PERMFILE72269

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 08f CYCC Pond B - Stage Storage - Estimated
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Solhvare Design
•
Structure #1 ~Pond1
POND B-1
Pond Inputs:
Structure Detai/:
Initial Pool Elev: 6,866.30
IniOal Pool: 0.09 ac-k
*Sedrment Storage: 0.94 ac-k
Dead Space: 20.00
`Sediment capacity based on Average Annual R of 30.0 for 5 year(s)
Broad-crested Weir
Weir Width Spillway Elev
(k)
0.25 6,866.30
Emergency Spillway
Spillway Elev Crest Length Lek Right Bottom
(ft) Sideslope Sideslope Width (ft)
• 6,867.40 20.00 3.00:1 3.00:1 8.00
Pond Results:
Peak Elevation: 6,867.50
H'graph Detention Time: 6.42 hrs
Pond Model: CSTRS
Dewater Time: 1.77 days
Trap Efficiency: 91.89
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacit~Discharge Table
L

Elevation Area

(ac) ~ Capacity

(ac-ft) Discharge

(~s) Dewater
Tme
(hrs)
6,866.09 0.442 0.000 0.000 Top of Sed. Storage
6,866.30 0.457 0.094 0.000 Spillway#1
6,666.50 0.471 0.187 0.069 16.25`
6,867.00 0.507 0.431 0.452 14.50
6,867.40 0.533 0.639 0.890 9.55 Spillway #Z
6,867.50 0.540 0.693 2.401
Filename: pondBl O-24A.sc4
Printed 01-03-2000