PERMFILE138205

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 5/1/2003
• Doc Name: Sediment Pond SEDCAD Results
• Section_Exhibit Name: Tab 13 Attachment 13-5B Appendix 1
• Media Type: D
• Archive: Yes

~EDCAD 4 for Windows
°pyrlght 1999 Pamela J. Schwab
ivil Software Design
Initial Pool Elev: 7,460.30
Initial Pool: 3.48 ac-ft
'Sediment Storage: 3.41 ac-ft
Dead Space: 20.00
*Sediment capacity based on Average Annua/ R of 30.0 for 1 year(s)
Emergency Soillwav
Spillway Elev Crest Length Left Right Bottom.
(ft) Sideslope .. Sideslope Width (ft)
7,466.50 36.00 3.00:1 3.00:1 20.00
Dro~Inlet
Diameter RiserHeight~ ,-f)iaameetler. - Barrel ~~.` Barrel5lope Manriing's~n Spillway~Elev
-
2.50
24.00 24.00 100.00 9.00 0.0240 7,460.30
Pond Results:
Peak Elevation: 7,466.15
H'g2ph Detention Time: 1.24 hrs
Pond Model: CSl'RS
Dewater Time: 0.80 days
Trap Efficiency: 8.22
Dewatering time is ca/culated from peak stage to /awest spi//way
Elevation-Capacity-Discharge Table

Elevaton Area...

(ac)
~ v
~
..Capacity -
(ac-ft) ~~ ~-
. Discharge."
(cfs) Dewater_ -_~__
Time
his_
7,455.20 0.566 0.000 0.000 Top of Sed. Storage
7,455.50 0.560 0.174 0.000
7,456.00 0.603 0.470 0.000
7,456.50 0.625 0.777 0.000
7,457.00 0.648 1.095 0.000
7,457.50 0.671 1.425 0.000
7,458.00 0.695 1.766 0.000
7,458.50 0.717 2.119 0.000
7,459.00 0.739 2.483 0.000
7,459.50 0.762 2.858 0.000
7,460.00 0.785 3.245 0.000
7,460.30 0.799 3.463 0.000 Spillway #2
=filename: Pond16REV5-10.24-2ponds.sc4 Printed 03.28-2002