2004-09-02_PERMIT FILE - C1981019A ‎(5)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2004
• Doc Name: Attachment 1 to 9
• Section_Exhibit Name: Exhibit 07 Rail Loop Pond - 006A
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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6
Structure #1 (Pond
Pond Inputs:
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,353.00 15.00 2.00:1 2.00:1 7.00
*No sediment capacity defined
Straight Pik
Barrel Barrel Entrance Tailwater
Barrel Manning's Spillway
Diameter Length Loss Depth
Slope (%) n Elev
(in) (ft) Coefficient (ft)
8.00 41.00 1.00 0.0250 6,351.50 0.90 0.00
Emergency Spillway
•
Pond Results:
Elevation-Capacit~Discharge Table

Elevation Area

(ac) Capacity

(ac-ft) Discharge

(~) Dewater
Time
(hrs)
6,344.00 0.001 0.000 0.000 Top of Sed. Storage
6,344.50 0.021 0.004 0.000
6,345.00 0.070 0.026 0.000
6,345.50 0.084 0.064 0.000
6,346.00 0.100 0.110 0.000
6,346.50 0.111 0.163 0.000
Structure Detai/;
Initial Pool Elev: 6,351.50
Initial Pool: 1.02 ac-ft
*Sediment Storage: 0.10 ac-ft
Dead Space: 20.00
Peak Elevation: 6,352.19
H'graph Detention Time: 3.37 hrs
Pond Model: CSTRS
Dewater Time: 0.91 days
Trap Efficiency: 91.83
~ewate~ing time is calculated from peak stage to lowest spillway
Filename: RailLoop-25yr.sc4 Printed 05-11-2002