(1) Glass block that has not been tested in accordance with Article 9.10.3.1. is permitted as a closure in a fire separation required to have a fire-resistance rating of not more than 1 h.
(1) Where a fire-resistance rating or a fire-protection rating is required in this Section for an element of a building, such rating shall be determined in conformance with the test methods described in Part 3, or in accordance with MMAH Supplementary Standard SB-2, “Fire Performance Ratings”, or MMAH Supplementary Standard SB-3, “Fire and Sound Resistance of Building Assemblies”.