2015-10-16_PERMIT FILE - C1981018 ‎(3)‎

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 10/16/2015
• Doc Name: SDH-3 Dewatering Pond System Hydrology and Sedimentology
• Section_Exhibit Name: Illustration 56
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
1q°A _911111 D -1a I
Elevation
(ft)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
5,433.00
0.000
0.000
5,434.00
0.000
0.000
5,435.00
0.000
0.000
5,436.00
0.000
0.000
5,437.00
0.000
0.000
5,438.00
6.544
6.544
5,439.00
32.412
32.412
Structure #2 (R/prap Channe/�
Channel from Middle to Lower Pond
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Width (ft)
Ratio Ratio
Depth(ft)% of Depth Mult. x
Depth:
(VxD)
1.50 2.0:1 2.0:1 18.0
1.88 ft
Riprap Channel Results:
Simons/OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #1 (Pond
Lower Pond
Pond Inputs:
Filename: SDH -3 Pond Expansion 2015.sc4
10
Printed 09-10-2015
w/o Freeboard w/ Freeboard
Design Discharge:
1.27 cfs
Depth:
0.09 ft
Top Width:
1.88 ft
Velocity*:
X -Section Area:
0.16 sq ft
Hydraulic Radius:
0.083 ft
Froude Number*:
Manning's n*:
Dmin:
D50:
3.00 in
9.00 in
Dmax:
11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #1 (Pond
Lower Pond
Pond Inputs:
Filename: SDH -3 Pond Expansion 2015.sc4
10
Printed 09-10-2015