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
6
Structure Detai/;
Structure #i (Silt Fence)
Grave/Bean
Silt Fence Inputs:
Fence Flow yvidth along Land Slope Tie-back
Rate contour (ft) Height (ft) (%) distance (ft)
(gpm/sq ft)
270.0 4.0 1.5 10.00 15.0
*SedimentStorage: 0.00 ac-R
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 0.58 ft
Peak Water Stage: 0.58 ft
Dewater Time: 0.50 days
Trap Efftiency: 63.37
Dewateryng time is calcu/ated from peak stage to lowest spil/way
Stage-Caaacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Time
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.000 0.000 0.301 10.50
0.20 0.20 0.000 0.000 0.722 1.00
0.30 0.30 0.000 0.000 1.263
0.40 0.40 D.000 0.000 1.925
0.50 0.50 0.000 0.000 2.707
0.58 0.58 0.001 0.000 3.412 0.00 Peak Stage
0.60 0.60 0.001 0.000 3.610
0.70 0.70 0.001 0.000 4.632
0.80 0.80 0.001 0.000 5.775
0.90 0.90 0.001 0.000 7,039
1.00 1.00 0.001 0.000 8,422
1.10 1.10 0.001 0.001 9,926
1.20 1.20 0.001 0.001 11.551
1.30 1.30 0.001 0.001 13.295
1.40 1.40 0.001 0.001 15.160
1.50 1.50 0.001 0.001 17.146
Filename: TopsoilSaeGravelBermRevt.sc4 Printed 05-17-2002