2023-01-12_PERMIT FILE - C1996083 ‎(3)‎

• Permit No: C1996083
• IBM Index Class Name: Permit File
• Doc Date: 1/12/2023
• Doc Name: Pages EXH 8-1 to EXH 8-97
• Section_Exhibit Name: Volume III Exhibit 08 Protection of The Hydrologic Balance
• Media Type: D
• Archive: No

V-Ditch Design
Ditch Grade Minimum Grade Maximum Grade RipRap Peak
Min Max Depth Velocity Depth Velocity D50 Inch Flow
Feet Ft/Sec Feet Ft/Sec cfs
Ditch 131 7.0% 12.0% 0.52 4.7 0.52 6.2 1.88
B2 Deleted from Design
B3 7.0% 11.0% 0.23 2.7 0.21 3.2 0.43
B4 10.0% 50.0%1 0.28 3.7 0.21 6.9 9 0.44
B5 Deleted from Design
B6 10.0% 50.0% 0.10 1.9 0.08 3.6 15 0.05
B7 50.0% 50.0% 0.51 12.5 0.51 12.5 18 4.81
B8 7.0% 11.0% 0.35 3.6 0.33 4.4 0.67
* B9 27% 27% 0.19 4.8 0.19 4.8 0.24
B10 7.0% 11.0% 0.44 4.2 0.39 4.9 1.17
*
1311 10% 27%j 0.35 4.3 0.29 6.3 9 0.74
B12 7.0% 11.0% 0.49 4.6 0.45 5.4 1.62
*11313 27% 27% 0.10 3.1 0.10 3.1 0.78
* B14 27% 27% 0.18 4.6 0.18 4.6 0.22
B15 7.0% 11.0% 0.67 5.6 0.61 6.6 12 3.56
B16 7.0% 11.0% 0.72 5.9 0.66 7.0 6 4.44
B17 7.0% 14.0% 0.39 3.9 0.34 5.0 0.86
B18 7.0% 17.0% 0.74 6.0 0.63 8.4 9 4.87
B19 50.0% 50.0% 0.57 13.5 0.57 13.5 21 6.46
B20 7.0% 11.0% 0.33 3.5 0.30 4.1 0.55
B21 2.0% 5.0% 1.10 4.2 0.93 5.9 7.69
B22 7.0% 11.0% 0.32 3.4 0.29 4.0 0.45
B23 7.0% 11.0% 0.99 7.3 0.91 8.6 9 10.71
B24 7% 11% 0.54 4.9 0.50 5.8 2.63
* B25 27% 27% 0.23 5.4 0.23 5.4 0.64
B26 5.0% 10.0% 0.28 2.6 0.251 3.5 0.45
B27 1.0%1 2.0%1 0.37 1.4 0.33 1.9 0.29
B28 Deleted from Design
B29 2.0% 2.0% 1.36 4.8 1.36 4.8 13.33
B30 50.0%1 50.0%1 0.43 11.1 0.43 11.1 15 3.05
B31 Deleted from Design
B32 50.0% 50.0% 0.28 8.4 0.28 8.4 12 0.95
B33 10.0% 10.0% 1.01 8.8 1.01 8.8 9 13.33
B34 10.0% 50.0% 1.25 10.2 0.95 18.9 12 22.43
* B35 27.0% 27.0% 0.10 3.1 0.10 3.1 0.82
* B36 27.0% 27.0% 0.16 4.2 0.16 4.2 0.16
* B37 27.0% 27.0% 0.23 5.4 0.23 5.4 0.42
B38 1 10.0%1 10.0%1 0.23 3.6 0.23 3.6 1 0.36
* Ditch along downhill conveyor
Ditch C1 2.5% 12.0% 0.571 3.01 0.42 5.4 1.42
** C2 5.0% 50.0% Trapezoidal Channel C-Gulch 1.46
C3 7.0% 12.0% 0.671 5.61 0.611 6.90 2.44
** C4 5.0% 50.0% Trapezoidal Channel C-Gulch 6.38
C5 15.0% 15.0% 0.351 5.3 0.351 5.3 0.77
** C6 5.0% 50.0% Trapezoidal Channel C-Gulch 18.44
C7 7.0% 11.0% 1.00 7.3 0.92 8.7 9 12.46
C7a I No Ditch C7a
*** C8 1 7.0%1 11.0% 1.50 9.6 1.40 11.5 33.95
C9 1 Deleted from design
Flow depth in feet does not include 0.3 feet freeboard.
C10 1 15.0%1 15.0%1 0.451 6.31 0.451 6.31 1 1.88
*** C111 7.0%1 11.0%1 1.551 9.81 1.451 11.81 121 37.54
TR-119 EXH. 8-29 08/19