PERMFILE131331

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 6/3/2002
• Section_Exhibit Name: Exhibit 19 Attachment 2 SAE Documentation
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Structure Detai/;
Structure #1 Silt Fence)
Gravel Berm
Silt Fence Inputs:
Fence Flow Width along Land Slope Tie-back
Rate contour (ft) Height (ft) (oy) distance (ft)
(gpm/sq ft)
270.0 2.0 1.5 10.00 15.0
*Sediment Storage: 0.00 ac-ft
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 030 ft
Peak Water Stage: 0.30 ft
Dewater Time: 0.50 days
Trap Efficiency: 86.63
Dewatering time is calculated from peak stage to lowest spil/way
Stage-Capacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Time
{hrs)
O.OD 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.000 0.000 0.180 11.45
0.20 0.20 0.000 0.000 0.481
0.30 0.30 0.000 0.000 0.902
0.30 0.30 0.000 0.000 0.914 0.00 Peak Stage
0.40 0.40 0.000 0.000 1.494
0.50 0.50 0.000 0.000 2.106
0.60 0.60 0.000 0.000 2.888
0.70 0.70 0.000 0.000 3.790
0.80 0.80 0.000 0.000 4.813
0.90 0.90 0.000 0.000 5.956
1.00 1.00 0.000 0.000 7.219
1.10 1.10 0.001 0.000 8.603
1.20 1.20 0.001 0.000 10.107
1.30 1.30 0.001 0.000 11.731
1.40 1.40 0.001 0.000 13.476
1.50 1.50 0.001 0.001 15.341
6
Filename: YartlSaeGravelBermRevl.sc4 ~ Printed OS-13-2002