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OPW16/0021- Operational Works Application 2 of 4
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Runoff Coeff 3
Runoff Coefficients of Runoff for Queensland
Fill in either the rural or urban model information the select which to use on the next sheet
The IFD table and tc calcs will need to be right before these calcs are correct
Queensland
Rural Catchments
Table 3.5 Enter
Value
35
10
5
10
Total 60
Runoff Coefficient for Rural Queensland Catchments
ARI 1 2 5 10 20 50 100
C rural 0.48 0.48 0.48 0.48 0.54 0.6 0.63
Urban
Fraction Impervious 0.25
1
I10 72.2
C10 0.75
Runoff Coefficient for Urban Queensland Catchments
ARI 1 2 5 10 20 50 100
C urban 0.6 0.6375 0.7125 0.75 0.7875 0.8625 0.9375
Z:\AquaIntel Projects\2014022_Seaview_Tce_SWMP\hydrology\Rational Method_Seaview.xls 9/24/2014 2:52 PM
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