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Inspiration Card
Nature Based Solution
Constructed Wetlands & Built Structures for Water Management

N18 Permeable Paving System

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Challenges
Climate Resilience Water Management Natural and Climate Hazards Biodiversity Enhancement Air Quality Health and Well-being Social Justice and Social Cohesion
Description

Permeable paving systems are surfaces that are able to absorb storm water, thereby minimizing and delaying surface water runoff, while reducing the amount of some pollutants. After storm events, the water either trickles through the permeable surfaces itself (e.g. porous asphalt, permeable concrete), or through gaps or funnels between pavers. Water is then temporarily stored in the underlying stone layer and infiltrates into the soil or to an additional drainage layer that conveys water to the sewage system. While solutions like permeable concrete provide a homogenous surface, others, like vegetated grid pavers, can increase the share of substrate and support vegetation.

Conditions for Implementation
  • Implementation on new or existing building sites
  • Prior analysis of the soil is necessary
  • Compatibility with all kinds of street usage should be considered
Similar Terminology
Permeable pavement
Draining pavements
Performance
    Cooling Service Transpiration
    Shading
    Evaporation
    Building (Insulation)
    Reflection (Albedo)
    Surface Water Regulation Water Conveyance
    Water Infiltration
    Water Retention
    Water Storage
    Water Reuse
    Water Purification Water Filtering
    Water Bio-remediation
    Air Purification and Noise Reduction Deposition
    Air Biofiltration
    Noise Reduction
    Biodiversity Habitat Provision
    Connectivity
    Socio-Cultural Services Beauty / Appearance
    Usability / Functionality
    Social Interaction
    Education
    Provisioning Service Food / Energy / Material
    Climate Regulation CO2 Sequestration