2011-06-29_PERMIT FILE - C1981019A ‎(17)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: West Pit Ditch & Taylor Tributary Ditch Channel Designs ‎(Permanent)‎
• Section_Exhibit Name: Exhibit 07 Item 14 Appendix Exh7-14C
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
rnrn,rinhf 100A -Onin p-t- i Crhu,ah
Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Pond)
sump between uppr and middl
Pond Inputs:
Initial Pool Elev: 100.00 ft
Initial Pool: 2.01 ac -ft
Emergency Spillway
Spillway Elev crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
is 100.00 20.00 2.00:1 2.00:1 20.00
40
Pond Results:
Peak Elevation: 101.56 ft
Dewater Time: 0.82 days
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Elevation
w/o Freeboard w /Freeboard
X- Section Area:
12.04 sq ft
Hydraulic Radius:
0.698 ft
Froude Number *:
0.000
Manning's n *:
0.050
Dmin:
3.00 in
D50:
9.00 in
Dmax:
11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #11 (Pond)
sump between uppr and middl
Pond Inputs:
Initial Pool Elev: 100.00 ft
Initial Pool: 2.01 ac -ft
Emergency Spillway
Spillway Elev crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
is 100.00 20.00 2.00:1 2.00:1 20.00
40
Pond Results:
Peak Elevation: 101.56 ft
Dewater Time: 0.82 days
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge Dewater
Time
(cfs) (hrs)
90.00
0.050
0.000
0.000
90.01
0.050
0.001
0.000
90.50
0.061
0.028
0.000
91.00
0.072
0.061
0.000
91.50
0.085
0.100
0.000
92.00
0.098
0.145
0.000
92.50
0.113
0.198
0.000
93.00
0.128
0.258
0.000
93.50
0.145
0.326
0.000
Filename: taylor trib ditch10024.sc4
12
Printed 12 -12 -2010
Exh. 7- 14C -17 Revision Date: 12/31/10
Revision No.: TR -81