2020-08-07_PERMIT FILE - C1981010 ‎(116)‎

• Permit No: C1981010
• IBM Index Class Name: Permit File
• Doc Date: 8/7/2020
• Doc Name: East Pyeatt Hydrologic Model
• Section_Exhibit Name: Appendix Q Section VIII
• Media Type: D
• Archive: No

•
SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
Detailed Discharge Table

Elevation
User-
input discharge
(~) Combined
Total

Discharge
(cfs)
6.59 0.000 0. 000
7.00 0.000 0. 000
7.so o.ooo o. ooo
s.oD o.ooo o. ooo
8.50 1.370 1. 370
9.00 8.700 8. 700
9.50 25.650 25. 650
10.00 66.240 55. 240
10.60 95.320 95. 320
11.00 169.240 169. 240
11.50 299.950 299. 950
12.00 477.490 477. 490
Structure #S (Pond)
Pond Inputs:

Initial Pool Elev: 8.50
Initial Pool: 2.11 ac-k
*Sediment Storage: 2.49 ac-k
Dead Space: 20.00
*Sediment capacity was entered by user
Pond Results:
Peak Elevation: 9.71
H'graph Detention Time: 0.20 hrs
Pond Model: C61'RS
Dewater Time: 0.92 days
Trap Effciency: 8.94 %
Dewatering time is calculated from peak stage to lowest spil/way
Elevation-Capacity-Discharge Table
M
Area Capacity Discharge Dewater
Elevation Time
(ac) (ac-k) (~) (hrs)
6.09 0.777 0.000 0.000 Top of Sed. Storage
6.50 0.810 0.322 0.000
Filename: EPYEATT.sc4
9
Printed OS-22-2003