<i>Corridors</i> shall be fire-resistance rated in accordance with Table 1020.1. The <i>corridor</i> walls required to be fire-resistance rated shall comply with Section 708 for <i>fire partitions</i>.<ulclass="exception"><li><b>Exceptions:</b><ol><li>A <i>fire-resistance rating</i> is not required for <i>corridors</i> 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 <i>means of egress</i> doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level.</li><li>A <i>fire-resistance rating</i> is not required for <i>corridors</i> contained within a <i>dwelling unit</i> or <i>sleeping unit</i> in an occupancy in Groups I-1 and R.</li><li>A <i>fire-resistance rating</i> is not required for <i>corridors</i> in <i>open parking garages</i>.</li><li>A <i>fire-resistance rating</i> is not required for <i>corridors</i> in an occupancy in Group B that is a space requiring only a single <i>means of egress</i> complying with Section 1006.2.</li><li><i>Corridors</i> adjacent to the <i>exterior walls</i> of buildings shall be permitted to have unprotected openings on unrated <i>exterior walls</i> where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8.</li></ol></li></ul>
</oldText>
<newText>
<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><ulclass="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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<expected>
<iclass="diffmod"><delclass="diffmod">Corridors</del></i><emclass="diffmod"><insclass="diffmod">Corridors</ins></em> shall be fire-resistance rated in accordance with Table 1020.1. The <iclass="diffmod"><delclass="diffmod">corridor</del></i><emclass="diffmod"><insclass="diffmod">corridor</ins></em> walls required to be fire-resistance rated shall comply with Section 708 for <iclass="diffmod"><delclass="diffmod">fire partitions</del></i><emclass="diffmod"><insclass="diffmod">fire partitions</ins></em>.<ulclass="diffmod exception"><li><b><delclass="diffmod">Exceptions:</del></b><ol><li><delclass="diffmod">A </del><iclass="diffmod"><delclass="diffmod">fire-resistance rating</del></i><delclass="diffmod"> is not required for </del><iclass="diffmod"><delclass="diffmod">corridors</del></i><delclass="diffmod"> 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 </del><iclass="diffmod"><delclass="diffmod">means of egress</del></i><delclass="diffmod"> doors opening directly to the exterior. Exterior doors specified in this exception are required to be at ground level.</del></li><li><delclass="diffmod">A </del><iclass="diffmod"><delclass="diffmod">fire-resistance rating</del></i><delclass="diffmod"> is not required for </del><iclass="diffmod"><delclass="diffmod">corridors</del></i><delclass="diffmod"> contained within a </del><iclass="diffmod"><delclass="diffmod">dwelling unit</del></i><delclass="diffmod"> or </del><iclass="diffmod"><delclass="diffmod">sleeping unit</del></i><delclass="diffmod"> in an occupancy in Groups I-1 and R.</del></li><li><delclass="diffmod">A </del><iclass="diffmod"><delclass="diffmod">fire-resistance rating</del></i><delclass="diffmod"> is not required for </del><iclass="diffmod"><delclass="diffmod">corridors</del></i><delclass="diffmod"> in </del><iclass="diffmod"><delclass="diffmod">open parking garages</del></i><delclass="diffmod">.</del></li><li><delclass="diffmod">A </del><iclass="diffmod"><delclass="diffmod">fire-resistance rating</del></i><delclass="diffmod"> is not required for </del><iclass="diffmod"><delclass="diffmod">corridors</del></i><delclass="diffmod"> in an occupancy in Group B that is a space requiring only a single </del><iclass="diffmod"><delclass="diffmod">means of egress</del></i><delclass="diffmod"> complying with Section 1006.2.</del></li><li><i><delclass="diffmod">Corridors</del></i><delclass="diffmod"> adjacent to the </del><iclass="diffmod"><delclass="diffmod">exterior walls</del></i><delclass="diffmod"> of buildings shall be permitted to have unprotected openings on unrated </del><iclass="diffmod"><delclass="diffmod">exterior walls</del></i><delclass="diffmod"> where unrated walls are permitted by Table 602 and unprotected openings are permitted by Table 705.8.</del></li></ol></li></ul><br/class="diffmod"><br/><insclass="diffmod">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:</ins><br/class="diffmod"><br/><ol><li><insclass="diffmod">Assigned a Seismic Design Category C or D in Table 1613.3.5(1).</ins></li><insclass="diffmod"></ins><liclass="diffmod"><insclass="diffmod">Located in a flood hazard area established in accordance with Section 1612.3.</ins></li><insclass="diffmod"></ins><liclass="diffmod"><insclass="diffmod">Located in a </ins><emclass="diffmod"><insclass="diffmod">hurricane-prone regions</ins></em><insclass="diffmod">.</ins></li><insclass="diffmod"></ins></ol><ulclass="exception"><li><strong><insclass="diffmod">Exceptions:</ins></strong><ol><li><insclass="diffmod">A </ins><emclass="diffmod"><insclass="diffmod">fire-resistance rating</ins></em><insclass="diffmod"> is not required for </ins><emclass="diffmod"><ins