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PERIODIC INSPECTION FORM <br />Mater. Sedi~ent, or Slurry Lpoundments <br />INSPECTOR'S NAME: Q~,. <br />N.P.D.E.S. I.D. NO.: CO-0~ <br />FACILITY CONFIGURATION: In <br />SITE NAME: .Wad a Im oundm <br />MINE NAME: Seneca Mine P~ <br />MINE I.D. NO.: CMLRB Perm <br />~.~ ~ DATE: C(-Z Z <br />.P. 002 <br />DATE LAST INSPECTI <br />LOCATION: NW ;NE ;, <br />Company LOCATION: mi• <br />-80 OWNER'S REP~n <br />Circle or write in appropriate response <br />DN:~, <br />Sec. , <br />o ay en, <br />u ian, up . <br />1. Foundation preparation (removal of vegetation, stumps, topsoilt) _ ~U A <br />2. Lift thickness (inches) N/A _-;,;e;,:r <br />3. Compaction according to app roved plan N/A •YeS~- <br />4. Burning (specify extent and location) N/A e- <br />5. Angle of slope (~gp~~ N/A _ fie;°_-- <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes N/A ~T~;a- <br /> At isolated points on embankment s opes N/A -~T~~- <br /> At natural hillside N/A *~--+*e- <br /> Over widespread areas N/A '1'rr-Me- <br /> From downstream founda tion area N/A ~i~--*ie- <br /> "Boils" beneath stream or ponde water N/A ~S-+:s-- <br />7. Cracks or scarps on crest N/A +2T~- <br />8. Cracks or scarps on slope N!A ~T~- <br />9. Sloughing or bulging on slope N/A %r~:e- <br />10. *Ma,)or erosion problems Yes <br />11. Surface movements in valley bottom or on hillside ~ No <br />12. *Erosion of toe N/A <br />13. *Water impounded against toe N/ A <br />14. Existing embankment freeboard (feet) N/ A <br />15. Increase Decrease in water level (feet) y-~ Sl~~.,o <br />16. Cracks, bulging, or erosion on upstream face N/ A <br />17. Visible sumps or sinkholes in slurry surface N/ A <br />18. *Clogging <br />Spillway channels <br />Decant system <br />Diversion ditches <br />and pipes <br />19. *Cracking or crushing of pipes <br />Spillway pipes <br />Decant system <br />fV <br />~~.-.::- <br />Yee~:e- <br />---feeir <br />»0;3 feet xl,;`l <br />-des--fle- <br />-~es-aFe- <br />Yes No <br />Yes No <br />Y-es--~Ve- <br />,I__ u,. <br />-Ternv- <br />20. Trash racks clear and in place N/A -Mes-~Fe- <br />*Ma,)or adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse condi- <br />tions noted in these items should normally be described (extent, location, volume, etc.) <br />in the space on the back of this sheet. <br />