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
35
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Left Right
Freeboard Freeboard Freeboard
212.41 cis
Depth.
Bottom Sideslope Sideslope Slope (%)
Width (ft)
Mult. x
Depth (ft) % of Depth
13.64 ft 14.84 ft
Velocity:
Ratio Ratio
(VxD)
20.12 sq ft
Hydraulic Radius:
1.373 It
5.00 2.0:1 2.0:1 7.9
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Structure #1 4 Rl ra Channel
RD3
Trapezoidal Rlprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
212.41 cis
Depth.
2.16 ft 2.46 ft
Top Width:
13.64 ft 14.84 ft
Velocity:
10.56 fps
X- Section Area:
20.12 sq ft
Hydraulic Radius:
1.373 It
Froude Number:
1.53
Manning's n:
0.0490
Dmin:
5.00 in
D50:
9.00 In
Dmax:
12.00 in
Structure #1 4 Rl ra Channel
RD3
Trapezoidal Rlprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Bottom Sideslope Sideslope Slope ( °k )
Mult, x
Depth (ft) % of Depth
Ratio Ratio
(VXD)
5.00 2.0:1 2.0:1 4.4
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Filename: 25- year_Dollom Ponds (Without Rlser).sc4 Printed 01 -20 -2009
Exh. 7- 23A -96 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
675.17 cis
Depth:
4.23 ft 4.53 ft
Top width:
21.92 It 23.12 ft
Velocity:
11.86 fps
X- Section Area:
56.95 sq ft
Hydraulic Radius:
2.381 it
Froude Number:
1.30
Manning's n:
0.0470
Dmin:
7.00 In
Filename: 25- year_Dollom Ponds (Without Rlser).sc4 Printed 01 -20 -2009
Exh. 7- 23A -96 Revision Date: 12/15/10
Revision No.: PR -03