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HYDRO23004
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HYDRO23004
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Entry Properties
Last modified
8/24/2016 8:43:42 PM
Creation date
11/20/2007 3:26:57 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996084
IBM Index Class Name
Hydrology
Doc Date
7/10/2007
Doc Name
1st Quarter 2007 Pond Inspection Reports
From
Peak Project Management, LLC
To
DRMS
Permit Index Doc Type
Sediment Pond Inspections
Media Type
D
Archive
No
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ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine: Lorencto <br />NPDES ID. No.: Pond fl& <br />Inspection Period: First Quarter 2007 <br />Inspection Date: 3l30f2007 <br />General Description or Reference to Site Plan: <br />This pond is located South of the area of mining during for 2002. The pond <br />is paAialy incised into bedrock and the embankment keyed into bedrock. <br />Side sbpes are less than 2H:1 V. The primary disdlarges south into Jeff Canyon drainage. <br />EMBANKMENT <br />1). Adequacy of the vegetative cover. <br />2). Erosion forming Gullies: <br />3), Is wave scion qusing erosion: <br />On the Upstream embankment? <br />At the prinapal sptltway inlet? <br />Excellent Ayfoderafg Few Poor <br />Extensive Some ~ None <br />Yes <br />Yes <br />4). Er~ion of the downstream toe of the embankment? Yes <br />Cain of erosion can fxx attributed bD: <br />5). Is seepage occurring Through the dam? Yes <br />Could this seepage cause potential instabilityn <br />No v <br />No G <br />No ~/ <br />No <br />PRINCIPAL SPILLWAY <br />1). Is the prindpal spillway system in working order? <br />2}. Is the inlet free of debris and restrictive material? <br />3):.I§-the dischrge otrtiet free of restrictive material? <br />4}~,,1_s'erosiori'ocGBiing at the discharge outieY? <br />= =evaluate tile.~v~Erity. Extensive Moderate <br />.... Page 1 <br />Yes (.~ No <br />Yes ~ No <br />Yes Ci' No <br />Yes No <br />Just starting None <br />v~ <br />
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