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HYDRO25481
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HYDRO25481
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Last modified
8/24/2016 8:45:13 PM
Creation date
11/20/2007 5:36:46 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981071
IBM Index Class Name
Hydrology
Doc Date
1/23/1989
Doc Name
CHANNEL REPAIR FIELD NOTES
From
CYPRUS YAMPA VALLEY COAL CORP
To
MLRD
Permit Index Doc Type
PROF POND CERTIFICATIONS
Media Type
D
Archive
No
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o Bedding and riprap placement have been completed for full <br />length of Drainage 31-1. Placement looks good with adequate <br />thickness and good gradation. CYCC has achieved better <br />channel definition, although flow line still appears to be <br />elevated due to riprap size. Bower Bros. will work on <br />Drainage 31-2 to achieve better channel definition. Talked <br />with Bud Bower .about using excessive rock to buttress opposite <br />bank of 31-1 at confluence with side channel. <br />CORRECTIVE MEASURES NOTED <br />o Use excess rock to control flow velocities below Drainage 51. <br />o Carry bedding at full thickness to top of flow channel for <br />Drainage 51W. <br />o Improve channel definition for Drainage 31-2 and use excess <br />rock to buttress opposite bank at channel confluence. <br />
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