§ 14B-7-713 — Shaft enclosures

14B-7-713 Shaft enclosures.

The provisions of Section 713 of IBC are adopted by reference with the following modifications: 1. Add a new exception to Section 713.4 to read: "Exception: Where shafts contain only noncombustible pipes, noncombustible conduit or iron, steel or aluminum ducts requiring floor penetrations not exceeding 9 square feet (0.8 m2) per story, the shaft enclosures connecting any number of stories shall have a fire-resistance rating of not less than 1 hour." 2. Revise section 713.11, including the exception, by deleting "approved." 3. Revise the second sentence of Section 713.13.1 to read: "A single shaft enclosure shall be permitted to contain recycling and waste chutes." 4. Revise the first sentence of Section 713.13.4 to read: "Waste or linen chutes shall discharge into an enclosed room separated by fire barriers with a fire-resistance rating not less than 2 hours and constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both." 5. Revise Section 713.13.6 by deleting "approved."