2020-03-24_PERMIT FILE - C1981019 ‎(107)‎

• Permit No: C1981019
• IBM Index Class Name: Permit File
• Doc Date: 3/24/2020
• Doc Name: Streeter Sedimentation Pond
• Type & Sequence: TR135
• Section_Exhibit Name: Exhibit 07 Item 20 Part SP
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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17
Structure #3(Null)
Null Above Streeter Pond
Structure #2(Pond)
Streeter Pond
Pond Inputs:
Initial Pool Elev: 6,583.00 ft
Initial Pool: 2.45 ac-ft
Perforated Riser
Riser Barrel Number of
Riser Height Barrel Barrel Slope (ft)Spillway Elev
Diameter (ft) Diameter Length(ft) (%) Manning's n Holes per
(in) (in) Elev
12.00 4.00 18.00 87.00 4.50 0.0150 6,585.00 2
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width(ft)
6,588.00 50.00 1.50:1 1.50:1 20.00
Pond Results:
Peak Elevation: 6,589.14 ft
Dewater Time: 1.10 days
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-ft) (cfs) (hrs)
6,578.00 0.010 0.000 0.000
6,579.00 0.070 0.035 0.000
6,580.00 0.275 0.197 0.000
6,581.00 0.441 0.551 0.000
6,582.00 1.100 1.297 0.000
6,583.00 1.200 2.447 0.000
6,584.00 1.500 3.794 0.000
6,585.00 1.600 5.344 0.000 Spillway#1
6,586.00 1.800 7.043 3.782 5.44*
6,587.00 2.000 8.942 5.348 5.05
6,588.00 2.100 10.992 6.550 4.40 Spillway#2
6,589.00 2.200 13.142 45.017 10.80
6,589.14 2.271 13.456 59.413 0.65 Peak Stage
Filename:Exhibit 7-14E Streeter Pond 25 Yr 24 Hr sc4 Printed 02-10-2020