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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Dewater Time: 0.67 days
Trap Efficiency: 87.29
Dewatering time is ca/culated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-k) Discharge

(6s) Dewater
Time
(hrs)
6,238.17 0.663 0.000 0.000 Top of Sed. Storage
6,238.50 0.688 0.223 0.000
6,239.00 0.728 0.577 0.000
6,239.50 0.768 0.951 0.000
6,240.00 0.810 1.345 0.000
6,240.50 0.849 1.760 0.000 Spillway #1
6,240.80 0.872 2.018 3.997 14.35
6,241.00 0.888 2.194 8.608 0.95
6,241.28 0.911 2.447 16.990 0.70 Peak Stage

6,241.50
0.929
2.648
23.635 Spillway #2

Spillway #3
6,242.00 0.970 3.123 38.423
6,242.50 1.009 3.618 48.783
6,243.00 1.098 4.132 57.644
6,243.50 1.089 4.666 66.055
6,244.00 1.130 5.221 81.167
Detailed Discharge Table

Elevation
Drop Inlet
(~s)
Straight Pipe
(cfs)
Straight Pipe
(cfs) Combined
Total
Discharge
(6s)
6,238.17 0.000 0.000 0.000 0.000
6,238.50 0.000 0.000 0.000 0.000
6,239.00 0.000 0.000 0.000 0.000
6,239.50 0.000 0.000 0.000 0.000
6,240.00 0.000 0.000 0.000 0.000
6,240.50 0.000 0.000 0.000 0.000
6,240.80 3.997 0.000 0.000 3.997
6,241.00 8.60E 0.000 0.000 8.608
6,241.50 23.635 0.000 0.000 23.635
6,242.00 28.947 (1)>4.738 (1)>4.738 38.423
6,242.50 33.426 (1)>7.679 (1)>7.679 46.783
Filename: POND4rev1.sc4 Printed OS-30-202