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
r:.... ,H hr I oan - , 2nrn 0-1. 1
0
•
w/o Freeboard w/ Freeboard
Froude Number: 1.57
Structure #3 (Pond)
Sediment Pond
Pond Inputs:
I Pool Elev: 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:
Pea Eleva 6,734.61 ft
Dewater Time: 0.56 days
Dewatering time is calculated from peak stage to lowest sail /way
i s
•
Elevation - Capacity- Discharge Table
Filename: 25 yr 24 hr- Erodible Perimeter Drainage Ditches with Vegetated Spillway Channel.sc4 Printed 04 -24 -2009
Area
Capacity
Discharge Dewater
Elevation
Time
(ac)
(ac -ft)
(cfs) (hrs)
6, 730.5 2
0.000
0.000
0.000
6,730.69
0.150
0.008
0.00
-- - - --
-------- - -- - --
6 ,730. 78
- _ _ --
-- - - -- -- ---------------
0.160
-- -
0.022
0.000
- -- -- - -- - - --
6,730.
0.162
0.0
0
6,730.86
0.168
0.036
0.000
6,731.03
0.187
0.066
0.000
6,731.20
0.207
0.099
0.000
6,731.37
0.228
0 .136
0.000
6,7
0.250
0. 177
0.000
6,7 31.69
0.270
0.216
0.000
6,731.71
0.273
0.221
0.000
6,731.
0.296
0.269
0.000
6
0.321
0.322
0.000
6,732.22
0 .346
0.379
0.000
6,732.39
0.373
0.440
0.000
6,732.56
0.400
0.505
0.000
6,732.69
0 .422
0 .559
0.000
6,732.73
0.42
0.57
0 .000
6,732.90
0.430
0.648
0.000
Filename: 25 yr 24 hr- Erodible Perimeter Drainage Ditches with Vegetated Spillway Channel.sc4 Printed 04 -24 -2009