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*'''Sediment Control''': The treatment area should be fully protected during construction so that no sediment reaches the permeable pavement system. Construction vehicle traffic should not be permitted on the permeable pavement and its drainage areas once the pavement has been installed.
*'''Sediment Control''': The treatment area should be fully protected during construction so that no sediment reaches the permeable pavement system. Construction vehicle traffic should not be permitted on the permeable pavement and its drainage areas once the pavement has been installed.
*'''Base Construction''': Aggregate should be placed in 100 mm to 150 mm lifts and compacted with a minimum 9 ton steel drum vibratory roller. A light weight deflectometer may be used to test compaction level of open graded stone and compare to specifications.
*'''Base Construction''': Aggregate should be placed in 100 mm to 150 mm lifts and compacted with a minimum 9 ton steel drum vibratory roller. A light weight deflectometer may be used to test compaction level of open graded stone and compare to specifications.
*'''Weather''': Porous asphalt and pervious concrete require a specific temperature range to set properly and the setting time can be several days.<ref>City of Portland. 2004. Portland Stormwater Management Manual. Prepared by the Bureau of Environmental Services (BES). Portland, OR.</ref>
*'''Weather''': Porous asphalt and pervious concrete require a specific temperature range to set properly and the setting time can be several days.<ref>City of Portland. 2004. Portland Stormwater Management Manual. Prepared by the Bureau of Environmental Services (BES). Portland, OR.</ref>
==Inspection and Maintenance==
==Inspection and Maintenance==
Permeable pavements require regular inspection and maintenance to ensure proper functioning. The limiting factor for permeable pavements is clogging of the surface course or joint filler between pavers. As these start to fill, the trapped sediment becomes finer and finer until they eventually become clogged. Ideally, signs should be posted on the site identifying permeable pavement. This can also serve as a public awareness and education opportunity. See: [[Permeable paving: Maintenance|Permeable pavement: Maintenance]]
Permeable pavements require regular inspection and maintenance to ensure proper functioning. The limiting factor for permeable pavements is clogging of the surface course or joint filler between pavers. As these start to fill, the trapped sediment becomes finer and finer until they eventually become clogged. Ideally, signs should be posted on the site identifying permeable pavement. This can also serve as a public awareness and education opportunity. See: [[Permeable paving: Maintenance|Permeable pavement: Maintenance]]
!'''LID Practice'''
!'''LID Practice'''
!'''Location'''
!'''Location'''
!'''Runoff Reduction<sup>1</sup>'''
!'''{{H:title|Note: Runoff reduction estimates are based on differences between runoff volume from the practice and total precipitation over the period of monitoring unless otherwise.|Runoff Reduction}}'''
!'''Reference'''
!'''Reference'''
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|style="text-align: center;" |Guelph, Ontario
|style="text-align: center;" |Guelph, Ontario
|style="text-align: center;" |90%
|style="text-align: center;" |90%
|style="text-align: center;" |James (2002)
|style="text-align: center;" |James (2002)<ref>James, W. 2002. Green Roads: Research into Permeable Pavers. Stormwater.
March/April.</ref>
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|style="text-align: center;" |Pennsylvania
|style="text-align: center;" |Pennsylvania
|style="text-align: center;" |90%
|style="text-align: center;" |90%
|style="text-align: center;" |Kwiatkowski et al. (2007)
|style="text-align: center;" |Kwiatkowski et al. (2007)<ref>Kwiatkowski, M., Welker, A.L., Traver, R.G., Vanacore, M., Ladd. T. 2007. Evaluation of an infiltration best management practice utilizing pervious concrete. Journal of the American Water Resources Association. Vol. 43. No. 5. pp. 1208-1222.</ref>
|-
|-
|style="text-align: center;" |France
|style="text-align: center;" |France
|style="text-align: center;" |97%
|style="text-align: center;" |97%
|style="text-align: center;" |Legret and Colandini (1999)
|style="text-align: center;" |Legret and Colandini (1999)<ref>Legret, M and V. Colandani. 1999. Effects of a porous pavement structure with a reservoir structure on runoff water: water quality and fate of metals. Water Science and Technology. 39(2): 111-117</ref>
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|style="text-align: center;" |Washington
|style="text-align: center;" |Washington
|style="text-align: center;" |97 to 100%
|style="text-align: center;" |97 to 100%
|style="text-align: center;" |Brattebo and Booth (2003)
|style="text-align: center;" |Brattebo and Booth (2003)<ref>Brattebo, B. and D. Booth. 2003. Long term stormwater quantity and quality
performance of permeable pavement systems. Water Research 37(18): 4369-4376 </ref>
|-
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|style="text-align: center;" |Connecticut
|style="text-align: center;" |Connecticut
|style="text-align: center;" |72%<sup>2</sup>
|style="text-align: center;" |72%<sup>2</sup>
|style="text-align: center;" |Gilbert and Clausen (2006)
|style="text-align: center;" |Gilbert and Clausen (2006)<ref>Gilbert, J. and J. Clausen. 2006. Stormwater runoff quality and quantity from asphalt,
paver and crushed stone driveways in Connecticut. Water Research 40: 826-832.</ref>
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|style="text-align: center;" |King City, Ontario
|style="text-align: center;" |King City, Ontario
|style="text-align: center;" |99%<sup>4</sup>
|style="text-align: center;" |99%<sup>4</sup>
|style="text-align: center;" |TRCA (2008b)
|style="text-align: center;" |[https://sustainabletechnologies.ca/app/uploads/2013/03/PP_FactsheetSept2011-compressed.pdf/TRCA (2008b)]
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|rowspan="7" style="text-align: center;" | Permeable pavement with underdrain
|rowspan="7" style="text-align: center;" | Permeable pavement with underdrain