Laserfiche WebLink
PERIODIC INSPECTION FORM <br />WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS <br />Inspectors Name: �re „ f Date: Z 0 -/ 1l- 20) <br />NPDES ID. No.: COG- 850062 Date Last Inspected: H �Ioar(,� 103 <br />Facility Configuration: Partial Incised Pond <br />Site Name: NHN Impoundment #001A Location:SEC 25, 47N 16W <br />Mine Name: New Horizon North Mine Location:2.4 mi.NW of Nucla, <br />CO. Mine ID No.: CDMG Permit: C- 2010 -089 <br />Owners Rep.: Rick Wolney, Mine Manager <br />CIRCLE OR WRITE IN APPROPRIATE RESPONSE <br />1. Foundation Preparation (removal of vegetation, stumps., topsoil) Yes No <br />Lift thickness (inches) 10.7 <br />3. Compaction according to approved plan Yes No <br />4. Burning (specify e::tend and location) Yes <br />5. Angle Df slope. 3:1 upstream, 3:1 downstream <br />6. Seepage (specify location, color, and appro::. volume) <br />a.) From underdrain pipes: Yes No <br />b.) At isolated points on embankment slopes: Yes SN <br />c) At natural hillside: Yes <br />d) Over widespread areas Yes Pdo <br />e) From downsteam foundation area Yes Qo <br />f) "Boils" beneath stream or ponded water Yes 9 <br />7. Crac }a or scarps on crest Yes No <br />8. Crac }:s or scraps on slope Yes No <br />9. Sloughing or bulging on slope Yes N <br />10. Mayor erosion problems Yes No <br />11. Surface movements in valley bottom or on hillside Yes No <br />1_1 . Erosion of toe Yes N <br />13. Water impounded against toe Yes <br />14. Existing embankment freeboard (feet) `� �7q. 5 f. <br />15. Cracks, bulging, or erosion on upsteam face Yes <br />16 Visible sumps or sinkholes in slurry surface Yes to <br />17. Clogging <br />a) Spillway channels and pipes Yes <br />b) Decant system Yes N <br />c) Diversion Ditches Yes No <br />18. Cracking or crushing of pipes <br />a) Spillway pipes Yes LJ <br />b) Decant system Yes <br />19. Trash racks clear and in place <br />cu,-4 - lf),� <br />D: \DATA \WP \pond- ban }:s \DAMFORM.doc <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />Feet <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />N/A <br />U A <br />