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~~',r PERIODIC INSPECTION FORM <br />`' Mater, Sediment, or Slurry Iepoundments <br />INSPECTOR'S NAME: L' /P ~n ~.. 5 ..]O L~ P_ ~ DATE: ~ 3 - ~ ~ - fS6 <br />N.P.D.E.S. I.D. NO.: cn-nnnnPP~ n.P_ nn~ <br />FACILITY CONFIGURATION: Oikad Pnnd DATE LAST INSPECTION: j Z -/I' ~ s <br />SITE NAME: Nnrthwact Tmnniindmant k003 LOCATION: 5 LSW% Sec. 27. T6N, R87W <br />MINE NAME: SPnar_a iT Mina (Paabn Coal fomoanvl LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: _ f.Ml_RR Parmit Nn. f.-005-80 OWNER'S REP.: Doter Zulian, Sunt. <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoill) __ Yes No <br />2. Lift thickness (inches) _ ~Z inches <br />3. Compaction according to approved plan _ Yes No <br />- 4. Burning (specify extent and location) N!~ XRkXX1FR <br />5. Angle of slope {~de~re~) 9,1 a cn traam, 3~t dnwnstream. total _ = ~;,1.~e9pee~ <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes ~ XIEXXX~I <br />R <br /> At isolated points on embankment s opes ~ <br />Yes ~N <br /> At natural hillside _ Yes <br /> Over widespread areas <br />~ _ Yes <br /> From downstream foundation area <br />. ~;=!~! _ <br />.,;~~-~,i~•~~ ~_=' ~ Yes o <br /> "oils" beneath stream or ponde water ~ _ Yes N <br />7. Cracks or scarps.on crest Yes t~ <br /> <br />8. .. <br />Cracks or scarps on slope _ <br />., <br />_ <br />Yes No <br />9. Sloughing or bulging on slope Ft'.•i'•'=~:~'.'4 1 <br />r:;;~~:..:;.,41.?f{T:•ll,i_ Yes No <br />10. *Major erosion problems ~ _ Yes No <br />11. Surface movements in valley bottom or on hillside _ Yes No <br />12. *~rosion of toe _ Yes o <br />13. *Water impounded against toe _ Yes No <br />14. Existing embankment freeboard (feet), _ 5 feet <br />15. Increase Decrease in water level (feet) C7 feet <br />16. Cracks, bulging, or erosion on upstream face _ Yes <br />17, Visible sunps or sinkholes in slurry surface rL XN~XXN~f <br />18. *Clogging <br /> Spillway channels and pipes Yes Ro <br /> Decant system P~ KN~XY,a <br /> Diversion ditc es _ Yes CNoJ <br />19. *Cracking or crushing of pipes <br /> Spillway pipes Yes No <br /> Decant system A Xd3IXX0( <br />20, Trash racks clear and in place N/A X~S~XXNdf <br />*Major 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 />