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

0
Culvert Inputs:
Max. Entrance
Tailwater
Length (ft) Slope C/o) Manning's n Headwater Loss Coef.
(ft) (ft ) (Ke)
190.00 5.00 0.0240 5.00 0.00 0.90
Culvert Results:
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
X- Sectlon Area:
13.07 sq ft
Hydraulic Radius:
1.143 It
Froude Number:
1.09
Manning's n:
0.0410
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9,00 In
Culvert Inputs:
Max. Entrance
Tailwater
Length (ft) Slope C/o) Manning's n Headwater Loss Coef.
(ft) (ft ) (Ke)
190.00 5.00 0.0240 5.00 0.00 0.90
Culvert Results:
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope (%)
Depth (ft) % of Depth (uit,;
Ratio Ratio
VxD
2.0:1 2.0:1 0.3
0.30
Riprap Channel Results:
SEDCAD 4 for Windows
r`rnvrinhl 1QQR.NU17 P-1. I Crh+wh
Structure #38 (Culvert)
0
Design Discharge = 88.15 cfs
Minimum pipe diameter: 1 - 48 inch pipe(s) required
Structure #37 6R1pray Channell
D8
25
PADER Method - Mild Slope Design
Filename: 100 -year Coliom_Ponds (With Rlser).sc4
Printed 01 -22 -2009
Exh. 7 -23A -143 Revision Date: 12/15/10
Revision No.: PR -03
W/o Freeboard w/ Freeboard
Design Discharge:
88.15 cfs
Depth:
3.39 ft 3.69 ft
Top Width:
13.55 ft 14.75 ft
Velocity:
3.84 fps
X- Section Area:
22.93 sq ft
Hydraulic Radius:
1.514 ft
Froude Number:
0.52
Filename: 100 -year Coliom_Ponds (With Rlser).sc4
Printed 01 -22 -2009
Exh. 7 -23A -143 Revision Date: 12/15/10
Revision No.: PR -03