23.70.040 Local Amendment Regarding Electric Vehicle Charging For New Multifamily Residential Construction
(a) Green Building Code Section 18.104.22.168, "New multifamily dwellings," is amended to require the Residential Voluntary Tier 1 Measure for EV charging space calculation per Section A22.214.171.124, "New multifamily dwellings," as follows:
Tier 1: 15 percent of the total number of parking spaces on a building site, provided for all types of parking facilities, but in no case less than one, shall be electric vehicle charging spaces (EV spaces) capable of supporting future electric vehicle supply equipment (EVSE). Calculations for required number of EV spaces shall be rounded up to the nearest whole number.
Requirements related to EV spaces for multifamily residential projects can be found in Green Building Code Sections 126.96.36.199.3 "Single EV space required" and 188.8.131.52.4 "Multiple EV spaces required."