2010-12-17_REVISION - C1981019 ‎(122)‎

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

•
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft) Ratio Ratio
Mult. x
Depth (ft) % of Depth
Depth:
(VxD)
12.00 2.0:1 2.0:1 6.0
0.30
PADER Method - Steep Slope Design
Material: RiDra�
Bottom Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
_
67.02 cis
Depth:
0.75 ft 1.05 ft
Top Width:
15.01 ft 16.21 ft
Velocity:
6.60 fps
X- Section Area:
10.16 sq ft
Hydraulic Radius:
0.661 It
Froude Number:
1.41
Manning's n:
0.0420
Dmin:
3.00 In
D50:
6.00 in
Dmax:
9.00 in
Material: RiDra�
Bottom Left Right
Freeboard Freeboard Freeboard
Sldeslope Sideslope Slope ( %)
Width (ft) Ratio Ratio
Depth (ft) °h of Depth Muit. x
Depth:
(VxD)
12.00 2.0:1 2.0:1 6.1
0.30
SEDCAD 4 for Windows
r...,,m s,# loon _onnT o—ia 1 Q,h,. -h
Riprap Channel Results:
Structure #29 (Riprap Chanel)
D.3
Trapezoidal Riprap Channel Inputs:
Riprap Channel Results:
I
27
PADER Method - Steep Slope Design
r
Filename: 10 -year Collom_Pond (With Riser).sc4
Printed 01 -22 -2009
Exh. 7- 23A -31 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
102.00 cis
Depth:
1.05 it 1.35 ft
Top Width:
16.18 ft 17.38 ft
Velocity:
6.92 fps
X- Sectton Area:
14.74 sq ft
Hydraulic Radius:
0.884 ft
Froude Number:
1.28
Filename: 10 -year Collom_Pond (With Riser).sc4
Printed 01 -22 -2009
Exh. 7- 23A -31 Revision Date: 12/15/10
Revision No.: PR -03