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General. The 1991 Standards at sections 4.1.3(9); 4.1.6(1)(g); and 4.3.10 establish scoping and technical requirements for accessible means of egress. Section 207.1 of the 2010 Standards reference the International Building Code (IBC) for scoping and technical requirements for accessible means of egress.

The 1991 Standards require the same number of accessible means of egress to be provided as the number of exits required by applicable building and fire codes. The IBC requires at least one accessible means of egress and at least two accessible means of egress where more than one means of egress is required by other sections of the building code. The changes in the 2010 Standards are expected to have minimal impact since the model fire and life safety codes, which are adopted by all of the states, contain equivalent requirements with respect to the number of accessible means of egress.

The 1991 Standards require areas of rescue assistance or horizontal exits in facilities with levels above or below the level of exit discharge. Areas of rescue assistance are spaces that have direct access to an exit, stair, or enclosure where individuals who are unable to use stairs can go to call for assistance and wait for evacuation. The 2010 Standards incorporate the requirements established by the IBC. The IBC requires an evacuation elevator designed with standby power and other safety features that can be used for emergency evacuation of individuals with disabilities in facilities with four or more stories above or below the exit discharge level, and allows exit stairways and evacuation elevators to be used as an accessible means of egress in conjunction with areas of refuge or horizontal exits. The change is expected to have minimal impact since the model fire and life safety codes, adopted by most states, already contain parallel requirements with respect to evacuation elevators.

The 1991 Standards exempt facilities equipped with a supervised automatic sprinkler system from providing areas of rescue assistance, and also exempt alterations to existing facilities from providing an accessible means of egress. The IBC exempts buildings equipped with a supervised automatic sprinkler system from certain technical requirements for areas of refuge, and also exempts alterations to existing facilities from providing an accessible means of egress.

The 1991 and 2010 Standards require signs that provide direction to or information about functional spaces to meet certain technical requirements. The 2010 Standards, at section 216.4, address exit signs. This section is consistent with the requirements of the IBC. Signs used for means of egress are covered by this scoping requirement. The requirements in the 2010 Standards require tactile signs complying with sections 703.1, 703.2 and 703.5 at doors at exit passageways, exit discharge, and at exit stairways. Directional exit signs and signs at areas of refuge required by section 216.4.3 must have visual characters and features complying with section 703.5.

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