PARKING

GENERAL INFORMATION & REQUIRED DETAILS:

• Asphalt is typically the most prevalent parking area material. Other options for parking areas are pervious pavers or pervious asphalt. These should be considered when installing new parking and/or the parking area contributes to stormwater management at the site. To properly maintain and make effective repairs, constantly inspect for cracks, sinking, potholes and other large changes in elevation.

  • Pervious asphalt contributes to onsite stormwater management by allowing the water to slowly infiltrate into the subgrade and groundwater supply, reducing the demand on the sewer system. It can also help improve the water quality since contaminants are filtered as the water infiltrates into the subgrade.

  • During construction, take measures to prevent stone reservoir and pavement from getting clogged with runoff and construction dust/materials.

    • Preventative maintenance for pervious asphalt includes:

      • Inspect infiltration rates annually during rain storms to make sure the asphalt is still effective.

      • Vacuum or power wash (for silt/sand/fine materials) as needed, no less than once a year.

      • Never sealcoat or crack seal to patch like regular asphalt.

    • Winter maintenance includes:

      • There are no special requirements for plowing.

      • This asphalt reduces the need for deicers since water can drain quickly through when it storms.

      • Never use sand on pervious asphalt. It clogs the surface and prevents infiltration.