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
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48
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,777.80 25.00 2.50:1 5.00:1 10.00
Pond Results:
Peak Elevation:
6,777.22 ft
H'graph Detention Time:
7.61 hrs
Pond Model:
CSTRS
Dewater Time:
1.04 days
Trap Efficiency:
97.72%
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)
6,774.90
1.873
0.000
0.000
Top of Sed. Storage
6,775.40
1.958
0.958
0.000
6,775.50
1.975
1.154
0.000
6,775.65
2.000
1.452
0.000
6,775.90
2.043
1.958
0.000
6,776.00
2.060
2.163
0.000
6,776.40
2.120
2.999
0.000
6,776.60
2.151
3.426
0.000
Spillway #1
6,776.80
2.181
3.859
0.406
12.90*
6,776.90
2.196
4.078
0.695
4.90
6,776.99
2.210
4.277
1.027
2.85
6,777.22
2.244
4.788
2.123
4.35
Peak Stage
6,777.40
2.271
5.195
2.998
6,777.80
2.332
6.115
5.506
Spillway #2
6,777.90
2.347
6.349
6.793
6,778.00
2.362
6.585
8.104
6,778.40
2.398
7.537
13.599
6,778.90
2.444
8.747
46.655
6,779.40
2.490
9.981
86.234
6,779.90
2.537
11.238
137.577
6,780.00
2.546
11.492
149.693
*Designates time(s) to dewater have been extrapolated beyond the 50 hour hydrograph limit.
Detailed Discharge Table
Filename: Pond 002_10yr, 24hr.sc4
TR01 -10
20.5.3 -E2 -A 1.48
Printed 12 -06 -2010
12/10
9