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PERIODIC INSPECTION FORM <br />water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: ~~~~-~~ <br />NPDES I.D . NO.: N A ~d _r3~ p/ <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECT ION: ( 5° <br />SITE NAME : Pond #016A LOCATION: NEB/. SE'/., Sec. 27, T5N, R88W <br />MINE NAME : Seneca II-W Mine (Seneca Coal Co) LOCATION: 8 mi. S of Hayden, CO <br />MINE I.D. NO. :. CMLRD Permit No. C-82-057 OWNER'S REP.: Gre go Kitchen, Gen Mar <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: in. <br />3. Compaction according to approved plan: <br />4. Burning (specify extent and location): No <br />5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6_1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: <br /> At isolated points on embankment slopes: Yes No N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes N/A <br /> From downstream foundation area: es No N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />7. Cracks or scarps on crest: Yes o N/A <br />8. Cracks or scarps on slope: Yes o N/A <br />9. Sloughing or bulging on slope: Yes o N/A <br />10. *Maj or 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: Yes No N/A <br />13. *Water impounded against toe: Y <br />es No N/A <br />14. Existing embankment freeboard: (normal = 4.5') ff <br />~l•S feet <br />15. Increase Decrease in water level: M.~ c~.~~„_~,L feet <br />16. <br />g g, or erosion on upstream face: <br />Cracks, bul in ~ <br />Yes <br />IPo <br />N/A <br />17. Visible sumps or sinkholes in slurry surface: N A <br />1S. *Clogging <br /> Spillway channels and pipes: Yes ~N61 N/A <br /> Decant system: N A ~// <br /> Diversion ditches: NLA <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes ~ N/A <br /> Decant system: NLA <br />20. Trash racks clear and in place: Yes No N/A <br />*Maj or 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 />