Difference between revisions of "Permeable paving"

Latest revision as of 18:38, 6 August 2020

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Permeable pavements

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+#REDIRECT [[Permeable pavements]]
-==Overview==
-{{textbox|Permeable paving is ideal for:
-*Projects which accommodate light vehicular traffic or pedestrian traffic,
-*Sites which cannot accommodate additional surface area for bioretention}}
-'''The fundamental components of a permeable paving system are:'''
-*interlocking blocks with infiltration spaces between, '''or'''
-*a poured in place surface without fines, so that the finish is pervious to water
-*a bedding course to stabilize the surface
-*underground storage layer of aggregate.
-'''Additional components may include:'''
-*an underdrain system
-==Planning considerations==
-<h3>Geometry and Site Layout</h3>
-Permeable paving can be used for entire parking lot areas or driveways or can be designed to receive runoff from adjacent impervious surfaces
-For example, the parking spaces of a parking lot may be permeable pavers while the drive lanes are impervious asphalt.
-In general, the impervious area should not exceed 1.2 times the area of the permeable pavement which receives the runoff.
-A hybrid permeable pavement/soakaway design can feature connection of a roof downspout directly to the stone reservoir of the permeable pavement system, which is sized to store runoff from both the pavement surface and the roof drainage area.
-<h3>Pretreatment</h3>
-In most designs, the surface acts as pretreatment to the stone reservoir below. Periodic vacuum sweeping and preventative measures like not storing snow or other materials on the pavement are critical to prevent clogging.
-<h3>Landscaping</h3>
-Landscaped areas must drain away from permeable pavement to prevent sediments from running onto the surface. Urban [[trees]] will benefit from being surrounded by permeable pavement rather than impervious cover, because their roots receive more air and water. Interlocking pavers used around the base of a tree may be removed as the tree grows.
-==Design==
-<h3>Modeling permeable paving in the Treatment Train Tool/h3>
-[[Permeable paving: TTT]]
-<h3>Materials</h3>
-<h4>Stone Reservoir</h4>
-The stone reservoir must meet both runoff storage and structural support requirements.
-The bottom of the reservoir should be level so that water infiltrates evenly. If the system is not designed for infiltration, the bottom should slope at 1 - 5% toward the underdrain.
-<h4>Geotextile</h4>
-{{:Geotextiles}}
-==Proprietary Links==
-{{:Disclaimer}}
-<h3>Pre-cast</h3>
-*[https://unilock.com/products/driveways/eco-optiloc/?region=1 Eco-Optioc, Unilock]
-*[https://oakspavers.com/products/enviro-pavers Enviro Pavers, Oaks]
-*[http://nilex.com/products/pavedrain Pavedrain, distributed by Nilex]
-*[http://santerrastonecraft.com/landscape/paving-stones/terra-flo Terra flo, Santerra]
-*[http://www.storm-crete.com/ Stormcrete]
-<h3>Poured in place</h3>

Difference between revisions of "Permeable paving"

Latest revision as of 18:38, 6 August 2020

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