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

9
SEDCAD 4 for Windows
/`-j. hl +non .9nn7 0-1. 1 enMuuh
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Muit. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
2.0:1 2.0:1 7.0
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
C]
Structure #33 (trap Channel)
D6
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard %v/ Freeboard
Design Discharge:
99.17 cfs
Depth:
2.34 ft 2.64 ft
Top Width:
9.37 ft 10.57 ft
Velocity:
9.04 fps
X- Sectlon Area:
10.97 sq ft
Hydraulic Radius:
1.048 ft
Froude Number:
1.47
Manning's n:
0.0450
Dmin:
5.00 In
D50:
9.00 In
Dmax:
12.00 In
Structure #33 (trap Channel)
D6
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Muit. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
2.0:1 2.0:1 17.1
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
M
Filename: 10- year_Coliom_Pond (With Rlser)xO4 Printed 01 -22 -2009
Exh. 7- 23A -29 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
5.12 cis
Depth:
0.64 ft 0.94 ft
Top Width:
2.54 ft 3.74 ft
Velocity:
6.34 fps
X- Section Area:
0.81 sq ft
Hydraulic Radius:
0.284 ft
Froude Number:
1.98
M
Filename: 10- year_Coliom_Pond (With Rlser)xO4 Printed 01 -22 -2009
Exh. 7- 23A -29 Revision Date: 12/15/10
Revision No.: PR -03