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<em>Corridors</em> shall be fire-resistance rated in accordance with Table 1020.1. The <em>corridor</em> walls required to be fire-resistance rated shall comply with Section 708 for <em>fire partitions</em>.<br /><br />In addition, corridors in buildings of Types IIB, IIIB, and VB construction and assigned Risk Categories III and IV in Table 1604.5, other than Group I, shall have a fire resistance rating of not less than 1 hour where such buildings are any of the following:<br /><br /><ol><li>Assigned a Seismic Design Category C or D in Table 1613.3.5(1).</li>
<li>Located in a flood hazard area established in accordance with Section 1612.3.</li>
<li>Located in a <em>hurricane-prone regions</em>.</li>
</ol><ul class="exception"><li><strong>Exceptions:</strong><ol><li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group E where each room that is used for instruction has not less than one door opening directly to the exterior and rooms for assembly purposes have not less than one-half of the required <em>means of egress</em> doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> contained within a <em>dwelling unit</em> or <em>sleeping unit</em> in an occupancy in Groups I-1 and R.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in <em>open parking garages</em>.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group B that is a space requiring only a single <em>means of egress</em> complying with Section 1006.2.</li>
<li><em>Corridors</em> adjacent to the <em>exterior walls</em> of buildings shall be permitted to have unprotected openings on unrated <em>exterior walls</em> where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8.</li>
</ol></li>
</ul>
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<em>Corridors</em> shall be fire-resistance rated in accordance with Table 1020.1 and where applicable in Section 1020.1.1. The <em>corridor</em> walls required to be fire-resistance rated shall comply with Section 708 for <em>fire partitions</em>.<br /><ul class="exception"><li><strong>Exceptions:</strong></li>
<li>
<ol><li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group E where each room that is used for instruction has not less than one door opening directly to the exterior and rooms for assembly purposes have not less than one-half of the required <em>means of egress</em> doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> contained within a <em>dwelling unit</em> or <em>sleeping unit</em> in an occupancy in Groups I-1 and R.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in <em>open parking garages</em>.</li>
<li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group B that is a space requiring only a single <em>means of egress</em> complying with Section 1006.2.</li>
<li><em>Corridors</em> adjacent to the <em>exterior walls</em> of buildings shall be permitted to have unprotected openings on unrated <em>exterior walls</em> where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8.</li>
</ol></li>
</ul>
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<expected>
<em>Corridors</em> shall be fire-resistance rated in accordance with Table 1020.1<ins class="diffins"> and where applicable in Section 1020.1.1</ins>. The <em>corridor</em> walls required to be fire-resistance rated shall comply with Section 708 for <em>fire partitions</em>.<br /><br / class="diffmod"><del class="diffdel">In addition, corridors in buildings of Types IIB, IIIB, and VB construction and assigned Risk Categories III and IV in Table 1604.5, other than Group I, shall have a fire resistance rating of not less than 1 hour where such buildings are any of the following:</del><br / class="diffmod"><br /><ol><li><del class="diffdel">Assigned a Seismic Design Category C or D in Table 1613.3.5(1).</del></li><del class="diffdel"> </del><li class="diffmod"><del class="diffdel">Located in a flood hazard area established in accordance with Section 1612.3.</del></li><del class="diffdel"> </del><li class="diffmod"><del class="diffdel">Located in a </del><em class="diffmod"><del class="diffdel">hurricane-prone regions</del></em><del class="diffdel">.</del></li><del class="diffdel"> </del></ol><ul class="exception"><li><strong>Exceptions:</strong></li><ins class="diffins"> </ins><li class="diffmod"><ins class="diffins"> </ins><ol><li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group E where each room that is used for instruction has not less than one door opening directly to the exterior and rooms for assembly purposes have not less than one-half of the required <em>means of egress</em> doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level.</li> <li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> contained within a <em>dwelling unit</em> or <em>sleeping unit</em> in an occupancy in Groups I-1 and R.</li> <li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in <em>open parking garages</em>.</li> <li>A <em>fire-resistance rating</em> is not required for <em>corridors</em> in an occupancy in Group B that is a space requiring only a single <em>means of egress</em> complying with Section 1006.2.</li> <li><em>Corridors</em> adjacent to the <em>exterior walls</em> of buildings shall be permitted to have unprotected openings on unrated <em>exterior walls</em> where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8.</li> </ol></li> </ul>
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