Table 4.6 - Designated Aisle Seats
Current Guidelines:  4.1.3  Accessible Buildings: New Construction.  Accessible buildings and facilities shall meet the following minimum requirements: . . .

(19) Assembly areas.

(a) … In addition, one percent but not less than one, of all fixed seats shall be aisle seats with no armrests on the aisle side, or removable or folding armrests on the aisle side.  Each such seat shall be identified by a sign or marker.  Signage notifying patrons of the availability of such seats shall be posted at the ticket office. Aisle seats are not be required to comply with 4.33.4.

Proposed Rule:  221.4  Designated Aisle Seats.  Aisle seats complying with 802.8 shall be provided in all assembly areas.  Signs notifying patrons of the availability of such seats shall be posted at the ticket office.

Exception:  Designated aisle seats are not required in luxury boxes, club boxes, or suites.

221.4.1  Number.  One designated aisle seat complying with 802.8 per 100 seats, or fraction thereof shall be provided.
221.4.2  Location.  At least one of each four required designated aisle seats shall be located on an accessible route.  All other required designated aisle seats shall be located not more than two rows from an accessible route serving such seats.

802.8  Designated Aisle Seats.  Removable or folding armrests or no armrests shall be provided on the aisle side of designated aisle seats.  Each such seat shall be identified by a sign or marker. 
 

Final Revised Guidelines:  221.4  Designated Aisle Seats.  At least 5 percent of the total number of aisle seats provided shall comply with 802.4 and shall be the aisle seats located closest to accessible routes. . . .

802.4  Designated Aisle Seats.  Designated aisle seats shall comply with 802.4.

802.4.1  Armrests.  Where armrests are provided on the seating in the immediate area, folding or retractable armrests shall be provided on the aisle side of the seat.

802.4.2  Identification.  Each designated aisle seat shall be identified by a sign or marker.
Model Codes & Standards
IBC 2000:  No requirement for designated aisle seats.

IBC 2003:  Section 1108.2.6 has an equivalent requirement for the number of designated aisle seats.