3.1.8.14 — Wired Glass and Glass Block

(1) Except as permitted by Article 3.1.8.17., the maximum area of wired glass in a door used in the locations shown in Table 3.1.8.15. shall conform to the Table. (2) Except as permitted by Article 3.1.8.17., the maximum area of glass block and wired glass panels not in a door, used in the locations shown in Table 3.1.8.15., shall conform to the Table.

(1) The temperature rise limits and glass area limits required by Articles 3.1.8.15. and 3.1.8.16. are waived for a closure between an exit enclosure and an enclosed vestibule or corridor provided, (a) the vestibule or corridor is separated from the remainder of the floor area by a fire separation having a fire-resistance rating not less than 45 min, (b) the fire separation required by Clause (a) contains no wired glass or glass block within 3 m of the closure into the exit enclosure, and (c) the vestibule or corridor contains no occupancy.

(1) Except as permitted by Sentences (2) and 3.1.8.14. (1), the fire-protection rating for a closure shall be determined in accordance with, (a) CAN/ULC-S104, “Fire Tests of Door Assemblies”, (b) CAN/ULC-S106, “Fire Tests of Window and Glass Block Assemblies”, or (c) CAN/ULC-S112, “Fire Test of Fire Damper Assemblies”. (2) Except as permitted by Sentence 3.1.8.10. (1), the fire-protection rating of a closure shall conform to Table 3.1.8.4. for the required fire-resistance rating of the fire separation. (3) The leakage rate of smoke dampers and combination smoke and fire dampers shall, (a) be determined in accordance with the applicable provisions in CAN/ULC-S112.1, “Leakage Rated Dampers for Use in Smoke Control Systems”, and (b) conform to Class I, II or III of that standard. (4) The leakage rate of a door assembly shall be determined in accordance with ANSI/UL-1784, “Air Leakage Tests of Door Assemblies and Other Opening Protectives”.