PERMFILE60157

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 8/19/2002
• Doc Name: Pond 4 & 5 10 & 25 Yr, 24 Hr Design
• Section_Exhibit Name: Exhibit 19 Attachment 1 SEDCAD 4 Printouts
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detai/;
Structure #1 (Pond
Pond 5
Pond Inputs:
Initial Pool Elev: 6,082.50
Initial Pool: 1.10 ac-ft
*Sediment Storage: 1.96 ac-ft
Dead Space: 20.00
*Sediment capacity based on Average Annua/ R of 56.6 for 10 year(s)
Drop Inlet
Riser Heigh[ Barrel Barrel Slope
aa
e '
Dia titer
(ft) Di
e
ter
Length (ft) (%) s n S illwa Elev
Mannin
9 P Y
(in) (in)
30.00 5.50 24.00 147.00 1.00 0.0240 6,082.50
Emeraenc~Soillwav
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,083.60 87.00 3.00:1 3.00:1 8.00
Pond Results:
Peak Elevation: 6,083.52
H'graph Detention Time: 0.45 hrs
Pond Model: CSTRS
DewaterTme: 0.61 days
Trap Effiiciency: 81.04
Dewatering time is ca/cu/aced from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac ft) (ds) (hrs)
6,080.79 0.599 0.000 0.000 Top of Sed. Storage
6,081.00 0.609 0.125 0.000
6,081.50 0.639 0.436 0.000
6,082.00 0.660 0.759 0.000
6,082.50 0.687 1.096 0.000 Spillway #1
Filename: pond 5 revl.sc4 Printed OS-28-2002