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<h3>Geometry and Site Layout</h3>
→Planning considerations
==Planning considerations==
==Planning considerations==
Permeable pavements are surfaces that encourage infiltration. They can be used in place of conventional asphalt or concrete pavement. These alternatives contain pores, spaces and joints for allowing stormwater to pass through to a stone base, where it infiltrates into underlying native soils or is temporarily detained. Types of permeable pavement include:
*Pervious concrete
*Porous asphalt
*Permeable interlocking concrete pavers (PICP, or just permeable pavers)
===Geometry and Site Layout===
Permeable paving can be used for entire parking lot areas or driveways and can be designed to receive runoff from adjacent impervious surfaces. For example, the parking spaces in a parking lot may be permeable pavers while the drive lanes themsevles are impervious asphalt.
Permeable paving can be used for entire parking lot areas or driveways and can be designed to receive runoff from adjacent impervious surfaces. For example, the parking spaces in a parking lot may be permeable pavers while the drive lanes themsevles are impervious asphalt.