Laserfiche WebLink
PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Micha 1 A7 avi7la DATE: 09/22/99 <br />NPDES I.D. NO.: co-0000221_ ^_P_ 004 <br />FACILITY CONFIGURATION: crone-Val y Pond DATE LAST INSPECTION: 06/30/99 <br />SITE NAME: South Section 12 Pond X004 LOCATION: SW~ SEk c _ 1 TcN RB7W <br />MINE NAME: Seeeca ii Mine (s nets -oal 01 LOCATION: 7.1 mi_ cF of Hayden <br />MINE I.D. NO.: C .Rn P m+ No_ -SO-OOC OWNER'S REP.: Brad Hrown, Gen Mq~ <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: es No N/A <br />2. Lift thickness: ~_ in. N/A <br /> <br />3. Compaction according to approved plan: es No N/A <br />4. Burning (specify extent and location): Yea No <br />5. Angle of elope: 5:1 upstream, 2:1 downstream Total = 7:1 N/A <br />6. *Seepage (specify Location, color, and approximate volume) <br /> From underdrain pipes: Yea o N/A <br /> At isolated points on embankment elopes: Yes o N/A <br /> At natural hillside: Yee No N/A <br /> Over widespread areas: Yee N/A <br /> From downstream foundation area: Yee N N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />7. Cracks or scarps on treat: Yea o N/A <br />B. Cracks or scarps on elope: Yes N/A <br />9. Sloughing or bulging on elope: Yee ~ N/A <br />30. *Major erosion problems: Yea ~ N/A <br />11. Surface movements in valley bottom or on hillside: Yee N/A <br />12. *Eroeion of toe: Yee ~ <br />o N/A <br />13. *Water impounded against toe: Yee o N/A <br />14. Existing embankment freeboard: see comments 5.5 feet <br />15. Increase Decrease in water Level: No change feet <br />16. cracks, bulging, or erosion on upstream face: Yea No N/A <br /> <br />17. Visible sumps or sinkholes in slurry surface: Yee No /A <br />18. *Clogging <br /> Spillway channels and pipes: Yee N/A <br /> Decant system: Yes ~ N/A <br /> Diversion ditches: Yea o N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yee N/A <br /> Decant system: Yee ~ <br />o N/A <br />20. Trash racks clear and in place: ee 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 />