PERMFILE109665

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Revised and New SAEs and Alternative Sediment Controls ‎(ASCs)‎
• Section_Exhibit Name: Exhibit 2.05-E3 Section 9
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 1998 Pamela J. Schwab
Civil Software Design
•
Structure Detai/;
Structure #1 (Silt Fencel
Anchored Straw Bales In Lieu of Fencing
Silt Fence Inputs:
Fence Flow yyidth along Land Slope Tie-back
Rate contour (ft) Height (ft) (%) distance (ft)
(9Pm/sq ft) .
5.6 65.0 2.5 50.00 5.0
*Sediment Storage: 0.00 ac-ft
*Sediment capacity based on Average Annual R of 30.0 for 1 year(s)
Silt Fence Results:
Peak Fence Stage: 1.07 ft
Peak Water Stage: 0.15 ft
Dewater Tme: 0.06 days
Trap Efficiency: 51.51
Dewatering time is ca/cvlated from peak stage to lowest spi/lway

Stage-Capacity-Discharge Table
•
Fence Stage

(ft) Wafer Stage

~ (ft) ~ Area

(ac) Capacity

...(ac-ft) ~ Discharge ~

~(cfs) - ~~-_Dewater ~ ~ _ ~ - _
,,-Time
~(hrs) -
o.oo o.ooo o.ooo
o.lo o.ooo o.ooo
o.zo o.ool o.ooo
0.30 0.001 0.000
0.40 0.007 0.000
0.50 0.001 0.000
0.60 0.002 0.001
0.70 0.002 0.001
0.60 0.002 0.001
0.90 0.003 0.001
0.92 0.00 0.003 0.000 0.000 Top of Sediment
1.02 0.10 D.000 D.OOD D.081
1.07 0.15 0.001 0.000 0.136 0.00 Peak Stage
1.12 0.20 0.001 0.000 0.182
1.22 0.30 0.001 0.000 0.304
1.32 0.40 0.001 0.000 0.445
1.42 0.50 0.001 0.000 0.606
1.52 0.60 0.002 0.001 0.787
Filename: Slope2.scA
Printed OS-10-2000