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2015-04-02_PERMIT FILE - C1996083
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2015-04-02_PERMIT FILE - C1996083
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Last modified
8/24/2016 5:58:58 PM
Creation date
4/7/2015 8:14:23 AM
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Template:
DRMS Permit Index
Permit No
C1996083A
IBM Index Class Name
Permit File
Doc Date
4/2/2015
Doc Name
Appendix B - Protection of Hydrologic Balance
Section_Exhibit Name
Volume XI Coal Mine Waste Disposal Area No. 3
Media Type
D
Archive
Yes
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SEDCAD 4.0 <br />Culvert, -9 <br />Culvert Inputs: <br />Max. Entrance <br />Length (ft) slope ( °k) Manning's n Headwater Tailwater (ft) Loss Coef. <br />(ft) (Ke) <br />20.00 0.50 0.0240 2.25 0.00 0.90 <br />Culvert Results: <br />Minimum pipe diameter: 1 - 24 inch pipe(s) required <br />Detailed Performance Curves <br />Design Discharge = 11.25 cfs <br />Maximum Headwater = 2.25 ft <br />(BOLD indicates design pipe size) <br />1 <br />Design Notes: <br />"Culvert 3 -9" consists of two 24" culverts. <br />Design provided shows one 24" culvert with 2.25' of head can <br />convey more than half of the flow. <br />Therefore, two 24" culverts can safely convey 100% of the flow. <br />SEDCAD Utility Run _ Printed 01 -29 -2014 <br />TR -91 Volume Xl, App. B -62 09/14 <br />Discharge <br />Discharge <br />Discharge <br />Headwater <br />(cfs) <br />(S) <br />(ds) <br />(ft) <br />( 21 In) <br />( 24 in) <br />( 30 in) <br />0.22 <br />0.76 <br />0.84 <br />0.97 <br />0.45 <br />1.66 <br />1.95 <br />2.45 <br />0.67 <br />2.53 <br />3.07 <br />4.10 <br />0.90 <br />3.30 <br />4.09 <br />5.70 <br />1.13 <br />3.99 <br />S.02 <br />7.18 <br />1.35 <br />4.91 <br />5.87 <br />8.55 <br />1.58 <br />6.36 <br />7.11 <br />9.82 <br />1.80 <br />7.88 <br />8.91 <br />11.01 <br />2.03 <br />9.40 <br />10.50 <br />11.79 <br />10.79 <br />12.67 <br />14.22 <br />13.00 <br />15.58 <br />18.22 <br />2.25 <br />2.47 <br />2.70 <br />12.95 <br />15.95 <br />20.90 <br />2.92 <br />14.02 <br />17.50 <br />23.57 <br />3.15 <br />15.01 <br />18.93 <br />26.26 <br />3.37 <br />15.94 <br />20.26 <br />28.76 <br />1 <br />Design Notes: <br />"Culvert 3 -9" consists of two 24" culverts. <br />Design provided shows one 24" culvert with 2.25' of head can <br />convey more than half of the flow. <br />Therefore, two 24" culverts can safely convey 100% of the flow. <br />SEDCAD Utility Run _ Printed 01 -29 -2014 <br />TR -91 Volume Xl, App. B -62 09/14 <br />
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