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

0
SEDCAD 4 for Windows
22
Left Right
Bohm
Freeboard freeboard Freeboard
Sldeslope Sldeslope Slope ( %)
Ratio Ratio
Depth (ft) % of Depth Mult. x
p (
Depth:
(VxD)
12.00 2.0:1 2.0:1 4.9
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Structure #39 ORiprap Channel)
D7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
81.42 cis
Depth:
0.91 ft 1.21 ft
Top Width:
15.63 ft 16.83 ft
Velocity:
6.50 fps
X- Section Area:
12.53 sq ft
Hydraulic Radius:
0.780 ft
Froude Number:
1.28
Manning's n:
0.0430
Dmin:
3.00 In
D50:
6.001n
Dmax:
9.00 in
Structure #39 ORiprap Channel)
D7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sldeslope Sideslope Slope ( %)
Mult. x
Ratio Ratio
Depth (ft) % of Depth (VxD)
2.0:1 2.0:1 3.1
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Filename: 10 -year Collom_Pond (WIth Riser).srA
Printed 01 -22 -2009
Exh. 7- 23A -26 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
53.46 cis
Depth:
2.01 ft 2.31 ft
Top Width:
8.05 ft 9.25 ft
Velocity:
6.61 fps
X- Section Area:
8.09 sq ft
Hydraulic Radius:
0.900 ft
Froude Number:
1.16
Manning's n;
0.0370
Dmin:
3.00 In
Filename: 10 -year Collom_Pond (WIth Riser).srA
Printed 01 -22 -2009
Exh. 7- 23A -26 Revision Date: 12/15/10
Revision No.: PR -03