Laserfiche WebLink
~ :, <br />1 'r <br />PERIODIC INSPECTION FORM <br />Goat®r, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: 6- o a <br />NPDES I.D. NO.: CO-0000221 D.P. 002 ~_~ _ 6 ' <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: <br />SITE NAME: Wadae Impoundment #002 LOCATION: NWT NEB, Sec. 34. T6N. R87W <br />MINE NAME: Seneca ZI Mine (Seneca Coal Col LOCATION: 7.1 mi. SE of Hayden CO <br />MINE I.D. NO.: CMLRD Permit No. C-80-005 OWNER'S REP.: Greaa Kitchen. Gen Mar <br />Circle or write in anorooriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: N[A <br />2. Lift thickness: N1 A <br />3. Compaction according to approved plan: N/A~ <br />4. Burning (specify extent and location): N/A <br />5. Angle of slope: upstream, downstream Total = <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: NL <br /> At isolated points on embankment slopes: NLA <br /> At natural hillside: N/A <br /> Over widespread areas: N/A <br /> From downstream foundation area: NL <br /> "Boils" beneath stream or ponded water: Yes No N/A <br />7. Cracks or scarps on crest: N/A <br />8. Cracks or scarps on slope: NL <br />9. Sloughing or bulging on slope: NL?i <br />10. *Major erosion problems: Yes No N/A <br />11. Surface movements in valley bottom or on hillside: Yes No N/A <br />12. *Erosion of toe: I A <br />13. *Water impounded against toe: ~L <br />14. Exis ing embankment freeboard: N/A feet <br />15. ~ Increase Decrease in water level : Yr.C'-E~e.weskSL O. ~ feet <br />16. Cracks, bulging, or erosion on upstream face: NL <br />17. Visible sumps or sinkholes in slurry surface: ~1L <br />18. *Clogging <br /> Spillway channels and pipes: Yes ~o N/A <br /> Decant system: NL <br /> Diversion ditches: Yes No N/A <br />19. *Crac king or crushing of pipes <br /> Spillway pipes: ~L <br /> Decant system: <br />20. Trash racks clear and in place: ~7 LA <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 in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet. <br />