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
!`n n...inF11— 9nin D-- 1 Cr4. —.
K11
Material: Concrete, Rubble
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
1.51 1.51 30.0 0.0220
1.00
Nonerodible Channel Results:
Structure #20 (Null)
Subwshds S Q1 and R collection point
Structure #21 (Riprap Channel)
Contour ditch south
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
w/o Freeboard w / Freeboard
Design Discharge:
12.81 cfs
Depth:
0.72 ft 1.72 ft
Top Width:
2.15 ft 5.15 ft
Velocity:
16.56 fps
X- Section Area:
0.77 sq ft
Hydraulic Radius:
0.298 ft
Froude Number:
4.87
Structure #20 (Null)
Subwshds S Q1 and R collection point
Structure #21 (Riprap Channel)
Contour ditch south
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
o
Width (ft) Sideslope Sideslope Slope (/a)
Depth (ft) %of Depth Mult. x
p p
Ratio Ratio
(VxD)
12.00 2.01 2.01 5.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -32 Revision Date: 10/29/10
Revision No.: TR -87
w/o Freeboard w/ Freeboard
Design Discharge:
10.52 cfs
Depth:
0.15 ft 1.15 ft
Top Width:
12.60 ft 16.60 ft
Velocity *:
X- Section Area:
1.84 sq ft
Hydraulic Radius:
0.145 ft
Froude Number *:
Manning's n *:
Dmin:
1.00 in
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -32 Revision Date: 10/29/10
Revision No.: TR -87