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

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w/o Freeboard w/ Freeboard
Froude Number: 1.57
0
Structure #3 (Pond.
Sediment Pond
Pond Inputs:
Initial Pool E lev: 6,734.20 ft
Initial Pool: 1.24 ac -ft
Emergency Spillway
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:
Pe ak Elev ation: 6,7 34.61 ft
Dewater Time: 0.56 days
Dewater/ng time /s calculated from peak stage to lowest spillway
•
0
Elevation - Capacity- Discharge Table
Filename: 25 yr 24 hr-Erodible Perimeter Drainage Ditches with Erodible Spillway Channel.sc4 Printed 04 -24 -2009
Area
Capacity
Discharge Dewater
Elevation
Time
(ac)
(ac -ft)
(cfs)
(hrs)
6,730.52
0.000
0.000
0.000
6, 730.69
0.150
0.008
0.000
6
0.160
0.022
0 .000
6,7 30.80
0. 162
0.026
0.000
6,730.
0 .168
0.036
0.000
6,731
-_
0.187
--
0.066
- - 0.099
0.0
6,731.20
0.207
0.000 - -- - -
6,731.37
0.228
0.136
0.000
6,731.54
0.250
0.177
0.000
6,
0.270
0.21
0.000
6,7 31.71
0 .2 73
0.221
0.000
6,731.88
0.296
0.269
0.000
6,732.05
0.3
0.322
0.000
6,732.22
0.346
0.379
0.000
6,732.39
0.373
0.
0.000
6,732.56
0 .400
0.5
0.000
6,732.69
0.422
0.559
0.00
6,732.73
0.424
0.576
0.000
6,732.90
0.430
0.648
0.000
Filename: 25 yr 24 hr-Erodible Perimeter Drainage Ditches with Erodible Spillway Channel.sc4 Printed 04 -24 -2009