2,168
edits
Changes
Jump to navigation
Jump to search
→Sizing
Line 144:
Line 144:
The following methods and processes are built into the tool:<br>
The following methods and processes are built into the tool:<br>
*'''Rational Method''' used as a basis for flow calculations:<br>
*'''Rational Method''' used as a basis for flow calculations:<br>
+<math>Q=CiA</math>
+''{{Plainlist|1=Where:
+**''Q'' = Peak Discharge _m<sup>3</sup>/s
+**''C'' = Runoff coefficient (unitless)<ref>
+**''i'' = Rainfall Intensity (mm/hr)
+**''A'' = Drainage Area (m<sup>2</sup>)}}''
* Target treatment is based on capture and treatment of the average annual runoff volume for the site using ISO 14034 verified sediment removal test results for 7 surface loading rates
* Target treatment is based on capture and treatment of the average annual runoff volume for the site using ISO 14034 verified sediment removal test results for 7 surface loading rates
* Linear interpolation is used to calculate sediment removal efficiencies between the ISO/ETV tested surface loading rates
* Linear interpolation is used to calculate sediment removal efficiencies between the ISO/ETV tested surface loading rates