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(→Rainwater collection methods: added another image of conjoined rain barrels, and a better image for the single rain barrel.) |
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=== ' | |||
=== 'Dry' system rain barrels === | |||
This method is a variation of a rain barrel set-up simply involving a larger storage volume / barrel. The collection pipe connects to the top of the barrel and 'dries' after each collection. It is designed for less frequent and larger downpours. | This method is a variation of a rain barrel set-up simply involving a larger storage volume / barrel. The collection pipe connects to the top of the barrel and 'dries' after each collection. It is designed for less frequent and larger downpours. | ||
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* Needs more space | * Needs more space | ||
* The storage tank must be located next to your house | * The storage tank must be located next to your house | ||
=== 'Wet' system rain barrels === | |||
[[File:Rainwater catchment wet system.jpg|thumb|Illustration showing a catchment system from any number of downspouts passing through a simple 'trough' sand filter, with underground storage, providing potable water to the building.]] | |||
With this method the collection pipes are located underground in order to connect multiple downspouts from different gutters. The rainwater floods the underground piping pushes the water up in vertical pipes until it spills into the tank. The downspouts and underground collection piping must have water-tight connections. The elevation of the tank inlet must be below the lowest gutter on the house or building. | |||
Pros: | |||
The ability to collect from your entire collection surface | |||
The ability to collect from multiple gutters and downspouts | |||
The tank can be located away from your house | |||
Cons: | |||
More expensive to implement due to underground piping | |||
Sufficient difference between gutters and tank inlet must be available | |||
== Linkdump == | == Linkdump == |