2010-11-19_PERMIT FILE - C1980007 ‎(5)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 10 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 Pond MB-5E
• Media Type: D
• Archive: No

•
SEDCAD 4 for Windows
Structure Detail;
Structure #11 (Null)
Structure #69 (Erodible Channel)
D5E -39
Triangular Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope ( %) Manning's n
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
1.0:1 2.0:1 12.5 0.0300
0.30
5.5
Erodible Channel Results:
Structure #58 (Legetated Channel)
D5E -42
Triangular Vegetated Channel Inputs:
Material: Grass mixture
Left Right
9 Retardance
w/o Freeboard w/ Freeboard
Design Discharge:
0.03 cfs
Depth:
0.08 ft 0.38 ft
Top Width:
0.25 ft 1.15 ft
Velocity:
1.88 fps
X- Section Area:
0.01 sq ft
Hydraulic Radius:
0.035 ft
Froude Number:
1.61
Structure #58 (Legetated Channel)
D5E -42
Triangular Vegetated Channel Inputs:
Material: Grass mixture
Left Right
9 Retardance
Freeboard
Freeboard Freeboard
Limitin g
Sideslope Sideslope Slope ( %)
Ratio Classes
Mult. x
Depth (ft) % of Depth
Velocity
(fps)
Ratio
(VxD)
0.32 cfs
2.0:1 2.0:1 22.2 D, B
0.30
5.0
Vegetated Channel Results:
•
Filename: MB -5E Sediment run.sc4
54
Printed 10 -01 -2010
Stability
Class D w/o
Freeboard
Stability
Class D w/
Freeboard
Capacity
Class B w/o
Freeboard
Capacity
Class B w/
Freeboard
Design Discharge:
0.32 cfs
0.32 cfs
Depth:
0.28 ft
0.58 ft
0.51 ft
0.81 ft
Top Width:
1.13 ft
2.33 ft
2.04 ft
3.24 ft
Velocity:
1.99 fps
0.61 fps
Filename: MB -5E Sediment run.sc4
54
Printed 10 -01 -2010