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HYDRO31583
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HYDRO31583
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Entry Properties
Last modified
8/24/2016 8:55:13 PM
Creation date
11/21/2007 2:02:45 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1996084
IBM Index Class Name
Hydrology
Doc Date
4/30/2003
Doc Name
1st Quarter 2003 Sediment Pond
From
Peak Project Management LLC
To
DMG
Permit Index Doc Type
Sediment Pond Inspections
Media Type
D
Archive
No
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~ S <br />ANNUAL SEDIMENTATION POND INSPECTION REPORT <br />CDMR Rule 4.05.9(15) <br />Mine; Lorencito <br />NPDES ID. No.: Pond #6 <br />Inspection Period: First Quarter 2003 <br />Inspection Date: 3/31/03 <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 partially incised into bedrock and the embankment keyed into bedrock. <br />Side slopes are less than 2H:1V. The primary discharges south into Jeff Canyon drainage. <br />EMBANKMENT <br /> <br />1). Adequacy of the vegetative cover: Excellent Moder at Few Poor <br /> <br />2). Erosion forming Gullies: Extensive Some Few None <br />3). Is wave action causing erosion: <br /> On the Upstream embankment? Yes No L- <br /> At the principal spillway inlet? Yes No ~.., <br />4). Erosion of the downstream toe of the embankment? Yes No V <br /> Cause of erosion can be attributed to: <br />5). Is seepage occurring through the dam? Yes No c/' <br /> Could this seepage cause potential instability? <br /> <br />PRINCIPAL SPILLWAY <br />1). Is the principal spillway system in working order? <br />2). Is the inlet free of debris and restrictive material? <br />3). Is the discharge outlet free of restrictive material? <br />4). Is erosion occurring at the discharge outlet? <br />Evaluate the severity: Extensive Moderate <br />Yes c-- No <br />Yes // No <br />Yes C/ No <br />Yes No r/ <br />Just starting None <br />Page 6 <br />
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