PERMFILE55928

• Permit No: C1981020A
• IBM Index Class Name: Permit File
• Doc Date: 10/25/2005
• Section_Exhibit Name: Appendix M‎(vii)‎ to M‎(viii)‎ Hydrologic Data
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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6
• Structure Detai/;
Structure #1 [Silt Fence
Above Reclaimed Slopes
Silt Fence Inputs:
Fence Flow
Race Width along Land Slope Tie-back
Height (R)
(%) distance (R)
contour (ft)
(gpm/sq R)
10.0 100,0 2.5 33.00 7.6
*SedimentStorage.• 0.00 ac-ft
*NO sediment capacity defined
Silt Fence Results:
Peak Fence Sage: 0.14 R
Peak Water Stage: 0.14 ft
Dewater Tme: 0.19 days
Trap Efficiency: 88.04

• Dewatering time is calculated from peak stage to lowest spi//way
Stage-Capacity-Discharge Table
Fence Stage Water Stage Area Capacity Discharge Dewa[er
Time
(ft) (R) (ac) (ac-R) (cfsj (hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.001 0.000 0.223
0.14 0.14 0.001 0.000 0.303 0.00 Peak Stage
0.20 0.20 0.001 0.000 0.448
0.30 0.30 0.002 0.000 ~ 0.675
0.40 0.40 0.003 0.001 0.902
0.50 0.50 0.003 0.001 1.131
0.60 0.60 0.004 0.001 1.361
0.70 0.70 0.005 0.002 1.543
0.80 0.80 0.006 0.002 1.826
0.90 0.90 0.006 0.003 2.060
1.00 1.00 0.007 0.003 2.296
1.10 1.10 0.008 0.004 2.533
1.20 1.20 0.008 0.005 2.771
1.30 1.30 0.009 0.006 3.011
• 1.40 1.40 0.010 0.007 3.252
1.50 1.50 0.010 0.008 3.494
1.60 1.60 0.011 0.009 3.738

Filename: MunGobSilt Fen.sc4 Printed 09-06.2002
MD M(vii)-49 9/02