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<br />PERIODIC INSPECTION PORN <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Michael Altavi7la DATE: 12/10/95 <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: 7nciaed Pond DATE LAST INSPECTION: 04/ie/oe <br />SITE NAME: Truck Waah sgPAly Pend LOCATION: NW3~ N~lr Rec. a4 T6N R87W <br />MINE NAME: ten a M'n rr (tens a oal e1 LOCATION: 7.1 mi. c. 07= Hayden CO <br />MINE I.D. NO.: COMG Permit No. C-80-OOC OWNER'S REP.: Brad Brown, Gen Mgr <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yee No N/A <br />2. Lift thickness: 1Z inches <br />3. Compaction according to approved plan: © No N/A <br />4. Burning (specify extent and location): Yes No <br />5. Angle of elope: 2:1 upstream, 2:1 downstream Total = 4:1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yee No N® <br /> At isolated points on embankment slopes: Yee o N/A <br /> At natural hillside: Yea N/A <br /> Over widespread areas: Yee ~ N/A <br /> From downstream foundation area: Yes o N/A <br /> "Boils" beneath stream or ponded water: Yee o N/A <br />7. Cracks or scarps on crest: Yee No N/A <br />8. Cracks or scarps on elope: Yee ~ N/A <br />9. Sloughing or bulging on elope: Yee ® N/A <br />10. +Major erosion problems: Yee Q N/A <br />11. Surface movements in valley bottom or on hillside: Yee ~ N/A <br />12. *Eroeion of toe: Yes ~ N/A <br />13. *Water impounded against toe: Yes ® N/A <br />14. Existing embankment freeboard: spa comments 2.5 feet <br />15. ~ Increase Decrease in water level: 0.25 feet <br />16. Cracks, bulging, or erosion on upstream face: Yee No N/A <br />17. Visible sumps or sinkholes in slurry surface: Yee No <br />18. *Clogging <br /> Spillway channels and pipes: Yee ~ N/A <br /> Decant system: Yes No <br /> Diversion ditches: Yee ~ N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yee No N/A <br /> Decant system: Yes No <br />20. Trash racks clear and in place: Yee No N/A <br />+Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted <br />in these items should normally be described (extent, location, volume, etc.) in the apace on <br />the back of this sheet. <br />