2020-03-31_PERMIT FILE - C1981019A ‎(11)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/31/2020
• Doc Name: Section 16 Fill Ditch
• Type & Sequence: TR136
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14D
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure Detail:
Structure #3(Riprap Channel)
Sec 16 Fill Ditch Sta 1+85 to 8+60
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Sideslope Sideslope Slope(%) Mult.x
Ratio Ratio Depth(ft) %of Depth (VxD)
3.0:1 3.0:1 17.8
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/Freeboard
Design Discharge: 1.77 cfs
Depth: 0.12 ft
Top Width: 0.74 ft
Velocity*:
X-Section Area: 0.05 sq ft
Hydraulic Radius: 0.058 ft
Froude Number*:
Mannings n*:
Dmin: 4.00 in
D50: 12.00 in
Dmax: 15.00 in
Velocity and Manning's n calculations may not apply for this method.
Structure #2(Culvert)
Culvert
Culvert Inputs:
Max. Tailwater Entrance
Length(ft) Slope(%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
100.00 17.80 0.0150 1.00 0.00 0.90
Culvert Results:
Design Discharge — 1.77 cfs
Filename:Sec 16 Fill Ditch 1024.sc4 Printed 01-22-2020