PERMFILE63760

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 9/8/2003
• Doc Name: Notice of Intent to Explore Part II Supporting Documentation
• Section_Exhibit Name: Tab 06 Appendix 6-7 Attachment 1 and 1A
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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• Structure Detai/:
Structure #1 (Silt Fence)
Reclaimed Drill Pad
Silt Fence Inputs:
Fence Flow Nridth along Land Slope Tie-back
Rate contour (ft) Height (ft) (%) distance (ft)
(9Pm/sq ft)
10.0 100.0 2.0 2.00 100.0
*Sediment Storage: 0.00 ac-tt
*No sediment capacity defined
Silt Fence Results:
Peak Fence Stage: 0.08 ft
Peak Water Stage: 0.08 ft
Dewater Time: 0.11 days
Trap Efficiency: 74.72
Dewatering time is calculated from peak stage to lowest spillway
•
`I
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Stage-Capacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ac) Capacity

(ac-ft) Discharge

(cfs) Dewater
Tme
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.011 0.000 0.234
0.20 0.20 0.023 0.002 0.490
0.30 0.30 0.034 0.005 0.769
0.40 0.40 0.046 0.009 1.070
0.50 0.50 0.057 0.014 1.393
0.60 0.60 0.069 0.020 1.738
0.70 0.70 0.080 0.028 2.106
0.80 0.80 0.092 0.036 2.496
0.90 0.90 0.103 0.046 2.908
1.00 1.00 0.115 0.057 3.342
1.10 1.10 0.126 0.069 3.799
1.20 1.20 0.138 0.082 4.278
1.30 1.30 0.149 0.097 4.779
1.40 1.40 0.161 0.112 5.303
1.50 1.50 0.172 0.129 5.849
1.60 1.60 0.184 0.147 6.417
1.70 1.70 0.195 0.166 7.008
Filename: Printed 08-19-2003