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
r.,ry,A. kF tans _7nin P—i. 1 Crh,.—k
18
Minimum pipe diameter: I - 15 inch pipe(s) required
Structure #13 (Erodible Channel,
Ditch 1D flows to Ditch 1E
Trapezoidal Erodible Channel Inputs:
Material: Shales and hardpans
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Manning's n°
Mult. x
Velocity
Ratio Ratio
/o
Depth (ft) of Depth (VxD)
(fps)
2.00 1.5:1 1.5:1 2.7 0.0250
0.30
6.0
Erodible Channel Results:
Structure #19 (Erodible Channel)
Ditch 1E Flows into Culvert C-12
Trapezoidal Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Bottom Left Right
w/o Freeboard wj Freeboard
Design Discharge:
6.18 cfs
Depth:
0.47 ft 0.77 ft
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
Structure #19 (Erodible Channel)
Ditch 1E Flows into Culvert C-12
Trapezoidal Erodible Channel Inputs:
Material: Graded silts to cobbles when colloidal
Bottom Left Right
Freeboard Freeboard Freeboard
Limiting
Width (ft) Sideslope Sideslope Slope (%) Manning's n
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:
Filename: Basin A- Pond - Basin E.sc4 Printed 10-21-2095
w/o Freeboard w/ Freeboard
Design Discharge:
9.35 cfs
Depth:
0.23 ft 0.53 ft
Top Width:
8.86 ft 9,63 ft
Velocity:
4.67 fps
X -Section Area:
2.00 sq ft
Hydraulic Radius:
Froude Number:
0,221 ft
1.73
Filename: Basin A- Pond - Basin E.sc4 Printed 10-21-2095