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
r -1,,hr 7Qasl -7nn P-1. 1 Q,M—h 39
Structure #12 (Rlprao Channel)
RD5
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Manning's n:
0.0460
Dmin:
7.00 In
D50:
12.00 in
Dmax:
18.00 In
Structure #12 (Rlprao Channel)
RD5
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( %)
Depth (ft) % of Depth Mult, x
Ratio Ratio
(VxD)
5.00 2.0:1 2.0:1 8.2
0.30
0 Riprap Channel Results:
PADER Method -Steep Slope Design
Structure #11 �(Riarap Channel)
RDI
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Filename: 100 -year Collom_Ponds (With Rlser) =4 Printed 01 -22 -2009
Exh. 7 -23A -157 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
61.31 crs
Depth:
1.11 ft 1.41 ft
Top Width:
9.43 R 10.63 ft
Velocity:
7.68 fps
X- Section Area:
7.99 sq ft
Hydraulic Radius:
0.803 ft
Froude Number:
1.47
Manning's n:
0.0480
Dmin:
3.00 In
DSO:
6.00 In
Dmax:
9.00 In
Structure #11 �(Riarap Channel)
RDI
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Filename: 100 -year Collom_Ponds (With Rlser) =4 Printed 01 -22 -2009
Exh. 7 -23A -157 Revision Date: 12/15/10
Revision No.: PR -03