2011-06-29_PERMIT FILE - C1981019A ‎(22)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Permanent Channel Design
• Section_Exhibit Name: Exhibit 07 Item 20 Part E -ST
• Media Type: D
• Archive: Yes

•
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SEDCAD 4 for Windows
r..,.,,A. h# +ooa _onin D—J. i c ti,sti
Elevation
(ft)
Emergency
Spillway (cfs)
Combined
Total
Discharge
(cfs)
98.50
0.000
0.000
99.00
0.000
0.000
99.50
0.000
0.000
100.00
0.000
0.000
100.50
3.625
3.625
101.00
48.400
48.400
101.50
99.605
99.605
102.00
167.398
167.398
102.50
249.224
249.224
103.00
344.812
344.812
Structure #18 (Riprap Channel)
Chn/ Stk Pnd 4 down to Stk Pnd 5
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
Mult. x
Depth (ft) % of Depth
Ratio Ratio
(VxD)
12.00 3.0:1 3.0:1 3.8
15.86 ft
Riprap Channel Results:
Simons /OSM Method - Steep Slope Design
Velocity and Manning's n calculations may not apply for this method.
Structure #17 (Pond)
Stk Pnd 5
10
Filename: W Tay East Trib Ditch 10024.so4 Printed 12 -27 -2010
Exh. 7- 20E -33 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
75.61 cfs
Depth:
0.64 ft
Top Width:
15.86 ft
Velocity*:
X- Section Area:
8.97 sq ft
Hydraulic Radius:
0.558 ft
Froude Number *:
Manning's n *:
Dmin:
2.00 in
D50:
6.00 in
Dmax:
7.50 in
Velocity and Manning's n calculations may not apply for this method.
Structure #17 (Pond)
Stk Pnd 5
10
Filename: W Tay East Trib Ditch 10024.so4 Printed 12 -27 -2010
Exh. 7- 20E -33 Revision Date: 12/31/10
Revision No.: TR -81