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{{:Permeable paving: Specifications}}
{{:Permeable paving: Specifications}}


===Aggregates===
===Foundation aggregates===
[[File:Geogitter-4.jpg|thumb|Geogrids like these are sometimes incorporated into the layers of permeable pavement foundation aggregates to provide additional stability]]
[[File:Geogitter-4.jpg|thumb|Geogrids like these are sometimes incorporated into the layers of permeable pavement foundation aggregates to provide additional stability]]
Most [[OPSS aggregates]] are not recommended for use in permeable paving systems.  
Most [[OPSS aggregates]] are not recommended for use in permeable paving systems. The exception being type 'o' with a default void ratio of 0.3.  
[[Choker layer]]
*[[Choker layer]]
[[Reservoir aggregate]]
*[[Reservoir aggregate]]
 
===Geotextile===
===Geotextile===
[[Geotextiles]] are not always necessary and may be prone to [[clogging]]. Consider using courses of finer aggregates or sand instead.
[[Geotextiles]] are not always necessary and may be prone to [[clogging]]. Consider using courses of finer aggregates or sand instead.

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