2011-06-17_PERMIT FILE - C1981018A ‎(2)‎

• Permit No: C1981018A
• IBM Index Class Name: Permit File
• Doc Date: 6/17/2011
• Doc Name: B-Seam Dewatering System
• Section_Exhibit Name: Illustration 55
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
•
•
Combined
Elevation, Emergency Total.
(ft) Spillway (cfs) Discharge
(ds)
4.45 2.535 2.535
4.50 2.817 2.817
Structure #7 [Erodible Channel
Channel out of Pond #2
Trapezoidal Erodible Channel Inputs:
Material: Alluvial silts noncolloidal
Left Right :" : -,. -
Bottom g
Sideslope' Sideslope, Slope %) Manning'§ 'n=
Freeboard, Freeboard Freeboard
Limiting
g
Velocity
_ (
Width (ft), Ratio'"
Mult. X .
Depth (ft)'"., %of,De th.
p
(fps)
Top Width:
- (VxD)
Velocity:
12.00 3.0:1 3.0:1 3.0 0.0200
X- Section Area:
2.0
Erodible Channel Results:
Structure #4 6Pon d
Last Chance Pond
Pond Inputs:
• Pond Results:
Initial Pool Elev: 4.00 ft
Initial Pool: 0.20 ac -ft
Emeraencv SDillwa
Spillway Elev Crest Length" Left Right Bottom.
(ft) Sideslope Sideslope Width (ft)'
5.00 10.00 30.00:1 3.00:1 10.00
16
Filename: Dewatering model - 25yr concrete outlet 5- 11.sc4 Printed 05 -19 -2011
w/o Freeboard w/ Freeboard
Design Discharge:
1.31 cfs
Depth:
0.06 ft
Top Width:
12.34 ft
Velocity:
1.89 fps
X- Section Area:
0.69 sq ft
Hydraulic Radius:
0.056 ft
Froude Number:
1.40
Initial Pool Elev: 4.00 ft
Initial Pool: 0.20 ac -ft
Emeraencv SDillwa
Spillway Elev Crest Length" Left Right Bottom.
(ft) Sideslope Sideslope Width (ft)'
5.00 10.00 30.00:1 3.00:1 10.00
16
Filename: Dewatering model - 25yr concrete outlet 5- 11.sc4 Printed 05 -19 -2011