PERMFILE114606

• Permit No: C1981041A
• IBM Index Class Name: Permit File
• Doc Date: 5/13/2002
• Doc Name: Final Reclamation Drainage Design
• Section_Exhibit Name: Tab 14 Appendix 14-6
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
Copyright 7998 Pamela J. Schwab
Civil Software Design
Structure Detai/;
Silt Fence Inputs:
Fence Flow yyidth along Land Slope Tie-back
Rate contour (R) Height (R) (%) distance (R)
(gpm/sq R)
15.0 130.0 2.6 2.00 125.0
*sedimentStorage: 0.00 ac-ft
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 1.58 R
Peak Water Stage: 1.58 R
Dewater Time: 0.51 days
Trap Efficiency: 65.61
Dewatering time is calculated from peak stage to lowest spillway
Stage-Capacity-Dischar4e Table
Fence Stage

(R) Water Stage

(R) Area

(ac) Capacity

(ac-R) Discharge

(ds) Dewater
Tme
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.015 0.001 0.451 5.25
0.20 0.20 0.030 0.003 0.936 4.35
0.30 0.30 0.045 0.006 1.454 1.20
0.40 0.40 0.060 0.012 2.005 0.45
0.50 0.50 0.075 0.018 2.590 0.20
0.60 0.60 0.090 0.027 3.209 0.15
0.70 0.70 0.104 0.036 3.860 0.05
0.80 0.80 0.119 0.047 4.545 0.10
0.90 0.90 0.134 0.060 5.264 0.05
1.00 1.00 0.149 0.074 6.016 0.10
1.10 1.10 0.164 0.090 6.801 0.05
1.20 1.20 0.179 0.107 7.620 0.05
1.30 1.30 0.194 0.126 8.473 0.05
1.40 1.40 0.209 0.146 9.358 0.10
1.50 1.50 0.224 0.168 10.277 0.05
1.58 1.58 0.236 0.186 11.055 0.02 Peak Stage
1.60 1.60 0.239 0.191 11.230
1.70 1.70 0.254 0.215 12.216
i

Filename: PCC-UTL-SedFencep2.sc4
Printed 70-27-2000
14-6 -32 11/00