A4.106.4 Water Permeable Surfaces
Permeable paving is utilized for the parking, walking or patio surfaces in compliance with the following.
Tier 1. Not less than 20 percent of the total parking, walking or patio surfaces shall be permeable.
Tier 2. Not less than 30 percent of the total parking, walking or patio surfaces shall be permeable.
- The primary driveway, primary entry walkway and entry porch or landing shall not be included when calculating the area required to be a permeable surface.
- Required accessible routes for persons with disabilities as required by California Code of Regulations, Title 24, Part 2, Chapter 11A and/or Chapter 11B as applicable.