2010-09-20_PERMIT FILE - C1996083A ‎(8)‎

• Permit No: C1996083A
• IBM Index Class Name: Permit File
• Doc Date: 9/20/2010
• Doc Name: pages EXH 8-98 to EXH 8-245
• Section_Exhibit Name: Exhibit 08 Protection of the Hydrologic Balance Part 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 7998 Pamela J. Schwab
Civil Software Design
Silt Fence Inputs:
Structure Detai/;
Fence Flow V,~idth along Land Slope Tie-back
Rate contour (ft) Height (ft) (°~°) distance (R)
(gpmJsq ft)
10.0 110.0 2.5 66.00 3.8
*Sediment Storage: 0. DO ac-R
Silt Fence Results:
*No sediment capacity defined
Peak Fence Stage: 0.10 ft
Peak Water Stage: O.1D ft
Dewater Time: 0.10 days
Trap Effciency: 59.92
Dewatering time is calculated from peak stage to lowest spi/lway
Stage-t'apaci -Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capadty

(ac-ft) Discharge

(cfs) Dewater
Time
(ham)
0.00 0.00 0.000 0.000 D.000 Top of sediment
0.10 0.10 0.000 0.000 0.245
D.10 0.10 0.000 0.000 0.250 0.00 Peak Stage
0.20 0.20 0.001 0.000 0.492
0.30 0.30 0.001 0.000 0.736
0.40 0.40 0.002 0.000 0.986
0.50 0.50 0.002 0.000 1.234
0.60 0.60 0.002 0.001 1.483
0.70 O.JO 0.003 0.001 1.732
0.60 0.80 0.003 0.001 1.982
0.90 0.90 0.003 0.002 2.233
1.00 1.00 0.004 0.002 2.485
1.10 1.10 0.004 0.002 2.737
1.20 1.20 0.005 0.003 2.990
1.30 1.30 0.005 0.003 3.243
1.40 1.40 0.005 0.004 3,498
1.50 1.50 0.006 0.004 3,752
1.60 1.60 0.006 0.005 4.008
1.70 1.70 0.007 0.006 4.264
Filename: GV86-1-100.sc4
Printed 06-04-2001

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TR-20 Exh-8 - 148 - 6/D1