2016-05-03_PERMIT FILE - C1981008 ‎(10)‎

• Permit No: C1981008
• IBM Index Class Name: Permit File
• Doc Date: 5/3/2016
• Doc Name: Pond 012 Postmining SEDCD Modeling
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-31
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
lower main channel
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width ftSideslope Sideslope Slope (%)
() Ratio Ratio
o Mult. x
Depth (ft) /o of Depth
Depth:
(VxD)
1.00 1.5:1 1.5:1 21.7
0.68
Riprap Channel Results:
Simons/OSM Method - Mild Slope Design
Structure #5 (Null
7
Filename: NH2 TR70 west channel.sc4 Printed 12-17-2015
Attachment 2.05.3(3)-31 Revision Date: 1/08/2016
PaLye 31 Revision No.: TR -70
w/o Freeboard w/ Freeboard
Design Discharge:
0.05 cfs
Depth:
0.06 ft 0.74 ft
Top Width:
1.19 ft 3.23 ft
Velocity:
0.75 fps
X -Section Area:
0.07 sq ft
Hydraulic Radius:
0.056 ft
Froude Number:
0.55
Manning's n:
0.0352
Dmin:
2.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #5 (Null
7
Filename: NH2 TR70 west channel.sc4 Printed 12-17-2015
Attachment 2.05.3(3)-31 Revision Date: 1/08/2016
PaLye 31 Revision No.: TR -70