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
!`nn,minhl l °°G OMn D-1 1 Qrh, —h
30
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 #37 (Null)
Null above Prospect Pond
Structure #38 (Pond)
Prospect Pond
Pond Inputs:
Initial Pool Elev:
w/o freeboard w/ Freeboard
Design Discharge:
28.03 cfs
Depth:
0.96 ft 1.96 ft
Top Width:
2.89 ft 5.89 ft
Velocity:
20.15 fps
X- Section Area:
1.39 sq ft
Hydraulic Radius:
0.400 ft
Froude Number:
5.12
Structure #37 (Null)
Null above Prospect Pond
Structure #38 (Pond)
Prospect Pond
Pond Inputs:
Initial Pool Elev:
6,744.00 ft
Initial Pool:
2.18 ac -ft
*Sediment Storage:
0.00 ac -ft
Dead Space:
0.00%
*No sediment capacity defined
Emeroencv SDillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,752.00 20.00 1.50:1 1.50:1 12.00
Perforated Riser
Riser
Diameter Riser Height
Barrel
Diameter Barrel Barrel Slope
Number of
Manning 's n Spillway Elev Holes per
(in) (ft)
(in) Length (ft) ( %)
(ft) Elev
12.00 8.70
12.00 129.00 9.70
0.0250 6,750.30 2
Pond Results:
Filename: ProspectR2 1024 Postmining2010.sc4 Printed 10 -27 -2010
Exh. 7- 14R -42 Revision Date: 10/29/10
Revision No.: TR -87