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→Planning Considerations
<h4>Site Scale</h4>
<h4>Site Scale</h4>
<h5>Place in the Treatment Train</h5>
<h5>Place in the Treatment Train</h5>
In most cases the catchment area will be the roof of the building and the rain barrel will be the first interception of water from the downspout.<br>
<p>In most cases the catchment area will be the roof of the building and the rain barrel will be the first interception of water from the downspout. Planning questions:
How many downspouts does the roof have? Will more than one barrel be required? Do the downspouts require reconfiguration?
<ul>
<li>How many downspouts does the roof have? </li>
<li> Will more than one barrel be required? </li>
<li> Do the downspouts require reconfiguration? </li>
</ul>
<h4>Cistern</h4>
<h4>Cistern</h4>
Expansion caused by freezing water will damage the barrel. The easiest way to prevent this damage is to drain and disconnect the system in advance of [[Winter#Freezing and Expansion|sub-zero temperatures]][http://climate.weather.gc.ca/climate_normals/].
Expansion caused by freezing water will damage the barrel. The easiest way to prevent this damage is to drain and disconnect the system in advance of [[Winter#Freezing and Expansion|sub-zero temperatures]][http://climate.weather.gc.ca/climate_normals/].