2002-07-05_PERMIT FILE - C1996084A ‎(4)‎

• Permit No: C1996084A
• IBM Index Class Name: Permit File
• Doc Date: 7/5/2002
• Section_Exhibit Name: Exhibit 15-10 Fill 8 Sediment Control Pond 008
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
18
Perforated Riser

Riser Riser Height
ter
Di
e Barrel Barrel Barrel Slope Number of
er
Mapping's n Spillway Elev Ho
Di
e
ter
(m
)
(ft) (p
)
Length (ft) (%)
Ele P
12.00 13.00 12.00 100.00 3.00 ~ 0.0240 6,755.00 3
Emeroencv Soillwa
l Spillway Elev Crest Length Left Right Bottom
I (ft) Sideslope Sideslope Width (ft)
6,757.80 24.00 2.50:1 2.00:1 16.00
Pond Results:
Peak Elevation: 6,758.56
H'graph Detention Tme: 7.41 hrs
Pond Model: CSTRS
Dewater Tme: 4.62 days
Trap Efficiency: 79.54
Dewatering time is ca/cu/ated from peak stage to lowest spillway
r~
ICJ
Elevation-Capac~-Discharge Table

Elevation Area

(ac) Capacity

(ac-ftj Discharge

(dsj Dewater
Tme
(ham)
6,747.03 0.693 0.000 0.000 Top of $ed. Storage
6,747.50 0.704 0.325 0.000
6,748.00 0.716 0.680 0.000
6,748.50 0.728 1.041 0.000 Low hole SPW #1
6,749.00 0.74D 1.408 0.125 35.41*
6,749.50 0.752 1.781 0.177 25.45*
6,750.00 0.764 2.160 0.440 10.42*
6,750.50 0.777 2.545 0.566 8.24*
6,751.00 0.789 2.936 1.168 5.70
6,751.50 0.802 3.334 1.462 3.65
6,752.00 0.814 3.738 2.200 2.70
6,752.50 0.827 4.148 2.612 2.10
6,753.00 0.840 4.565 3.457 1.65
6,753.50 0.853 4.988 3.967 1.40
6,754.00 0.866 5.418 5.083 1.15
6,754.50 0.879 5.854 5.753 1.00
6,755.00 0.892 6.297 6.325 1.25 Spillway #1
6,755.50 0.905 6.746 6.838 1.40
Filename: Rev25Pond008new.snA Printed 02-27-2002