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

SEDCAD 4 for Windows
f`nnv.inh/ 1004 .7M7 0-1. 1 Q�K—h
Riprap Channel Results:
PADER Method - Steep Slope Design
•
Left Right
Freeboard Freeboard Freeboard
114.41 cis
Depth:
Bottom Sideslope Sideslope Slope ( %)
Mutt. x
16.71 ft 17.91 ft
Velocity:
Width (ft) Ratio Ratio
Depth (ft) % of Depth (VxD)
16.89 sq ft
Hydraulic Radius:
0.979 ft
12.00 2.0:1 2.0:1 4.9
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
•
± Structure X39 (R"m Channel)
D7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
114.41 cis
Depth:
1.18 ft 1.48 ft
Top Width:
16.71 ft 17.91 ft
Velocity:
6.77 fps
X- Sectlon Area:
16.89 sq ft
Hydraulic Radius:
0.979 ft
Froude Number:
1.19
Manning's n:
0.0480
Dmin:
3.00 in
D50:
6.00 In
Dmax:
9.00 In
± Structure X39 (R"m Channel)
D7
Triangular Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Mutt, x
Depth (ft) % of Depth
Ratio Ratio
(VXD)
2.0:1 2.0:1 3.1
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
0
22
Filename: 26 -year Gollorn_Ponds (Without Riser).sc4
Exh. 7- 23A -83
Printed 01 -20 -2009
Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
74.54 cfs
Depth:
2.37 ft 2.67 ft
Top Width:
9.47 ft 10.67 ft
Velocity:
6.65 fps
X- Section Area:
11.21 sq ft
Hydraulic Radius:
1.059 ft
Froude Number:
1.08
Manning's n:
0.0410
Dmin:
3.OD In
22
Filename: 26 -year Gollorn_Ponds (Without Riser).sc4
Exh. 7- 23A -83
Printed 01 -20 -2009
Revision Date: 12/15/10
Revision No.: PR -03