CHAPTER 5: GENERAL SITE AND BUILDING ELEMENTS
TECHNICAL
502.3.4 Location.
Access aisles shall not overlap the
vehicular way
.
Access aisles shall be
permitted to be placed on either side of the parking
space
except for angled van parking
spaces
which shall have access aisles located on the passenger side of the parking
spaces
.
502.4 Floor or Ground Surfaces.
Parking
spaces
and access aisles serving them shall comply with
302.
Access aisles shall be at the same level as the parking
spaces
they serve.
Changes in level are
not permitted.
EXCEPTION:
Slopes not steeper than 1:48 shall be permitted.
502.5 Vertical Clearance.
Parking
spaces
for vans and access aisles and vehicular routes serving
them shall provide a vertical clearance of 98 inches (2490 mm) minimum.
502.6 Identification.
Parking
space
identification signs shall include the International Symbol of
Accessibility
complying with 703.7.2.1.
Signs identifying van parking
spaces
shall contain the
designation “van accessible.”
Signs shall be 60 inches (1525 mm) minimum above the finish floor or
ground surface measured to the bottom of the sign.
502.7 Relationship to Accessible Routes.
Parking
spaces
and access aisles shall be designed so
that cars and vans, when parked, cannot obstruct the required clear width of adjacent
accessible
routes.
Advisory 502.3.4 Location.
Wheelchair lifts typically are installed on the passenger side of
vans.
Many drivers, especially those who operate vans, find it more difficult to back into
parking spaces than to back out into comparatively unrestricted vehicular lanes.
For this
reason, where a van and car share an access aisle, consider locating the van space so that
the access aisle is on the passenger side of the van space.
Advisory 502.4 Floor or Ground Surfaces.
Access aisles are required to be nearly level
in all directions to provide a surface for wheelchair transfer to and from vehicles.
The
exception allows sufficient slope for drainage.
Built-up curb ramps are not permitted to
project into access aisles and parking spaces because they would create slopes greater
than 1:48.
Advisory 502.5 Vertical Clearance.
Signs provided at entrances to parking facilities
informing drivers of clearances and the location of van accessible parking spaces can
provide useful customer assistance.
Advisory 502.6 Identification.
The required “van accessible” designation is intended to be
informative, not restrictive, in identifying those spaces that are better suited for van use.
Enforcement of motor vehicle laws, including parking privileges, is a local matter.
Advisory 502.7 Relationship to Accessible Routes.
Wheel stops are an effective way to
prevent vehicle overhangs from reducing the clear width of accessible routes.
2010 Standards: Titles II and III
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151
Department of Justice