Section 5.2.3 of NFPA Standard 130 is hereby amended to read as follows:

5.2.3.1.1* Passenger Stairs and Escalators. Stairs and escalators regularly used by passengers for circulation during normal revenue service in enclosed stations equipped throughout with an automatic sprinkler system are not required to be enclosed.

5.2.3.1.2 Open Stations. Public areas on different levels in open stations are permitted to be interconnected.

5.2.3.1.3 Enclosed Stations. Public areas on different levels in enclosed stations shall be permitted to be interconnected, provided fire separation is not required for smoke control or other fire protection purposes.

5.2.3.2* Separation Between Public and Nonpublic Floor Areas. All public areas shall be separated from adjacent nonpublic areas by noncombustible construction except as required in Chapter 5 of the International Building Code.

5.2.3.3 Ancillary Spaces. Fire resistance ratings of separations between ancillary occupancies shall be established in accordance with Chapters 3, 5 & 7 of the International Building Code.