2011-03-21_PERMIT FILE - C2009087A ‎(13)‎

• Permit No: C2009087A
• IBM Index Class Name: Permit File
• Doc Date: 3/21/2011
• Doc Name: Pond 002 10yr/24hr Storm Event
• Section_Exhibit Name: Exhibit 2.05.3-E2 Appendix 2.05.3-E2.A Addendum 2.05.3-E2.A-1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
50
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,773.50 25.00 3.00:1 3.00:1 10.00
Pond Results:
Peak Elevation:
6,772.79 ft
H'graph Detention Time:
1.24 hrs
Pond Model:
CSTRS
Dewater Time:
1.62 days
Trap Efficiency:
93.95%
Dewatering time is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge
(cfs)
Dewater
Time
(hrs)
6,768.27
0.801
0.000
0.000
Top of Sed. Storage
6,768.50
0.817
0.188
0.000
6,769.00
0.851
0.605
0.000
6,769.50
0.885
1.039
0.000
6,770.00
0.920
1.490
0.000
6,770.50
0.965
1.962
0.000
6,771.00
1.012
2.456
0.000
6,771.50
1.058
2.973
0.000
6,772.00
1.104
3.514
0.000
6,772.50
1.150
4.077
0.000
Spillway #1
6,772.79
1.176
4.415
2.974
37.40
Peak Stage
6,773.00
1.196
4.663
5.165
6,773.50
1.242
5.273
8.509
Spillway #2
6,774.00
1.288
5.905
11.065
6,774.50
1.334
6.560
37.485
6,775.00
1.380
7.239
70.377
*Designates time(s) to dewater have been extrapolated beyond the 50 hour hydrograph limit.
Detailed Discharge Table
Filename: Pond 002_10yr, 24hr.sc4
TRO1 -10
20.5.3- E2 -A1.50
Printed 12 -06 -2010
12/10