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<!--[[File:picture of porous concrete 1.jpg|thumb|300px|alt=illustration of porous concrete|This photo illustrates an example of porous concrete.]]
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{{alert|Permeable pavement can be an important tool for retention and detention of stormwater runoff. Permeable pavement may provide additional benefits, including reducing the need for de-icing chemicals, and providing a durable and aesthetically pleasing surface.|alert-success}}
[[File:Picture of porous asphalt 1.jpg|thumb|300px|alt=illustration of permeable interlocking pavement|Photo 2: An example of permeable interlocking pavement]]
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[[File:mids logo.jpg|300px|right|alt=image of Minimal Impact Design Standards logo]]
[[File:Picture of permeable interlocking concrete pavement 1.jpg|thumb|300px|alt=illustration of permeable interlocking pavement|Photo 3: An example of permeable interlocking pavement]]-->
 
  
[[File:picture of porous concrete 1.jpg|thumb|300px|alt=illustration of porous concrete|This photo illustrates an example of pervious concrete.]]
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[[File:picture of porous concrete 1.jpg|thumb|300px|alt=photo illustrating an example of pervious concrete|<font size=3>An example of pervious concrete.</font size>]]
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[[File:Perm asphalt bikeway.JPG|thumb|300px|alt=permeable asphalt photo|<font size=3>Permeable asphalt bikeway in Germany.</font size>]]
  
Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir where it is temporarily stored and/or infiltrated. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt and permeable interlocking pavers. Permeable pavements have been used for commercial and residential sites to replace traditionally impervious surfaces. These include roads, parking lots, driveways, sidewalks, plazas and patios. While the designs vary, all permeable pavements have a similar structure, consisting of a surface pavement layer, an underlying stone aggregate reservoir layer, optional underdrains and geotextile over uncompacted soil subgrade.
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Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP). Permeable pavements have been used for areas with light traffic at commercial and residential sites to replace traditional impervious surfaces in low-speed roads, alleys, parking lots, driveways, sidewalks, plazas, and patios. While permeable pavements can withstand truck loads, permeable pavement has not been proven in areas exposed to high repetitions of trucks or in high speed areas because its’ structural performance and surface stability have not yet been consistently demonstrated in such applications.  
  
The reservoir thickness is determined by structural and hydrologic design analyses. From a hydrologic perspective, permeable pavement is typically designed to manage rainfall landing on the pavement surface area. It may accept runoff contributed by adjacent impervious areas such as driving lanes or rooftops. However, sediment control from adjacent impervious or vegetated contributing areas is required to avoid clogging of the permeable pavement surface.
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While design details vary, all permeable pavements have a similar structure, consisting of a surface pavement layer, an underlying stone aggregate reservoir layer, optional underdrains and geotextile over uncompacted soil subgrade. From a hydrologic perspective, permeable pavement is typically designed to manage rainfall landing directly on the permeable pavement surface. Permeable pavement surfaces may accept runoff contributed by adjacent impervious areas such as driving lanes or rooftops. The capacity of the underlying reservoir limits the contributing area. Run-on from adjacent vegetated areas is generally not recommended and if it occurs, must be stabilized and not generate sediment as its transport accelerates permeable pavement surface clogging.  
  
{{alert|'''Sediment control from adjacent impervious or vegetated contributing areas is required to avoid clogging of the permeable pavement surface'''|alert-warning}}
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{{alert|'''Sediment control (pretreatment) from adjacent impervious or vegetated contributing areas is ''HIGHLY RECOMMENDED'' to avoid clogging of the permeable pavement surface'''|alert-warning}}
  
[[File:Picture of porous asphalt 1.jpg|thumb|300px|alt=illustration of permeable interlocking pavement|This photo illustrates an example of porous asphalt]]
 
[[File:Picture of permeable interlocking concrete pavement 1.jpg|thumb|300px|alt=illustration of permeable interlocking pavement|This photo illustrates an example of permeable interlocking pavement]]
 
  
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'''The individual articles comprising this section on permeable pavement may be viewed as a [[permeable pavement combined|single article]].''' Note: Due to an unresolved bug, when viewing a formula in a combined article, the math markup (used for equations) is displayed. Please ignore the markup. Thanks.
  
<div class="center" style="width:auto; margin-left:auto; margin-right:auto;"><font size=3>'''{underline|Porous pavement articles}'''</font size>
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<font size=3>[[Acknowledgements for permeable pavement|Acknowledgements]]</font size>
  
<div class="center">[[Overview for permeable pavement]]</div>
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<font size=3><u>'''Permeable pavement articles'''</u></font size>
<div class="center">[[Types of permeable pavement]]</div>
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*[[Overview for permeable pavement]]
<!--<div class="center">[[Design specifications for permeable pavement]]</div>-->
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*[[Types of permeable pavement]]
<div class="center">[[Design criteria for permeable pavement]]</div>
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*[[Design criteria for permeable pavement]]
<div class="center">[[Construction specifications for permeable pavement]]</div>
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*[[Construction specifications for permeable pavement]]
<div class="center">[[Construction observations for permeable pavement]]</div>
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<!--[[Construction observations for permeable pavement]]-->
<div class="center">[[Assessing the performance of permeable pavement]]</div>
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*[[Assessing the performance of permeable pavement]]
<div class="center">[[Operation and maintenance of permeable pavement]]</div>
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*[[Operation and maintenance (O&M) of permeable pavement]]
<!--<div class="center">[[Training, certification and accreditation for permeable pavement]]</div>-->
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*[[Operation and maintenance (O&M) of permeable pavement - supplemental information]]
<div class="center">[[Calculating credits for permeable pavement]]</div>
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*[[Calculating credits for permeable pavement]]
<div class="center">[[Cost-benefit considerations for permeable pavement]]</div>
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<!--[[Cost-benefit considerations for permeable pavement]]-->
<div class="center">[[Additional considerations for permeable pavement]]</div>
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*[[Case studies for permeable pavement]]
<div class="center">[[Links for permeable pavement]]</div>
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*[[Green Infrastructure benefits of permeable pavement]]
<div class="center">[[References for permeable pavement]]</div>
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*[[Summary of permit requirements for infiltration]]
<div style="display:none">#[[Permeable pavement credits]]</div style>
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*[[Permeable pavement photo gallery]]
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*[[Additional considerations for permeable pavement]]
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*[[Links for permeable pavement]]
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<!--*[[External resources for permeable pavement]]-->
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*[[References for permeable pavement]]
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<!--*[[Supporting material for permeable pavement]]-->
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*[[Requirements, recommendations and information for using permeable pavement BMPs in the MIDS calculator]]
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<!--#[[Permeable pavement credits]]-->
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*[[Fact sheets for permeable pavement]]
  
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Several [[Fact sheets for permeable pavement|fact sheets]] for permeable pavement provide overview information and information on design, construction and maintenance, and volume and pollutant removal.
A one page [[Fact sheets for permeable pavement|fact sheet]] for permeable pavement provides overview information, a short summary of design, construction and maintenance considerations, and information on stormwater volume and pollutant removal.
 
  
'''The individual articles comprising this section on permeable pavement may be viewed as a [[permeable pavement combined|single article]].'''
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==Related pages==
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*[[Understanding and interpreting soils and soil boring reports for infiltration BMPs]]
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*[[Determining soil infiltration rates]]
  
[[category:BMP]]
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<noinclude>
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[[Category:BMP]]
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[[Category:Permeable pavement]]
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[[Category:Level 3 - Best management practices/Structural practices/Permeable pavement]]
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</noinclude>

Latest revision as of 18:39, 17 August 2022

Green Infrastructure: Permeable pavement can be an important tool for retention and detention of stormwater runoff. Permeable pavement may provide additional benefits, including reducing the need for de-icing chemicals, and providing a durable and aesthetically pleasing surface.
image of Minimal Impact Design Standards logo
photo illustrating an example of pervious concrete
An example of pervious concrete.
permeable asphalt photo
Permeable asphalt bikeway in Germany.

Permeable pavements allow stormwater runoff to filter through surface voids into an underlying stone reservoir for temporary storage and/or infiltration. The most commonly used permeable pavement surfaces are pervious concrete, porous asphalt, and permeable interlocking concrete pavers (PICP). Permeable pavements have been used for areas with light traffic at commercial and residential sites to replace traditional impervious surfaces in low-speed roads, alleys, parking lots, driveways, sidewalks, plazas, and patios. While permeable pavements can withstand truck loads, permeable pavement has not been proven in areas exposed to high repetitions of trucks or in high speed areas because its’ structural performance and surface stability have not yet been consistently demonstrated in such applications.

While design details vary, all permeable pavements have a similar structure, consisting of a surface pavement layer, an underlying stone aggregate reservoir layer, optional underdrains and geotextile over uncompacted soil subgrade. From a hydrologic perspective, permeable pavement is typically designed to manage rainfall landing directly on the permeable pavement surface. Permeable pavement surfaces may accept runoff contributed by adjacent impervious areas such as driving lanes or rooftops. The capacity of the underlying reservoir limits the contributing area. Run-on from adjacent vegetated areas is generally not recommended and if it occurs, must be stabilized and not generate sediment as its transport accelerates permeable pavement surface clogging.

Caution: Sediment control (pretreatment) from adjacent impervious or vegetated contributing areas is HIGHLY RECOMMENDED to avoid clogging of the permeable pavement surface


The individual articles comprising this section on permeable pavement may be viewed as a single article. Note: Due to an unresolved bug, when viewing a formula in a combined article, the math markup (used for equations) is displayed. Please ignore the markup. Thanks.

Acknowledgements

Permeable pavement articles

Several fact sheets for permeable pavement provide overview information and information on design, construction and maintenance, and volume and pollutant removal.

Related pages

This page was last edited on 17 August 2022, at 18:39.