PERMFILE132039

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 9/30/2002
• Doc Name: Sediment Ponds SEDCAD4 Results
• Section_Exhibit Name: Tab 13 Attachment 13-12 Appendix 13-12.1
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
it CCFy'~9M 199e Pamela J. Schwab
Civil Software Design
6
•
St~uctu~e ,~1 lPon>~
Pond 14
Pond Inputs:
Permanent Pool Elev: 7,385.00
Permanent Pool: 4.39 ac-k
'Sediment Storage: 6.08 ac-k
Dead Space: 20.00
Emergency Soilfwav
• Spillway Elev Crest Leng[h Lek Right Bottom
(ft) Sideslope Sideslope Nlidth (k)
7,387,50 30.00 3.00:1 3.00:1 20.00
Pond Results:
Peak Elevation: 7,387.07
H'graph Detention Tme: 0.51 hrs
Dewacer Tme: 0.61 days
Trap Efficiency: 66.80 % i
Dewatering time is ca/cu/aced from peak stage to lowest spillway
Elevation-Capacity-Discharge Table
•
Riser Riser Height ~ Barrel garret Barrel Slope
Oi (me)ter (k) I D~ (m~ter Length (R) (%) ~ Manning's n Spillway E1ev
30.00 5.00 24.00 120.00 10.00 0.0240 7,385.00
Structure Detail:
"Sediment capaaty based on Average Annual R of 30.0 for Y year(s)
Drop Inlet

Elevation Area

(ac) Capacity

(ac-k) Discharge

(cfs) Dewacer
Time
(hrs)
7,378.87 0.599 0.000 0.000 Top of Sed. Storage
7,379.00 0.604 0.081 0.000
7,380.00 0.640 D.703 0.000
7,381.00 0.678 1.362 0.000
7,382.00 0.717 2.059 0.000
7,383.00 0.757 2.796 0.000
Filename: pt4asc4 Printed 02-26-t999