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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10
w/o Freeboard w/ Freeboard
Manning's n*:
Dmin: 9.00 in
D50: 27.00 in
Dmax: 33.75 in
Velocity and Manning's n calculations may not apply for this method.
Structure #Il (Riprap Channe/)
W5-11-Out/et
Trapezoidal Riprap Channel Inputs:
Material: Riprap
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 2.0
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 485.12 cfs
Depth: 1.78 ft
Top Width: 30.66 ft
Velocity*:
X-Section Area: 45.02 sq ft
Hydraulic Radius: 1.441 ft
Froude Number*:
Manning's n*:
Dmin: 7.00 in
D50: 21.00 in
Dmax: 26.25 in
Velocity and Manning's n calculations may not apply for this method.
Filename: PikeviewReclamation 100-24-Structures 10dec2019.sc4 Printed 12-10-2019