2001-12-11_PERMIT FILE - C1996084 ‎(2)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15-25 MINE AREA P7 SEDIMENT CONTROL POND 7-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copynght 7998 Pamela J. Schwab
Civil Software Design
•
w/o Freeboard w/ Freeboard
X-Section Area: 6.94 sq ft
Hydraulic Radius: 0.727
Froude Number: 1.00
Structure #2 (RioraD Channe%~
D7-3a
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left
Bottom Right Freeboard Freeboard Freeboard
Sideslope
Width (ft)} Sideslope Slope (%)
Dep[h (ft) %of Depth Mult. x
Ratio Ratio (VxD)
3.00 2.0:1 2.0:1 3.0 0.30
Riprap Channel Results:
PADER Method -Steep Slope Design
•
w/o Freeboard w/ Freeboard
Design Discharge: 49.26 cfs
Depth: 1.35 ft 1.65 ft
Top Width: 8.38 ft 9.58 k
Veloaty: 6.43 fps
X-Section Area: 7.66 sq ft
Hydraulic Radius: 0.849
Froude Number: 1.19
Manning's n: 0.0360
Dmin: 2.00 in
DSO: 3.00 in
Dmax: 4.50 in
Structure #4 Riprap Channel
D7-3c
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Filename: pond?-3.sc4 Printed 04-24-2001