2017-03-20_PERMIT FILE - C1981019A ‎(47)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 3/20/2017
• Doc Name: Sediment Control System for the Initial Facilities Disturbance Area
• Section_Exhibit Name: Volume 18 Exhibit 7 Item 23 Part J
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
!`nn„WHEN 1000 _Onln D-Ic 1 C,h--k
18
Riser
Riser Height
Barrel
Barrel Barrel Slope
Number of
Spillway Elev
Diameter (ft)
Diameter Length (ft) (%)
Mannings n (ft) Holes per
(in)
(in)
Elev
18.00 11.00
18.00 185.00 9.10
0.0240 7,061.00 2
Pond Results:
Peak Elevation:
7,061.77 ft
Kgraph Detention Time:
4.89 hrs
Pond Model:
CSTRS
Dewater Time:
1.52 days
Trap Efficiency:
24.97%
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)
7,046.00
0.000
0.000
0.000
Top of Sed. Storage
7,046.50
0.001
0.000
0.000
7,047.00
0.005
0.002
0.000
7,047.50
0.011
0.006
0.000
7,048.00
0.020
0.013
0.000
7,048.50
0.024
0.024
0.000
7,049.00
0.029
0.038
0.000
7,049.50
0.034
0.054
0.000
7,050.00
0.040
0.072
0.000
7,050.50
0.047
0.094
0.000
7,051.00
0.054
0.119
0.000
7,051.50
0.062
0.148
0.000
7,052.00
0.070
0.181
0.000
7,052.50
0.077
0.218
0.000
7,053.00
0.084
0.258
0.000
7,053.50
0.092
0.302
0.000
7,054.00
0.100
0.350
0.000
7,054.50
0.109
0.402
0.000
7,055.00
0.119
0.459
0.000
7,055.50
0.129
0.521
0.000
7,056.00
0.140
0.589
0.000
7,056.50
0.150
0.661
0.000
7,057.00
0.159
0.738
0.000
Low hole SPW #2
7,057.50
0.170
0.821
0.334
2.98*
7,058.00
0.180
0.908
0.473
2.90
Filename. Eastside Initial Disturb 1024 022317 sc4 Printed 02-24-2017
Exh. 7-23J-23 Revision Date: 02/26/2017
Revision No.: TR -108