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HYDRO29931
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HYDRO29931
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Entry Properties
Last modified
8/24/2016 8:48:47 PM
Creation date
11/20/2007 11:42:31 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1994082
IBM Index Class Name
Hydrology
Doc Date
10/20/2006
Doc Name
3rd Quarter 2006 Sedimentation Pond Inspections
From
Seneca Coal Company
To
DRMS
Permit Index Doc Type
Sediment Pond Inspections
Media Type
D
Archive
No
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<br />PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR' S NAME: Dennis Jones DATE: ~' S '~ V <br />NPDES I.D. NO.: CO-0000221 D.P. 011 ^ ' - / <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: <br />SITE NAME: Pond #011 LOCATION: NE'/, SW+/,, Sec. 16, TSN, R87W <br />MINE NAME: Yoast Mine (Seneca Coal Co) LOCATION: 8.5 mi. SE of Hayden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-94-082 OWNER'S REP.: Greg g Kitchen Gen Mar <br />C1ICle Or Wrlto 1n apDTODr].a to IeBDOIISe <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7. <br />8. <br />9. <br />10 <br />11 <br />12 <br />13 <br />14 <br />15 <br />16 <br />17 <br />18 <br />19 <br />20 <br />Foundation preparation (removal of vegetation, stumps, topsoil <br />Lift thickness: <br />Compaction according to approved plan: <br />Burning (specify extent and location): <br />Angle of slope: 3.0:1 upstream, 2.8:1 downstream <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />Cracks or scarps on crest: <br />Cracks or scarps on slope: <br />Sloughing or bulging on slope: <br />*Maj or erosion problems: <br />Surface movements in valley bottom or on hillside: <br />*Erosion of toe: <br />*Water impounded against toe: <br />Existing embankment #reeboard: (normal = 5.1~) <br />Increase / Decrease in water level.: <br />Cracks, bulging, or erosion on upstream face: <br />Visible sumps or sinkholes in slurry surface: <br />*Clogging <br />Spillway channels and pipes: <br />Decant system: <br />Diversion ditches: <br />*Cracking or crushing of pipes <br />Spillway pipes: <br />Decant system: <br />Trash racks clear and in place: <br />Yes <br />8 <br />Yes <br />No <br />Total <br />in. <br />5.8:1 <br />Yes N <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Yes No <br />Lb feet <br />T feet <br />Yes No <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 />Yes ~ N/A <br />_ NL?a <br />_ NL <br />Yes ® N/A <br />Y s No N/A <br />*Maj or adverse changes in these items could cause instability and should be reported to <br />the Engineering Manager and Mine Superintendent for further evaluation. Adverse <br />conditions noted in these items should normally be described (extent, location, volume, <br />etc.) in the space on the back of this sheet. <br />
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