Austin Drainage Criteria Manual and Rational Method Source
Explore the City of Austin Drainage Criteria Manual, including information on Rational Method Source, Mannings N values, and Intensity-Duration-Frequency Curves for rainfall events in Austin. Access the manual online for detailed guidelines and criteria.
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City of Austin Drainage Criteria Manual https://www.municode.com/library/#!/tx/austin/codes/drainage_criteria_manual
Rational Method Source: Austin Drainage Criteria Manual, Chapter 2
Intensity-Duration-Frequency Curves 100 Precipitation Intensity (in/hr) 10 2-yr 5-yr 25-yr 1 100-yr 1 10 100 1000 10000 0.1 Duration (Mins)
