PERMFILE71208

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: SAE Topsoil Area
• Section_Exhibit Name: EXHIBIT 19 HYDROLOGIC DOCUMENTATION
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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•
Structure #1 Llt Fence)
Straw Bales
Silt Fence Inputs:
Structure Detai/;
Fence Flow yyidth along Land Slope Tie-back
Rate contour (ft) Height (ft) (y,°) distance (ft)
(gpm/sq ft)
14.0 35.0 2.5 10.00 25.0
*Sediment Storage: 0.00 ac-R
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 1.84 ft
Peak Water Stage: 1.84 ft
Dewater Time: 0.50 days
Trap Effiaency: 82.75
Dewatering time is calculated from peak stage to lowest spillway
•
•
Stage-Capacity-Discharge Table
6
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Tme
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.001 0.000 0.112 6.95
0.20 0.20 0.002 0.000 0.231 3.55
0.30 0.30 0.002 0.000 0.356 1.00
0.40 0.40 0.003 0.001 0.487 0.45
0.50 0.50 0.004 0.001 0.624 0.05
0.60 0.60 0.005 0.001 0.767 0.30
0.70 0.70 0.006 0.002 0.917 0.05
0.80 0.80 0.006 0.003 1.073 0.05
0.90 0.90 0.007 0.003 1.235
1.00 1.00 0.008 0.004 1.404
1.10 1.10 0.009 0.005 1.578 0.05
1.20 1.20 0.010 0.006 1.759
1.30 1.30 0.010 0.007 1.947
1.90 1.90 0.011 0.008 2.140
1.60 1.50 0.012 0.009 2.340
1.60 1.60 0.013 0.010 2.545
Filename: TopsoilSaeStrawBaleRevl.sc4 Printetl OS-17-2002