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
Left Right
Freeboard freeboard Freeboard
Sideslope Sideslope Slope ( %)
Depth (ft) % of be Mult. x
p
Ratio Ratio
(VxD)
2.0:1 2.0:1 9.0
0.30
Riprap Channel Results:
•
•
SEDCAD 4 for Windows
fl— ,rb.hf 4OOR -9nn7 0-1. 1 QnbueA
w/o Freeboard w/ Freeboard
Manning's n:
0.0490
Dmin:
3.00 In
D50:
6.00 in
Dmax:
9.00 in
Structure #28 (Rlarap Channel)
D16
Triangular Riprap Channel Inputs:
PADER Method - Steep Slope Design
Structure #27 (Erodible Channel)
D9
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
i
2s
i
I
Filename; 10- year_Coilom_Pond (With Rlser).sc4
Exh. 7- 23A -32
Printed 01 -22 -2009
Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ freeboard
Design Discharge:
13.01 cis
Depth:
1.00 ft 1.30 ft
Top Width:
3.99 ft 5.19 ft
Velocity:
6.53 fps
X- Section Area:
1.99 sq ft
Hydraulic Radius:
0.446 ft
Froude Number:
1.63
Manning's n:
0.0400
Dmin:
3.00 in
D50:
6.00 In
Dmax:
9.00 In
Structure #27 (Erodible Channel)
D9
Triangular Erodible Channel Inputs:
Material: Cobbles and shingles
i
2s
i
I
Filename; 10- year_Coilom_Pond (With Rlser).sc4
Exh. 7- 23A -32
Printed 01 -22 -2009
Revision Date: 12/15/10
Revision No.: PR -03