2010-12-17_REVISION - C1981019 ‎(128)‎

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 12/17/2010
• Doc Name: Exhibit 7 Item 23 Erosion and Sedimentation Part 2
• Type & Sequence: PR3
• Email Name: JRS
• Media Type: D
• Archive: No

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SEDCAD 4 for Windows
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Trapezoidal Riprap Channel Inputs:
Material: Riorap
Left Right
Freeboard Freeboard Freeboard
Wiidth°(ft) Sideslope Sideslope Slope ( °k)
Depth (ft) /° of Depth Mult. x
° P
Ratio Ratio
(VxD)
5.00 2.0:1 2.0:1 3.1
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #1 Pond)
LCX -DS
Pond Inputs:
Inittai Pool Elev: 6 ,642.00 ft
w/o Freeboard w/ Freeboard
Design Discharge:
72.51 ds
Depth:
1.41 ft 1.71 ft
Top Width:
10.62 ft 11.82 ft
Velocity:
6.60 fps
X- Section Area:
10.98 sq ft
Hydraulic Radius:
0.973 ft
Froude Number:
1.14
Manning's n:
0.0390
Dmin:
3.00 in
D50:
6.00 In
Dmax:
9.00 in
Structure #1 Pond)
LCX -DS
Pond Inputs:
Inittai Pool Elev: 6 ,642.00 ft
Initial Pool:
17. 13 ac -ft
*Sediment Storage:
1.57 ac-ft
Dead Space:
20.00%
*Sediment capacity was entered by user
Emergency S011way
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,642.00 35.00 2.00:1 2.00:1 30.00
•
Pond Results:
Filename: 25 -year Collom_Ponds (Without Rlser).so4
Printed 01 -20 -2009
Exh. 7 -23A -102 Revision Date: 12/15/10
Revision No.: PR -03