2015-11-02_REVISION - C1981035 ‎(2)‎

• Permit No: C1981035
• IBM Index Class Name: Revision
• Doc Date: 11/2/2015
• Doc Name: Adequacy Review Responses
• From: GCC Energy
• To: DRMS
• Type & Sequence: TR25
• Email Name: RAR
• Email Name: DIH
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
19
Structure #20 (Culvert)
Culvert C-12 Flows into Ditch 4
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(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 (Erodible Channel)
Ditch 4 (Includes Easin H) flows into Culvert 6
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
Bottom Let Right
Freeboard Freeboard Freeboard
Limiting
Sideslope Sideslope Slope (% ) Manning's n
Width (ft)
Mult, x
Velocity
Ratio Ratio
D epth (ft) % of Depth (VxD)
(fps)
4.00 1.8:1 1.8:1 5.3 0.0350
0.30
5.5
Erodible Channel Results:
Structure #22 (Cul vert)
Culvert 6 Flows into Pond 1
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
99.00 2.16 0.0150 4.00 0.00 0.90
Culvert Results:
Filename: Basin A- Pond - Basin E.sc4
Printed 10-21-2015
w/o Freeboard w/ Freeboard
Design Discharge:
10.90 cfs
Depth;
0.45 ft 0.75 ft
Top Width:
5.58 ft 6.63 ft
Velocity:
5.04 fps
X -Section Area:
2.16 sq ft
Hydraulic Radius:
0.372 ft
Froude Number:
1.43
Structure #22 (Cul vert)
Culvert 6 Flows into Pond 1
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater ft Loss Coef.
(ft) () (Ke)
99.00 2.16 0.0150 4.00 0.00 0.90
Culvert Results:
Filename: Basin A- Pond - Basin E.sc4
Printed 10-21-2015