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
21
w/o Freeboard w /Freeboard
D50: 3.00 in
Dmax: 3.75 in
Velocity and Manning's n calculations may not apply for this method.
Structure #22 (Null)
Collection point Subwshd G in contour ditch
Structure #19 (Null)
Collection point Subwshd Q2
Structure #23 ( Riprap Channel)
Contour Ditch tojct E Pit Ditch
Trapezoidal Riprap Channel Inputs:
Material: R crap
Left Right
Freeboard Freeboard Freeboard
Bottom o
Sideslope Sideslope Slope (/o)
Mult. x
Width (ft) Ratio Ratio
Depth (ft) % of Depth (VxD)
12.00 2.01 2.01 5.0
1.00
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #2 (Vegetated Channel)
Hdwtrs N Trib Ditch
Trapezoidal Vegetated Channel Inputs:
Filename: ProspectR2 1024 Postmining2010.sc4
Exh. 7- 14R -33
Printed 10 -27 -2010
Revision Date: 10/29/10
Revision No.: TR -87
il
w/o Freeboard w/ Freeboard
Design Discharge:
11.31 cfs
Depth:
0.16 ft 1.16 ft
Top Width:
12.63 ft 16.63 ft
Velocity *:
X- Section Area:
1.93 sq ft
Hydraulic Radius:
0.152 ft
Froude Number *:
Manning's n *:
Dmin:
1.00 in
D50:
3.00 in
Dmax:
3.75 in
Velocity and Manning's n calculations may not apply for this method.
Structure #2 (Vegetated Channel)
Hdwtrs N Trib Ditch
Trapezoidal Vegetated Channel Inputs:
Filename: ProspectR2 1024 Postmining2010.sc4
Exh. 7- 14R -33
Printed 10 -27 -2010
Revision Date: 10/29/10
Revision No.: TR -87
il