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

SEDCAD 4 for Windows
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22
Structure #4 66ZI rap Channel)
NO
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope (a/o)
Depth {ft) /a of Depth Mult. x
Ratio Ratio
(VxD)
5.00 2.0:1 2.0:1 4.5
0.03
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Structure #3 (Riprap Channell
NU
Trapezoidal Riprap Channel Inputs:
Material: Rlprap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
306.41 ds
Depth:
2.88 ft 2.91 ft
Top Width:
16.51 ft 16.63 ft
Velocity:
9.91 fps
X- Section Area:
30.93 sq ft
Hydraulic Radius:
1.731 ft
Froude Number:
1.28
Manning's n:
0.0460
Dmin:
5.00 In
D50:
9.00 In
Dmax:
12.00 in
Structure #3 (Riprap Channell
NU
Trapezoidal Riprap Channel Inputs:
Material: Rlprap
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
5.00 2.0:1 2.0:1 3.7
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 397.39 ds
Filename: 100 -year Collom_Ponds (With Rtser).sc4 Printed 01 -22 -2009
Exh. 7 -23A -140 Revision Date: 12/15/10
Revision No.: PR -03