2016-09-22_PERMIT FILE - C1980007 ‎(3)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 9/22/2016
• Doc Name: MISCELLANEOUS DRAINAGE
• Section_Exhibit Name: Exhibit 66 Miscellaneous Drainage
• Media Type: D
• Archive: No

Structure: D5E-2 - #3
Structure:
MR -418 Calculations
Maximum Flow (cfs) 49.29
Design Discharge (cfs) 26.49
Combined Flow 29.24
(D5E-2 Design Flow + C5E-25 Design Flow)
Maximum Flow > Combined Flow? Yes
C5E-4 - 24" HDPE - Stand Alone #1
Manning's Coefficient (n) 0.012
Inside Diameter (in)
w/ Freeboard
Radius (in)
(ft.)
Manning's Coefficient (n)
0.017
Top Width (T)
5.79
Bottom Width (b)
0.00
Depth (h)
1.45
z (ft.)
2.00
Area (ft)
4.20
Wetted Perimeter (ft.)
6.48
Hydraulic Radius (ft.)
0.65
Slope (ft./ft.)
0.032
Maximum Flow (cfs) 49.29
Design Discharge (cfs) 26.49
Combined Flow 29.24
(D5E-2 Design Flow + C5E-25 Design Flow)
Maximum Flow > Combined Flow? Yes
C5E-4 - 24" HDPE - Stand Alone #1
Manning's Coefficient (n) 0.012
Inside Diameter (in)
19.5
Radius (in)
9.75
Area (ft)
2.07
Hydraulic Radius (ft.)
0.41
Slope (ft./ft.)
0.03
Maximum Flow (cfs) 24.45
Design Discharge (cfs) 21.35
Combined Flow 24.10
(C5E-4 Design Flow + C5E-25 Design Flow)
Maximum Flow > Combined Flow? Yes
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