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→Define design criteria
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[[File:Screeningprocessdiagram.png|thumb|500 px|Process Diagram for Screening LID Options]]
== Process for selecting an individual or suite of LID Options ==
== Process for selecting an individual or suite of LID Options ==
This guidance article intends to help reduce the number of LID options in the preliminary phases of design and to alert the designer to LID opportunities unique to the site-type being assessed. When going through the process of screening LID options, it is important to have a larger contextual understanding of [[Integrated water management]], [[Site design strategies]], and [[Siting and layout of development]].
This guidance article intends to help reduce the number of LID options in the preliminary phases of design and to alert the designer to LID opportunities unique to the site-type being assessed. When going through the process of screening LID options, it is important to have a larger contextual understanding of [[Integrated water management]], [[Site design strategies]], and [[Siting and layout of development]].
The design criteria required to protect, enhance or restore the environmental resources can be grouped under the following five categories:
The design criteria required to protect, enhance or restore the environmental resources can be grouped under the following five categories:
*[[Flood protection]]
*[[Flood control]]
*[[Water quality]]
*[[Water quality]]
*Erosion control
*Erosion control
*[[Groundwater|Groundwater recharge]]
*[[Groundwater|Groundwater recharge]]
*Natural heritage systems or [[green infrastructure]]
*Natural heritage systems or other types of green infrastructure
== Screen potential LID options ==
== Screen potential LID options ==
===Performance requirements===
===Performance requirements===
Resources for evaluating LID practices within Ontario can be found at [http://www.sustainabletechnologies.ca/wp/home/urban-runoff-green-infrastructure/low-impact-development/ Sustainable Technologies Evaluation Program (STEP)] and [http://www.creditvalleyca.ca/low-impact-development/lid-maintenance-monitoring/lid-monitoring-sites/ Credit Valley Conservation's LID Monitoring program]. For a global perspective on LID performance across various geographical regions, check out the [http://www.bmpdatabase.org/index.htm International Stormwater BMP Database]. Performance data can be downloaded or uploaded and statistical analysis tools are provided.
Resources for evaluating LID practices within Ontario can be found at [http://www.sustainabletechnologies.ca/wp/home/urban-runoff-green-infrastructure/low-impact-development/ Sustainable Technologies Evaluation Program (STEP)] and [http://www.creditvalleyca.ca/low-impact-development/lid-maintenance-monitoring/lid-monitoring-sites/ Credit Valley Conservation's LID Monitoring program]. For a global perspective on LID performance across various geographical regions, check out the [http://www.bmpdatabase.org/index.htm International Stormwater BMP Database]. Performance data can be downloaded or uploaded and statistical analysis tools are provided.