PERMFILE116998

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/13/2005
• Section_Exhibit Name: Exhibit 08z CYCC Office Building Drainage Design Documentation
• Media Type: D
• Archive: No

~ SEDCAD 4 for Windows
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• Structure #1 (Si/t Fence)
Sediment Logs
Silt Fence Inputs:
Fence Flow Width along Land Slope Tie-back
Rake contour (ft) Height (R) (°~) distance (R)
(9Prn/sQ R)
0.3 230.0 2.5 12.00 20.8
*Sediment Storage: 0.00 ac-R
*No sediment capacity defined
Silt Fence Results:
Structure Detai/;
Peak Fence Stage: 0.95 ft
Peak Water Stage: 0.95 ft
Dewater Time: 0.23 days
Trap Efficiency: 87.98
Dewatering time is calculated from peak stage to lowest spillway
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•
Stage-Capacity-Discharge Table
Fence Stage

(ft) Water Stage

(ft) Area

(ec) Capacity

(ac-ft) Discharge

(~) Dewater
Time
(hrs)
0.00 0.00 0.000 0.000 0.000 Top of Sediment
0.10 0.10 0.004 0.000 0.015 0.50
0.20 0.20 0.009 0.001 0.031 0.75
0.30 0.30 0.013 0.002 0.047 0.55
0.40 0.40 0.018 0.003 0.062 0.45
0.50 0.50 0.022 0.005 0.078 0.55
0.60 0.60 0.026 0.008 0.094 0.55
0.70 0.70 0.031 0.011 0.110 0.50
0.80 0.80 0.035 0.014 0.127 0.50
0.90 0.90 0.040 0.018 0.143 0.60
0.95 0.95 0.042 0.020 0.151 0.16 Peak Stage
1.00 1.00 0.044 0.022 0.159
1.10 1.10 0.048 0.027 0.176
1.20 1.20 0.053 0.032 0.193
1.30 1.30 0.057 0.037 0.209
1.40 1.40 0.062 0.043 0.226
1.50 1.50 0.066 0.049 0.243
1.60 1.60 0.070 0.056 0.260
Filename: Foidel Creek Building Removal -Regraded Site.sc4 Printed 07-26-2005