2003-06-30_PERMIT FILE - C1981010A ‎(3)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 6/30/2003
• Doc Name: East Pyeatt Hydrologic Model
• Section_Exhibit Name: Appendix Q Section VIII
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Sofhvare Design 11
Pond Results:
Peak Elevation: 10.61
H'graph Detention Time: 0.32 hrs
Pond Model: CSTRS
Dewater Time: 0.96 days
Trap E1Flclency: 2.61
Dewatering time is calculated from peak stage to lowest spi//way
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-ft) Discharge

(6s) Dewater
Tlme
(ham)
6.83
7.00 0.376
0.390 0.000
0.067 0.000
0.000 Top of Sed. Storage
7.50 0.529 0.296 0.000
8.00 0.690 0.599 0.000 _
8.50 0.830 0.979 7.800 10.65
9.00 0.980 1.431 28.600 9.75
9.50 1.130 1.958 63.600 1.55
10.00 1.280 2.560 115.500 0.55
10.50 1.430 3.237 163.300 0.35
10.61 1.456 3.400 185.098 0.15 Peak Stage
11.00 2.570 3.987 264.000
11.50 1.720 4.809 412.200
12.00 1.870 5.706 631.000
Detailed Dischar a Table

Elevation
User-
Input discharge
(ch) Combined
Total
Discharge

(cfs)
6.83 0.000 0.000
7.00 0.000 0.000
7.50 0.000 0.000
8.00 0.000 0.000
8.50 7.800 7.800
9.00 28.600 28.600
9.50 63.600 63.600
10.00 115.500 115.500
10.50 163.300 163.300
11.00 264.000 264.000
Filename: EPVEATT26.st4
Printed OS-22-2003