_PERMIT FILE - C1980007A

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Name: MISCELLANEOUS DRAINAGE
• Section_Exhibit Name: Exhibit 66 Miscellaneous Drainage
• Media Type: D
• Archive: Yes

MR-418 Calculations
Structure: D5E-2-#3
w/Freeboard
(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
Structure: 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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