2009-09-04_PERMIT FILE - C1982056 ‎(4)‎

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/4/2009
• Doc Name: MAIN NORTH INTAKE SHAFT
• Section_Exhibit Name: Exhibit 08X 6-ain North Intake Shaft Drainage Designs
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
I QQQ -Onn7 D­J� I
Structure #3
Sediment Pond
Pond Inputs:
Initial Pool Elev:
6,730.59 ft
Initial Pool:
0.00 ac-ft
*Sediment Storage:
0.00 ac-ft
Dead Space:
20.00%
*No sediment capacity defined
Emerciencv SlDillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,734.20 3.00 2.00:1 2.00:1 12.00
Pond Results:
Peak Elevation: 6,733.20 ft
H'graph Detention Time:
0.00 hrs
Pond Model:
CSTRS
Dewater Time:
0.00 days
Trap Efficiency:
0.00%
0 Dewatenny time Is calculated from peak stage to lowest spillway
Elevation - Capacity- Discharge Table
•
N .
Filename: 10 yr 24 hr Empty Perimeter Drainage Ditches.sc4 Printed 04-24-2009
Area
Capacity
Discharge Dewater
Elevation
Time
(ac)
(ac-ft)
(cfs)
(hrs)
6,730.58
0.050
0.000
0.000 Top of Sed. Storage
6,730.59
-----0.059
0.001
0.000
6,730.69
0.150
0.011
0.000
6,730.75
0.156
0.020
0.000
6,7 30.80
0.162
0.028
- - -
0.000
- - -- - 0.000
6,730.92
0.175
0.048
6,731.09
0.194
0.079
0.000
6,731.26
0,214
0.114
0.000
6,731.43
0.236
0.152
0.000
6,731.60
0.258
0.194
0.000
6,731.69
0.270
0.218
0.000
6,731.77
0.281
0.240
0.000
6,731.94
0.305
0.290
0.000
6,732.11
0.330
0.344
0.000
6,732.28
0.356
0.402
0.000
1 6,732.45
0.382
0.465
0.000 1
N .
Filename: 10 yr 24 hr Empty Perimeter Drainage Ditches.sc4 Printed 04-24-2009