406.9.7 Special provisions applicable to large open parking lots.

Open parking lots storing ten or more motor vehicles shall also be subject to the special provisions of this section.

406.9.7.1 Curbs and bumpers.

Bumpers shall be situated not less than 1 foot (305 mm) from the perimeter edge of the open parking lot where vehicles are parked parallel to such perimeter edge, and not less than 4 feet (1219 mm) from the perimeter edge where vehicles are parked perpendicular to such perimeter edge. Openings shall be limited as provided for in Section 406.9.5.1.

   Exception: A steel guardrail or other substantial barrier designed in accordance with the provisions of Section 1607.9, that will prevent any part of a vehicle from extending across a property line, may be accepted in lieu of bumpers.

406.9.7.2 Screen enclosures.

Open parking lots shall provide a perimeter screen enclosure as per this section unless otherwise required by the New York City Zoning Resolution. Such screen enclosure may be constructed as a masonry wall, woven wire fence, iron picket fence, or uniformly painted fence of fire-resistant material at least 4 feet (1219 mm) high, but not more than 8 feet (2438 mm) above finished grade, subject to the limitations of Section 3111. Such enclosures shall completely separate the lot from adjoining premises and public sidewalks. Openings shall be limited as provided for in Section 406.9.5.1.

   Exception: Screening shall not be required for any portion of the lot adjacent to an existing wall located at the lot line.

406.9.7.3 Illumination.

Open parking lots operating between 6 p.m. and 6 a.m. shall be adequately illuminated to a minimum of 1 footcandle measured at grade level, distributed over the entire area. Illumination provided with reflectors or floodlights shall be arranged such that the illumination is directed downward and away from adjacent premises.

406.9.7.4 Fire fighter aisles.

In any open parking 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.