2004-09-02_PERMIT FILE - C1981019A ‎(6)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2004
• Doc Name: Attachment 10 to 12
• Section_Exhibit Name: Exhibit 07 Rail Loop Pond - 006A
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
r n.,dnM w°a Oamela ~ Ghwah
6

Structure #1 (Pond
Pond Inputs:
Structure Detai/,•
Initial Pool Elev: 6,351.50
Initial Pool: 1.02 ac-ft
*Sediment Storage: 0.00 ac-ft
Dead Space: 20.00
*No sediment capacity defined
Straight Pike
Barrel Barrel Entrance Tailwater
Barrel Manning's Spillway
Diameter Length Loss Depth
Slope (%) n Elev
(in) (R) Coefficient (R)
8.00 41.00 1.00 0.0250 6,351.50 0.90 0.00
Emergency Spillway
Spillway Elev Crest Length LeR Right Bottom
(R) Sideslope Sideslope Width (R)
6,353.00 15.00 2.00:1 2.00:1 7.00
Pond Results:
Peak Elevation: 6,352.55
H'graph Detention Time: 3.95 hrs
Pond Model: CSTi25
Dewater Time: 0.81 days
Trap Efficiency: 89.56
Dewatering time is calculated from peak stage to lowest spi/lway
Elevation-Capacity-Discharge Table
•

Elevation Area

(ac) Capacity

(ac-ft) Discharge

(cfs) 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
Filename: RailLoop-SpillwayDesign.sc4 Printed OS-11-2002