2019-12-11_REVISION - M1977211

• Permit No: M1977211
• IBM Index Class Name: REVISION
• Doc Date: 12/11/2019
• Doc Name: Adequacy Review Response
• From: Castle Aggregate
• To: DRMS
• Email Name: TC1
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Left Right Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope(%) Mult. x
Width (ft) Ratio Ratio Depth (ft) %of Depth (VxD)
20.00 3.0:1 3.0:1 28.0 1.00
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/Freeboard
Design Discharge: 272.38 cfs
Depth: 0.56 ft 1.56 ft
Top Width: 23.38 ft 29.38 ft
Velocity*:
X-Section Area: 12.22 sq ft
Hydraulic Radius: 0.519 ft
Froude Number*:
Manning's n*:
Dmin: 8.00 in
D50: 24.00 in
Dmax: 30.00 in
Velocity and Manning's n calculations may not apply for this method.
Structure #10 (R/prap Channe/�
W510-Lower Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard Freeboard Freeboard
Bottom a Sideslope Slope Width (ft) Sideslope
Ratio ( ) Depth (ft) %of Depth Mult. x
(VxD)
20.00 3.0:1 3.0:1 25.0
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 442.65 cfs
Depth: 0.91 ft
Top Width: 25.48 ft
Velocity*:
X-Section Area: 20.76 sq ft
Hydraulic Radius: 0.806 ft
Froude Number*:
Filename: PikeviewReclamation 100-24-Structures 10dec2019.sc4 Printed 12-10-2019