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2009-12-16_REVISION - M1980178
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2009-12-16_REVISION - M1980178
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Last modified
6/15/2021 5:55:52 PM
Creation date
1/5/2010 9:23:57 AM
Metadata
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Template:
DRMS Permit Index
Permit No
M1980178
IBM Index Class Name
REVISION
Doc Date
12/16/2009
Doc Name
Conversion application
From
Moores Mining, LLC
To
DRMS
Type & Sequence
CN1
Email Name
THM
Media Type
D
Archive
No
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NOTE: THIS IS A REPRODUCTION OF TABLE 3 IN HEC -15. <br />TYPICAL MANNING BASE "n" VALUES <br />F -6 <br />TABLE "F- I c" <br />DEC 1994 <br />n - value <br />Flow Depth Ranges <br />Lining Category <br />Lining Type <br />0 -0.5 ft <br />0.5 -2.0 ft <br />>2.0 ft <br />Rigid <br />Concrete <br />0.015 <br />0.013 <br />0.013 <br />Grouted Riprap <br />0.040 <br />0.030 <br />0.028 <br />Stone Masonry <br />0.042 <br />0.032 <br />0.030 <br />Soil Cement <br />0.025 <br />0.022 <br />0.020 <br />Asphalt <br />0.018 <br />0.016 <br />0.016 <br />Unlined <br />Bare Soil <br />0.023 <br />0.020 <br />0.020 <br />Rock Cut <br />0.045 <br />0.035 <br />0.025 <br />Temporary* <br />Woven Paper Net <br />0.016 <br />0.015 <br />0.015 <br />Jute Net <br />0.028 <br />0.022 <br />0.019 <br />Fiberglass Roving <br />0.028 <br />0.021 <br />0.019 <br />Straw with Net <br />0.065 <br />0.033 <br />0.025 <br />Curled Wood Mat <br />0.066 <br />0.035 <br />0.028 <br />Synthetic Mat <br />0.036 <br />0.025 <br />0.021 <br />Gravel Riprap <br />1 -inch DS0 <br />0.044 <br />0.033 <br />0.030 <br />2 -inch D <br />0.066 <br />0.041 <br />0.034 <br />Rock Riprap <br />6 -inch b50 <br />0.104 <br />0.069 <br />0.035 <br />12 -inch D50 <br />-- <br />0.078 <br />0.040 <br />TYPICAL MANNING BASE "n" VALUES <br />F -6 <br />TABLE "F- I c" <br />DEC 1994 <br />
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