PERMFILE45937

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 9/2/2004
• Doc Name: Attachment 1 to 9
• Section_Exhibit Name: Exhibit 7 East Taylor Pond - 010A
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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• Structure Detai/.•
Structure #1 (Null,
Structure #2 (Nu//~

Structure #3 (Null1

Structure #4 (Nu/lJ

Structure #S (Pond

Pond Inputs:
Initial Pool Elev: 6,944.00
Initial Pool: 0.56 ac-ft
*Sediment Storage: 2.31 ac-ft
Dead Space: 20.00
*Sediment capacity based on Average Annual R of 19. o for 2 year(s)
Perforated Riser

Riser Riser Height Barrel Barrel Barrel Slope
' Number of
Diameter (ft) Diameter Length (ft) (%) s n Spillway Elev
Manning Holes per
(in) (in) Elev
18.00 10.00 18.00 122.00 4.00 0.0250 6,952.00 2
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,954.00 20.00 2.00:1 2.00:1 20.00
Pond Results:
Peak Elevation: 6,950.72
H'graph Detention Time: 13.13 hrs
Pond Model: CSTRS
Dewater Tme: 1.36 days
Trap Efficiency: 54.02
Dewatering time is calcu/ated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
•
Filename: EastTaylor-10yr.sc4 Printed 05-11-2002