2011-03-25_PERMIT FILE - C1981019A ‎(8)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/25/2011
• Doc Name: East Pit Recl Sequencing & Ditch Designs for Prospect Ditch, N Tribut E Pit Ditch & Final E Pit Ditc
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14R
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Elevation
(ft)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
99.50
Ratio Ratio
3.625
3.625
100.00
Velocity *:
48.400
48.400
100.50
Hydraulic Radius:
99.605
99.605
101.00
Manning's n *:
167.398
167.398
101.50
D50:
249.224
249.224
102.00
344.812
344.812
102.50
454.107
454.107
103.00
577.178
577.178
103.50
714.166
714.166
104.00
865.254
865.254
104.50
1,030.657
1,030.657
105.00
1,210.609
1,210.609
Structure #8 (Rirap Channel)
T Trib Ditch Sta 10 to 0
Trapezoidal Riprap Channel Inputs:
Material: Riprag
Left Right
Bottom
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
Depth (ft) /o of Depth th Mult. x
p °
Ratio Ratio
(VxD)
12.00 2.01 2.01 21.3
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
KI
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -38 Revision Date: 10/29/10
Revision No.: TR -87
w/o Freeboard w/ Freeboard
Design Discharge:
2.69 cfs
Depth:
0.03 ft 1.03 ft
Top Width:
12.10 ft 16.10 ft
Velocity *:
X- Section Area:
0.31 sq ft
Hydraulic Radius:
0.026 ft
Froude Number *:
Manning's n *:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
KI
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -38 Revision Date: 10/29/10
Revision No.: TR -87