406.4.5 Floor surface.

Parking surfaces shall be of concrete or similar noncombustible and nonabsorbent materials. The area of floor used for parking of vehicles shall be sloped to facilitate the movement of liquids to a drain.

   Exceptions:

      1.   Asphalt parking surfaces shall be permitted at ground level.

      2.   Floors of Group S-2 parking garages shall not be required to have a sloped surface.

406.4.6 Separation.

Parking garages shall be separated from other occupancies in accordance with Section 508.1.

406.4.7 Special hazards.

Connection of a parking garage with any room in which there is a fuel-fired appliance shall be by means of a vestibule providing a two-doorway separation. Such vestibule and doorway shall be minimum 1-hour rated construction.

   Exception: A single door shall be allowed provided the sources of ignition in the appliance are not less than 18 inches (457 mm) above the floor.

406.4.8 Attached to rooms.

Openings from a parking garage directly into a room used for sleeping purposes shall not be permitted.

406.4.9 Fire-fighter aisles.

In any parking garage or lot, one or more aisles, at least 24 inches (610 mm) in width, shall be provided to permit access by fire fighting personnel to all parts of the garage or lot. There shall not be more than three rows of parked motor vehicles between aisles.

406.4.10 Electric vehicle charging stations.

Editor's note: this section has been amended by L.L. 2024/055, 4/6/2024, eff. 12/21/2025. For related unconsolidated provisions, see Appendix A at L.L. 2024/055.

Parking garages shall be capable of supporting electrical vehicle charging stations in accordance with this section. Electrical raceway to the electrical supply panel serving the garage shall be capable of providing a minimum of 3.1 kW of electrical capacity to at least 20 percent of the parking spaces of the garage. The electrical room supplying the garage must have the physical space for an electrical supply panel sufficient to provide 3.1 kW of electrical capacity to at least 20 percent of the parking spaces of the garage. Such raceway and all components and work appurtenant thereto shall be in accordance with the York City Electrical Code.

   Exceptions:

      1.   The provisions of this section shall not apply to parking garages for buildings of occupancy group M (Mercantile).

      2.   The commissioner may waive compliance with this section if the commissioner determines that the parking garage is a temporary facility that will be in service no longer than three years.

      3.   The provisions of this section shall not apply to parking garages for buildings in which not less than 50 percent of the residential units are for households earning up to 60 percent of the area median income as determined by the United States Department of Housing and Urban Development.

Editor's note: For related unconsolidated provisions, see Appendix A at L.L. 2013/130.

406.5 Open parking garages.

Open parking garages shall comply with Sections 406.5.1 through 406.5.11.

406.5.1 Construction.

Open parking garages shall be of Type I, II or IV construction. Open parking garages shall meet the design requirements of Chapter 16. For vehicle barriers, see Section 406.4.3.

406.5.2 Openings.

For natural ventilation purposes, the exterior side of the structure shall have uniformly distributed openings on two or more sides. The area of such openings in exterior walls on a tier shall be not less than 20 percent of the total perimeter wall area of each tier. The aggregate length of the openings considered to be providing natural ventilation shall be not less than 40 percent of the perimeter of the tier. Interior walls shall be not less than 20 percent open with uniformly distributed openings.

   Exception: Openings are not required to be distributed over 40 percent of the building perimeter where the required openings are uniformly distributed over two opposing sides of the building.