Washington Administrative Code › Title 51 - Enterprise Services, Department of (Building Code Council) › Chapter 51-50 - State Building Code adoption and amendment of the 2021 edition of the International Building Code › Section 51-50-0429 - Section 429-Electric vehicle charging infrastructure

Current through Register Vol. 24-14, July 15, 2024
429.1
General.
The provisions of this section shall apply to the
			 construction of new buildings and accessory structures, including parking lots
			 and parking garages.
Electric vehicle supply equipment (EVSE) shall be installed in
				accordance with applicable requirements of chapter 19.28 RCW and the National
				Electrical Code, Article 625.
EXCEPTION:
Electric vehicle charging infrastructure is not
						  required if any of the following conditions are met:
1. There is no public utility or commercial power
						  supply.
2. Dwelling units without garages or other on-site
						  parking.
429.2
Electric vehicle (EV) charging infrastructure.
Buildings and
			 accessory structures shall be provided with EV charging stations, EV-Ready
			 parking spaces, and EV-capable parking spaces in accordance with Table 429.2.
			 Calculations shall be rounded up to the nearest whole number. Where a building
			 contains more than one occupancy, the electric vehicle charging infrastructure
			 percentages of Table 429.2 shall be applied to the number of spaces required
			 for each occupancy.
EXCEPTIONS:
1. Except for Group A, Group E, and Group M
						  occupancies, on-site parking with less than 10 parking spaces shall not be
						  required to comply with Section 429.2.
2. Group A, Group E, and Group M occupancies shall
						  comply with one of the following, whichever is greater:
2.1. The provisions of Section 429.2 shall apply only
						  to designated employee parking spaces.
2.2. One of each 200 parking spaces or fraction thereof
						  shall be EV Ready. One of each 200 parking spaces or fraction thereof shall be
						  an EV Charging Station.
Table 429.2 Electric Vehicle Charging
				Infrastructure
Occupancy
Number of EV Charging
						  Stations
Number of EV-Ready Parking
						  Spaces
Number of EV-Capable Parking
						  Spaces
Group A, B, E, F, H, I, M, and S occupancies
10% of total parking spaces
10% of total parking spaces
10% of total parking spaces
Group R occupancies
Buildings that do not contain more than two dwelling
						  units
Not required
One for each dwelling unit
Not required
Dwelling units with private garages
Not required
One for each dwelling unit
Not required
All other Group R occupancies
10% of total parking spaces
25% of total parking spaces
10% of total parking spaces
429.2.1
EV
			 charging stations and EV-Ready parking spaces.
A minimum of 40-ampere
			 dedicated 208/240-volt branch circuit shall be installed for each EV Ready
			 parking space and each EV Charging Station. The branch circuits shall terminate
			 at a receptacle outlet or EV charger in close proximity to the proposed
			 location of the EV Ready parking space or the EV Charging Station.
429.2.2
EV-Capable parking
			 spaces.
A listed raceway capable of accommodating a minimum of 40-ampere
			 dedicated 208/240-volt branch circuit shall be installed for each EV-Capable
			 parking space. The raceway shall terminate into a cabinet, box or other
			 enclosure in close proximity to the proposed location of the EV-Capable parking
			 space. Raceways and related components that are planned to be installed
			 under-ground, and in enclosed, inaccessible or concealed areas and spaces,
			 shall be installed at the time of original construction.