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712.1.13.2 Access doors.
Access doors shall be permitted in ceilings of fire-resistance-rated floor/ceiling and roof/ceiling assemblies, provided such doors are tested in accordance with ASTM E 119 or UL 263 as horizontal assemblies and labeled by an approved agency for such purpose.
712.1.14 Group I-3.
In Group I-3 occupancies, vertical openings shall be permitted in accordance with Section 408.5.
712.1.15 Skylights.
Skylights and other penetrations through a fire-resistance-rated roof deck or slab are permitted to be unprotected, provided that the structural integrity of the fire-resistance-rated roof assembly is maintained. Unprotected skylights shall not be permitted in roof assemblies required to be fire-resistance-rated in accordance with Section 705.8.6. The supporting construction shall be protected to afford the required fire-resistance rating of the horizontal assembly supported.
712.1.16 Openings otherwise permitted.
Vertical openings shall be permitted where allowed by other sections of this code.
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