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PERIODIC INSPECTION FORK <br />Mater. Sedi~ent, or Slurry Iepounclrnents <br />INSPECTOR'S NAME: pJey~.~iS ~o~~ g DATE: ~-~z-6$ <br />N.P.D.E.S. I.D. NO.: rn-nnnro~l n_P_ nn~ <br />FACILITY CONFIGURATION: piked Pnnd DATE LAST INSPECTION: ~ z - ~v - <br />SITE NAME: ~Inrthwect Imnnundment Nnn3 ~ LOCATION: SE%SW's, Sec. 27, T6N. R81W <br />MINE NAME: Seneca II Mina (Peabo y Coal Gomoanv) LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: r.MIRR Permit Nn. r.-nnn-RO OWNER'S REP.: Don Zulian. Suot. <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil7) Yes No <br />2. Lift thickness (inches) ~_ inches <br />3. Compaction according to approved plan Yes No <br />4. Burning (specify extent and 1•ocation) N/A X1CJiXXF1R <br />5. Angle Of Slope {.deRrei~~ 7.1 unctream_ 3~1 dnwnstream_ total = ~~ <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes Xre%XX~ <br /> At isolated points on embankment s opes Yes <br /> At natural hillside Yes <br /> Over widespread areas Yes <br /> From downstream founds ion area Yes <br /> "Boils" beneath stream or ponde water Yes <br />7. Cracks or scarps on crest Yes <br />8. Cracks or scarps on slope Yes ~ <br />9. Sloughing or bulging on slope Yes ~ <br />10. *Major erosion problems Yes ~ <br />11. Surface movements in valley bottom or on hillside Yes <br />12. *Erosion of toe Yes <br />13. *Water impounded against toe Yes <br />14. Existing embankment freeboard (feet) ~_ feet <br />15. Increase Decrease in water level (feet) d feet <br />16. Cracks, bulging, or erosion on upstream face Yes ~o <br />17. Visible sumps or sinkholes in slurry surface N/A Xi!%XXN01 <br />18. *Clogging <br /> Spillway channels and pipes Yes ~ <br /> Decant system _ __ N/A XN~XXNdI <br /> Diversion ditc es Yes (~ <br />19. *Cracking or crushing of pipes <br /> II.. <br />Spillway pipes W~~e~ ~e~KS a~~tik~ M• rpe. <br />Yes No <br /> Decant system ~ R7A XXNdi <br />20. Trash racks clear and in place N/A XdJi(XXgdl <br />*Mafor adverse changes in these items could cause instability an d should be reported to <br />the Engineering Manager and Mine Superintendent for further evac uation. 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 />