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RERIODIC INSPECTION FORM <br />,~ Yater, $edi~ent, or Slurry Iapoundments <br />INSPECTOR'S NAME: Dennis Jones <br />N.P.D.E.S. I.D. NO.: rn-nnnn~~1 n P nna <br />FACILITY CONFIGURATION: Crnss-Valley Pond <br />SITE N0.ME: •_Snuth Cart inn 19 Pnnd Nnn4 <br />MINE NAME: Canary T1 Mine (Paabn y .oal .omganvl <br />MINE I.D. NO.: f.MIRn Parmit Nn. f.-nn5-Rn <br />DATE: May 27, 1988 <br />DATE LAST INSPECTION: March 22, 1988 <br />LOCATION: SW ;C ~, 1 T N. R87W <br />LOCATION: 7.1 mi. SE of Havden, CO <br />OWNER'S. REP.: Don Zulian. Suot. <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil?) <br />2. Lift thickness (inches) <br />3. Compaction according to approved plan <br />4. Burning (specify extent and location) N/A <br />5. Angle of s10pe 5.1 uoctraam 7c1 dnwnstream. total <br />6. *Seepage (specify location, color, and approximate volume) <br />From underdrain pipes (See comments) <br />At isolated points on embankment s opes <br />At natural hillside <br />Over widespread areas <br />From downstream founds ion area (See comments <br />"Boils" beneath stream or ponde water <br />7. Cracks or scarps on crest (See comments) <br />8. Cracks or scarps on slope (See comments) <br />9. Sloughing or bulging on slope <br />10. *Major erosion problems <br />11. Surface movements in valley bottom or on hillside <br />12. *Erosion of toe (Say rnmmantcl <br />13. *Water impounded against toe <br />14. Existing embankment freeboard (feet) <br />15. Increase Decrease in water level (feet) <br />16. Cracks, bulging, or erosion on upstream face <br />17. Visible sumps or sinkholes in slurry surface N/A <br />Ye No <br />_~ inches <br />Yes No <br />Yi(~(XX~,0( <br /> <br />e o <br />es N <br />Yes <br />(Y~s <br />Ylr ® . <br />s <br />Yes <br />Yes <br />Yes <br />Yes <br />Yes <br />®e No <br />Yes <br />5 feet <br />0 feet <br />Yes <br />)Y~XJNb <br />18. *Clogging - <br />Spillway channels and pipes Yes ~ - <br />Decant system Yes <br />Diversion dit es Yes <br />19. *Cracking or crushing of pipes , <br />Spillway pipes - Yes <br />Decant system .Yes <br />20. Trash racks clear and in place _ ~ - (Caa rnmmantcl ve No <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 />