Laserfiche WebLink
PERIODIC INSPECTION FORK <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jenea DATE: 03/29/99 <br />NPDES I.D. NO.: co-0000221 n.P. 008 <br />FACILITY CONFIGURATION: Croee-Valley~pend DATE LAST INSPECTION: 12/1/98 <br />SITE NAME: Pend 1008 LOCATION: SW1r NWlr sec. 7 TEN. R86W <br />MINE NAME: c ne a I• M'ne (ten a -oat el LOCATION: 7.1 mi_ cE of Hayden,~0 <br />MINE I.D. NO.: CMLRL Permit No_ c-80-005 OWNER'S REP.: Brad Brown, Gen Mqr <br />1. <br />2. <br />3. <br />4. <br />5. <br />6. <br />7. <br />8. <br />9. <br />10. <br />11. <br />12. <br />13. <br />14. <br />15. <br />16. <br />17. <br />18. <br />19 <br />zo <br />Foundation preparation (removal of vegetation, <br />Lift thickness: <br />Compaction according to approved plan: <br />Burning (specify extent and location): <br />Angle of elope: 3:1 upstream, 3:1 downstream <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: <br />At isolated points on embankment elopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />cracks or scarps on treat: <br />Cracks or scarps on elope: <br />Total = 6c1 <br />stumps, topsoil: <br />Sloughing or bulging on elope: <br />*Major erosion problems: <br />Surface movements in valley bottom or on hillside: <br />•Eroeion of toe: <br />*Water impounded against toe: <br />Existing embankment freeboard: see comments <br />~ Increase Decrease in water level: <br />Cracks, bulging, or erosion on upstream face: <br />Visible sumps or sinkholes in Blurry surface: <br />*Clogging <br />Spillway channels and pipes: <br />Decant eyatem: <br />Diversion ditches: <br />*Cracking or crushing of pipes <br />Spillway pipes: <br />Decant eyatem: <br />Trash racks clear and in place: <br />ee No <br />1Z in. <br />es No <br />Yee No <br />Yee <br />Yee <br />Yee <br />Yee <br />Yee <br />Yee <br />Yee <br />Yee <br />Yee <br />Yes <br />Yee <br />Yee <br />Yee <br />4.5 <br />0 <br />feet <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />3.0 feet <br />Yee ~ N/A <br />Yee No <br />Yes N® N/A <br />Yee No <br />Yee No <br />Yee ® N A <br />Yee No <br />Ye 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 />