2015-12-17_PERMIT FILE - C1981035A ‎(9)‎

• Permit No: C1981035A
• IBM Index Class Name: Permit File
• Doc Date: 12/17/2015
• Doc Name: Hydrology Sed Cad Model Basin to Sediment Pond KII
• Section_Exhibit Name: KII Appendix 11‎(1)‎ Sed Cad Model
• Media Type: D
• Archive: Yes

SECCAD 4 for Windows
19
Ditch 1E Flows into Culvert C-12
Trapezoidal Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Bottom
w/o Freeboard w/ Freeboard
Top Width:
3.42 ft 4.32 ft
Velocity;
4.82 fps
X -Section Area:
1.28 sq ft
Hydraulic Radius:
0.346 ft
Froude Number:
1.39
Ditch 1E Flows into Culvert C-12
Trapezoidal Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Left Right
Bottom
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (%) Manning's n
Width (ft)
Mult. x
Velocity
Ratio Ratio
Depth (ft) % of Depth (VxD)
(fps)
8.30 1.3:1 1.3:1 6.6 0.0300
0.30
5.5
Erodible Channel Results:
Structure #20 (OL/vert)
Culvert C-12 Flows into Ditch 4
Culvert Inputs:
Max. Tallwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
74.00 4.69 0.0150 3.00 0.00 0.90
Culvert Results:
Design Discharge = 9.35 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure -#21 ffirodible C 7annel
Filename: Basin A- Pond - Basin E.sc4
Printed 12-01-2015
w/o Freeboard w/ Freeboard
Design Discharge:
9,35 cis
Depth:
0.23 ft 0.53 ft
Top Width:
8.88 ft 9.63 ft
Velocity:
4,67 fps
X -Section Area:
2.00 sq ft
Hydraulic Radius:
0.221 ft
Froude Number:
1.73
Structure #20 (OL/vert)
Culvert C-12 Flows into Ditch 4
Culvert Inputs:
Max. Tallwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
74.00 4.69 0.0150 3.00 0.00 0.90
Culvert Results:
Design Discharge = 9.35 cfs
Minimum pipe diameter: 1 - 18 inch pipe(s) required
Structure -#21 ffirodible C 7annel
Filename: Basin A- Pond - Basin E.sc4
Printed 12-01-2015