2023-04-19_PERMIT FILE - C1981010 ‎(124)‎

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 4/19/2023
• Doc Name: East Buzzard Hydrologic Model
• Section_Exhibit Name: Appendix Q Section II
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detail:
Structure #1 (Pond}
East Buzzard No. 3
Pond Inputs:
Initial Pool Elev: 6,247.00 ft
Initial Pool: 0.68 ac-ft
*Sediment Storage: 1.00 ac-ft
Dead Space: 0.00%
*Sediment capacity was entered by user
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) 5ideslope S,deslope Width(ft)
6,247.00 35.00 2.00:1 2.00:1 5.00
Pond Results:
Peak Elevation: 6,247.46 ft
H'graph Detention Time: 0.35 hrs
Pond Model: CSTRS
Dewater Time: 0.67 days
Trap Efficiency: 16.95%
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Ca aci -Dischar a Table
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-ft) (cft) (hrs)
6,244.81 0.272 0.000 0.000 Top of Sed. Storage
6,245.00 0.278 0.053 0.000
6,245.50 0.294 0.196 0.000
6,246.00 0.311 0.348 0.000
6,246.50 0.328 0.507 0.000
6,247.00 0.346 0.676 0.000 Spillway#1
6,247.46 0.364 0.838 5.579 16.00 Peak Stage
6,247.50 0.366 0.854 6.113
6,248.00 0.386 1.041 12.225
6,248.50 0.408 1.240 29.053
6,249.00 0.430 1.449 51.018
6,249.50 0.456 1.670 79.819
Filename:East Buzzard 202210 yr event.sc4 Printed 05-09-2022