ABA Accessibility Standard for GSA Facilities Pocket Guide
F221.2.3 Lines of Sight and Dispersion.
Wheelchair spaces shall provide lines of sight complying with 802.2 and shall comply with F221.2.3. In providing lines of sight, wheelchair spaces shall be dispersed. Wheelchair spaces shall provide spectators with choices of seating locations and viewing angles that are substantially equivalent to, or better than, the choices of seating locations and viewing angles available to all other spectators. When the number of wheelchair spaces required by F221.2.1 has been met, further dispersion shall not be required. [ECTCR UFAS 4.33.3, 4.1.6(4)(f)(i)]
EXCEPTION: Wheelchair spaces in team or player seating areas serving areas of sport activity shall not be required to comply with F221.2.3.
F221.2.3.1 Horizontal Dispersion.
Wheelchair spaces shall be dispersed horizontally. [ECTCR UFAS 4.33.3, 4.1.6(4)(f)(i)]
EXCEPTIONS: 1. Horizontal dispersion shall not be required in assembly areas with 300 or fewer seats if the companion seats required by F221.3 and wheelchair spaces are located within the 2nd or 3rd quartile of the total row length. Intermediate aisles shall be included in determining the total row length. If the row length in the 2nd and 3rd quartile of a row is insufficient to accommodate the required number of companion seats and wheelchair spaces, the additional companion seats and wheelchair spaces shall be permitted to be located in the 1st and 4th quartile of the row. [ECTCR UFAS 4.33.3, 4.1.6(4)(f)(i)]
2. In row seating, two wheelchair spaces shall be permitted to be located side-by-side.
F221.2.3.2 Vertical Dispersion.
Wheelchair spaces shall be dispersed vertically at varying distances from the screen, performance area, or playing field. In addition, wheelchair spaces shall be located in each balcony or mezzanine that is located on an accessible route. [ECTCR UFAS 4.33.3, 4.1.6(4)(f)(i)]
EXCEPTIONS: 1. Vertical dispersion shall not be required in assembly areas with 300 or fewer seats if the wheelchair spaces provide viewing angles that are equivalent to, or better than, the average viewing angle provided in the facility. [ECTCR UFAS 4.33.3, 4.1.6(4)(f)(i)]
2. In bleachers, wheelchair spaces shall not be required to be provided in rows other than rows at points of entry to bleacher seating.
Advisory F221.2.3.2 Vertical Dispersion. When wheelchair spaces are dispersed vertically in an assembly facility they are placed at different locations within the seating area from front-to-back so that the distance from the screen, stage, playing field, area of sports activity, or other focal point is varied among wheelchair spaces.
Advisory F221.2.3.2 Vertical Dispersion Exception 2. Points of entry to bleacher seating may include, but are not limited to, cross aisles, concourses, vomitories, and entrance ramps and stairs. Vertical, center, or side aisles adjoining bleacher seating that are stepped or tiered are not considered entry points.
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