PERMFILE71208

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: SAE Topsoil Area
• Section_Exhibit Name: EXHIBIT 19 HYDROLOGIC DOCUMENTATION
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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•
Structure #1 (Silt Fence]
Gravel Berm
Silt Fence Inputs:
Structure Detai/;
Fence Flow yyidth along Land Slope Te-back
Rate contour (ft) Height (ft) (%) distance (ft)
(9Pm/sq ft)
270.0 4.0 1.5 10.00 15.0
*Sediment Storage: 0.00 ac-R
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 0.58 R
Peak Water Stage: 0.58 f[
Dewater Tme: 0.50 days
T2p Efficiency: 83.37
Dewatering time is ca/cu/ated from peak stage to lowest spillway
•
•
Stage-Capacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ark) Discharge

(cfs) `"rater
Time
(ham)
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
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0.30 0.30 0.000 0.000 1.263
0.40 0.40 0.000 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 1.2D 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: TopsoilSaeGravelBerm Revl.sc4 Printed OS-17-2002