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Y <br />PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Michael Altavi7la DATE: 1222/97 <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Tn is d Pond DATE LAST INSPECTION: 09/25/97 <br />SITE NAME: Truck Wash sett7ina Pond LOCATION: NWT NEh Sec. 34 T6N R87W <br />MINE NAME: S n a I7 Min (.$enaca -oal 01 LOCATION: 7.1 mi. SE of Havden,_rO <br />MINE I.D. NO.: rDMG Permit No. C-RD-DOS OWNER'S REP.: Brad Brown, Gen Mgr <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: ~ No N/A <br />2. Lift thickness: T/A inches <br />3. Compaction according to approved plan: Yea No `~/~ <br />4. Burning (specify extent and location): Yes No <br />5. Angle of slope: upstream, downstream Total = T/a <br />6. *Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: Yea No <br />At isolated points on embankment elopes: Yee No <br />At natural hillside: Yes No <br />Over widespread areas: Yes ® N/A <br />From downstream foundation area: Yea ® N/A <br />"Boils" beneath stream or ponded water: Yea O N/A <br />7. Cracks or scarps on crest: Yee No <br />8. Cracks or scarps on slope: Yes No <br />9. Sloughing or bulging on elope: Yes No <br />10. *Major erosion problems: Yea ~ N/A <br />11. Surface movements in valley bottom or on hillside: Yes No <br />12. *Eroeion of toe: Yee No <br />13. *Water impounded against toe: Yee No N/A <br />14. Existing embankment freeboard: see comments 5.0 feet <br />15. Increase Decrease in water level: No change feet <br />16. Cracks, bulging, or erosion on upstream face: Yee ~ N/A <br />17. Visible sumps or sinkholes in slurry surface: Yea No ®A <br />18. *Clogging <br />Spillway channels and pipes: Yes ~ N A <br />Decant system: Yee No <br />Diversion ditches: Yes No /A <br />19. *Cracking or crushing of pipes <br />Spillway pipes: Yes ~ N/A <br />Decant system: Yea No <br />20. Trash racks clear and in place: es 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 <br />on the back of this sheet. <br />