PERMFILE111557

• Permit No: C1996084A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15 FILL 6 Sediment Control Pond 006a
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
r1
u
Structure Detai/:
Structure #7 (Pond)
Pond Inputs:
Initial Pool Elev: 6,980.00
Initial Pool: 3.03 ac-k
'Sediment Storage: 5.21 ac-ft
Dead Space: 20.00
"Sediment capacity based on Average Annual R of70.0 for 3 year(s)
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(k) Sideslope Sideslope Width (k)
6,980.00 24.00 2.50:1 2.50:1 14.00 /
Pond Results:
r 1
LJ
Peak Elevation: 6,981.00
H'graph Detention Tme: 1.47 hrs
Pond Model: CSTRS
Dewater Tme: 1.22 days
Trap Efficiency: 90.31 °,6
~S~
5~ "~
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-k) Discharge

(ds) Dewater
Time
(hrs)
6,975.04 0.579 0.000 0.000 Top of Sed. Storage
6,975.50 0.585 0.267 0.000
6,976.00 0.591 0.561 0.000
6,976.50 0.598 0.858 0.000
6,977.00 0.604 1.159 0.000
6,977.50 0.611 1.462 0.000
6,978.00 0.617 1.769 0.000
6,978.50 0.624 2.079 0.000
6,979.00 0.630 2.393 0.000
6,979.50 0.637 2.709 0.000
6,980.00 0.643 3.029 0.000 Spillway #1
6,980.50 0.650 3.353 1.180 23.20
6,981.00 0.657 3.677 33.704 6.05 Peak Stage
Filename: 26Pond 6rev.sc4
Printed 07-26-2001