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PERIODIC INSPECTION FORK <br /> Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis ~onea DATE: 0324 /.QB <br />NPDES I.D. NO.: CO-0000 221 O.P. OOa_ <br />FACILITY CONFIGURATION: C ross-Valley. Pond DATE LAST INSPECTION: 1276/97 <br />SITE NAME: Pond ¢`009 LOCATION: ~~ SW'q s~es~L1,,, msN RBBw <br />MINE NAME: S n a Tr-W Mi n (S n a oat -01 LOCATION: 8 mi. S of Hayden, CO <br />MINE I.D. NO.: CMr.Rn p m ; No. --8 -057 OWNER'S REP.: Brad Brown, Gen Mgr <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: ee No N/A <br />2. Lift thickness: ~_ in. N/A <br />3. Compaction according to approved plan: ~ No N/A <br />4. Burning (specify extent and location): Yea No <br />5. Angle of elope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yee No N/A <br /> At isolated points on embankment elopes: Yes A <br /> At natural hillside: Yee N/A <br /> Over widespread areas: Yea o N/A <br /> From downstream foundation area: Yee o N/A <br /> "Boils" beneath stream or ponded water: Yee o N/A <br />7. Cracks or ecarpe on crest: Yes ~ N/A <br />8. Cracks or ecarpe on elope: Yes ® N/A <br />9. Sloughing or bulging on elope: Yes ® N/A <br />10. *Major erosion problems: Yes ©o N/A <br />11. Surface movements in valley bottom or on hillside: Yes ® N/A <br />12. *Eroeion of toe: Yee ® N/A <br />13. *Water impounded against toe: Yee No N/A <br />14. Existing embankment freeboard: Ancnrn,,;mately 7.9 feet <br />15. Increase Decrease in water level: No change feet <br />16. Cracks, bulging, or erosion on upstream face: Yee ®o N/A <br />17. Visible sumps or sinkholes in Blurry surface: Yee No <br />18. *Clogging <br /> Spillway channels and pipes: Yes ~ N/A <br /> Decant system: Yes No <br /> Diversion ditches: Yee No <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yee ~ N/A <br /> Decant system: Yee No <br />20. Trash racks clear and in place: ~ 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 space on <br />the back of this sheet. <br />