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 I99B Pamela J. Schwab
Civil Software Design
Structure Detai/;
Silt Fence Inputs:
Fence Flow Width along Land Slope Tie-back
Rate contour (ft) Height (R) (°~) distance (R)
(gpm/sq ft)
10.0 200.0 2.5 66.00 3.8
*Sediment Storage: 0.00 ac-R
Silt Fence Results:
*No sediment capacity defrned
Peak Fence Stage: 0.08 R
Peak Water stage: 0.08 R
Dewater Time: 0.06 days
Trap EfTciency: 59.92
Dewatering time is calcu/aced from peak stage to lowest spit/way
Stage-Capaci -Discharge Table
Fence Stage

(R) Water Stage

(R) Area

(ac) Capacity

(ac-ft) Discharge

(~s) Dewater -
Time
(hrs)
0.00 0.00 0.000 0.000 0.000 Top oP Sediment
0.10 0.10 0.001 0.000 0.446
0.20 0.20 0.001 0.000 0.893
0.30 0.30 0.002 0.000 1.340
0.40 0.40 0.003 D.001 1.788
0.50 0.50 0.003 0.001 2.237
0.60 0.60 0.004 0.001 2.686
0.70 0.70 O.DOS 0.002 3.136
0.80 0.80 0.006 0.002 3.587
0.90 0.90 0.006 0.003 4.038
1.D0 1.00 0.007 0.003 4.490
1.10 1.10 0.008 0.004 4.943
1.20 1.20 0.008 0.005 5.396
1.30 1.30 0.009 0.006 5.850
1.40 1.40 0.010 0.007 6.305
1.50 1.50 0.010 0.008 6.760
1.60 1.60 0.011 0,009 7.217
1.70 1.70 0.012 0.010 7.673
1.80 1.80 0.013 0.011 8.131
•
C J
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Filename: GV83-1-100.sc4
Printed 06-04-2001
TR-20 Exh-8 - 139 - 6/01