2001-12-11_PERMIT FILE - C1996084A

• Permit No: C1996084A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: Exhibit 15-11 Fill 9 SEDIMENT CONTROL POND 009
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Dopynghl t998 Pamela J Schwab
Civil Software Design

Structure Detai/;
Structure #4 (Pond1
Pond
Pond Inputs:
Ini[ial Pool Elev: 6,905.00
Initial Pool: 2.33 ac-ft
"Sediment Storage: 0.39 ac-ft
Dead Space: 20.00
'Sediment capacity based on Average Annual R of 70.0 for 3 year(s)
Emergency Spillway
Pond Results:
•
Spillway Elev Crest Leng[h Lek Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,905.00 24.00 2.50:1 2.50:1 15.00
Peak Elevation: 6,905.98
H'graph Detention Time: 0.71 hrs
Pond Model: CSTRS
Dewater Time: 0.81 days
Trap Efficiency: 84.15
Dewatering time is calculated from peak stage to lowest spillway
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-k) Discharge Dewater
Time
(ds) (ham)
6,896.69 0.236 0.000 0.000 Top of Sed. Storage
6,897.00 0.240 0.075 0.000
6,897.50 0.245 0.196 0.000
6,898.00 ~ 0.250 0.319 0.000
6,896.50 0.255 0.445 0.000
6,899.00 0.260 0.574 0.000
6,899.50 0.265 0.705 0.000
6,900.00 0.271 0.839 0.000
6,900.50 0.276 0.976 0.000
6,901.00 0.281 1.115 0.000
6,901.50 0.287 1.257 0.000
6,902.00 0.292 1.402 0.000
Filename: 25pond9new.sc4 Printed 07-26-2001