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
7
w/o Freeboard w/ Freeboard
Depth: 0.34 ft
Top Width: 12.03 ft
Velocity*:
X-Section Area: 3.74 sq ft
Hydraulic Radius: 0.308 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 #9(Riprae Channel1
W59-Lower South Ditch
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right Freeboard
Bottom Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope(%) 'Depth Mult. x
Ratio Ratio (ft) %of Depth (VxD)
10.00 3.0:1 3.0:1 20.0
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
w/o Freeboard w/Freeboard
Design Discharge: 154.20 cfs
Depth: 0.69 ft
Top Width: 14.15 ft
Velocity*:
X-Section Area: 8.36 sq ft
Hydraulic Radius: 0.582 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.
Structure #4 (Null)
Filename: PikeviewReclamation 100-24-Structures 10dec2019.sc4 Printed 12-10-2019