write in appropriate response 1. Angle of slope: upstream, downstream Total = 2. *Seepage (specify location, color, and approximate volume) At isolated points on embankment slopes: Yes o N/A At natural hillside: Yes No N/A Over widespread areas: Yes No N/A From downstream foundation area: Yes No N/A "Boils" beneath stream or ponded water: Yes No N/A 3. Cracks or scarps on crest: Yes No N/A 4. Cracks or scarps on slope: Yes No N/A 5. Sloughing or bulging on slope: Yes No N/A 6. *Major erosion problems: Yes No N/A 7. Surface movements in valley bottom or on hillside: Yes No N/A 8. *Erosion of toe: Yes No N/A 9. *Water impounded against downstream toe: Yes No N/A 10. Existing embankment freeboard: feet 11. Increase Decrease in water level: feet 12. Cracks, bulging, or erosion on upstream face: Yes No N/A 13. Spillway erosion: Yes No N/A 14. *Clogging Spillway channels: Yes No N/A Diversion ditches: Yes No N/A *Major adverse changes in these items could cause instability and should be reported to the Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in these items should normally be described (extent, location, volume, etc.) in the space on the back of this sheet. Comments: Gv eACA ?•?