<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_41156506-49bf-4e93-9881-5d6ad767ee5b" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>S12C5</sptc><title id="_2283ae16-6da7-4e14-b905-62301ec2e04d">Fire shutters</title><archive-num>2019: Spec C3.4: 4</archive-num><subclause id="_c5b6c765-5e41-4aa8-83ea-5c9ef7e90035" outputclass="subclause"><title id="_2aafae8e-f31c-42a0-b199-fe330a4f3804">SubClause</title><num>1</num><p>A <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_d9dba10d-2e52-4372-b983-777b405f5ce1" scope="local" type="abcb-glossentry">required</xref> fire shutter must—</p><ol outputclass="alpha"><li id="_3d0e0955-81cd-41e7-be62-6ca6448b21bd">be a shutter that—<ol><li>is identical with a tested prototype that has achieved the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_5a63391a-bd66-4dee-9074-6424c181947e" scope="local" type="abcb-glossentry">required</xref> FRL; and</li><li>is installed in the same manner and in an opening that is not larger than the tested prototype; and</li><li>did not have a rise in average temperature on the side remote from the furnace of more than 140 K during the first 30 minutes of the test; or</li></ol></li><li id="_307ebb70-30fe-4f3f-bb94-f2b0c851392c">be a steel shutter complying with AS 1905.2 if a metallic fire shutter is not prohibited by <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1330_1.2.0.xml#_feebdaf2-83de-4786-a137-89c3c654485b" id="_63338fc2-8ee0-4912-9fd8-71580e6448b9" scope="local" type="clause">C4D6</xref>.</li></ol></subclause></clause>