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
Pond 008; E Pond and Pond SW and W Pond
Pond Inputs:
Initial Pool Elev: 6,748.50
Initial Pool: 1.04 ac-ft
*Sediment Storage: 3.20 ac-ft
Dead Space: 20.00
*sediment capacity was entered by user
Perforated Riser
Riser Riser Height Barrel Barrel Barrel Slope Number of
'
Diameter (ft) Diameter Length (ft) (%) Manning
s n Spillway Elev Holes per
(in) (in) Elev
12.00 13.00 12.00 100.00 3.00 0.0240 6,755.00 3
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,757.90 24.00 2.50:1 2.OO:1 16.00
Pond Results:

Peak Elevation: 6,759,41
H'graph Detention Time: 6.22 hrs
Pond Model: CSlRS
Dewater Tme: 4.68 days
Trap Efficiency: 76.56
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
~~
iLJ

Elevation Area

(ac) Capacity

(ac-ft) Discharge

(cfis) Dewater
Time
(ham)
6,747.03 0.693 0.000 0.000 Top of Sed. 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 0.740 1.408 0.125 35.41*
6,749.50 0.752 1.781 0.177 25.46*
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 0.602 3.334 1.462 3.65
19
Filename: Rev100Pond008new.sc4 Printed 02-27-2002