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A comprehensive understanding of site conditions is critical for [[Screening LID Options]].
A comprehensive understanding of site conditions is critical for [[Screening LID Options]].
== Desktop Analysis of Background Information ==
== Desktop Analysis of Background Information ==
A thorough assessment of background information is critical to understanding site conditions for residential lots or neighborhoods. As you begin gathering and reviewing background information, determine any existing infrastructure gaps and planned upgrades, resident concerns, previous community greening efforts, past water usage and past problems with basement flooding. The following should be considered when conducting a desktop analysis:
A thorough assessment of background information is critical to understanding site conditions for residential lots or neighborhoods. As you begin gathering and reviewing background information, determine any existing infrastructure gaps and planned upgrades, resident concerns, previous community greening efforts, past water usage and past problems with basement flooding. The following sources of information should be considered when conducting a desktop analysis:
* Watershed studies
* Watershed studies
* Subwatershed studies
* Subwatershed studies
==Local bylaws and regulations==
==Local bylaws and regulations==
Be sure to know the relevant local bylaws before developing recommendations. Some LID features may contravene local regulations. Below are some examples of typical bylaws and their potential impact on LID planning:
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* Defines “tall grass” as grasses over a maximum height (typically 20 – 30 cm)
* Defines “tall grass” as grasses over a maximum height (typically 20 – 30 cm)
* Requires tall grass to be cut to a height not exceeding the maximum
* Requires tall grass to be cut to a height not exceeding the maximum height
* Requires all nuisance weeds and weed seeds to be removed from a property by the owner.
* Requires all nuisance weeds and weed seeds to be removed from a property by the owner
* The municipality may carry out the work to bring properties into
* The municipality may carry out the work to bring properties into
* Compliance and recovery costs from the land owner
* Compliance and recovery costs from the land owner
* Restricts low-lying areas, including those that have been excavated and accumulate water, and requires that they be drained, filled and graded so that water drains to a storm sewer or ditch.
* Restricts low-lying areas, including those that have been excavated and accumulate water, and requires that they be drained, filled and graded so that water drains to a storm sewer or ditch.
* Requires that all landscaped areas be cut and maintained in a reasonable condition relative to the neighboring environment
* Requires that all landscaped areas be maintained in a reasonable condition relative to the neighboring environment
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==Field Reconnaissance==
==Field Reconnaissance==
After concluding a desktop analysis, visiting the neighbourhood in question for field reconnaissance may be ideal. Be sure to look for:
After concluding a desktop analysis, visiting the neighbourhood in question for field reconnaissance is be ideal. Be sure to look for:
* Neighbourhood characteristics – general impressions
* Neighbourhood characteristics – general impressions
* General lot characteristics
* General lot characteristics