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4.1.7 Accessible Buildings: Historic Preservation

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EXCEPTION: In instances of alteration work where provision of a standard stall (Fig. 30(a)) is structurally impracticable or where plumbing code requirements prevent combining existing stalls to provide space, an alternate stall (Fig. 30(b)) may be provided in lieu of the standard stall

( Assembly areas.

(i) in alterations where it is structurally impractic able to disperse seating throughout the assembly area, seating may be located in collected areas as structurally feasible. Seating shall adjoin an access. ible route that also serves as a means of emergency egress.

(*) In alterations where it is structurally imprac licable to alter all performing areas to be on an accessible route, then at least one of each type shall be made accessible.

(5) Housing (Reserved).

4.1.7 Accessible Buildings: Historic Preservation

(1) Applicability.

(a). As a general rule, the accessibility provisions of part 4 shall be applied to "qualified" historic buildings and facilities. "Qualified buildings or facilities are those buildings and facilities that are eligible for listing in the National Register of Historic Places, or such properties designated as historic under a statute of the appropriate state or local government body. Comments of the Advisory Council on Historic Preservation shall be obtained when required by Section 106 of the National Historic Preservation Act of 1966, as amended, 16 U.S.C. 470 and 36 CFR Part 800, before any alteration to a qualified historic building.

(b) The Advisory Council shall determine, on a case-by-case basis, whether provisions required by part 4 for accessible routes (exterior and interior). ramps, entrances, toilets, parking, and displays and signage, would threaten or destroy the historic significance of the building or facility.

(c) If the Advisory Council determines that any of the accessibility requirements for features listed in 4.1.7(1) would threaten or destroy the historic significance of a building or facility, then the special application provisions of 4.1.7(2) for that feature may be utilized. The special application pro. visions listed under 4.1.7(2) may only be utilized following a written determination by the Advisory Council that application of a requirement contained in part 4 would threaten or destroy the historic integrity of a qualified building or facility.

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