<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_550bb29c-5e8e-4ab9-beb0-8af0ad7f97fb" 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>S31C21</sptc><title id="_cae3f2d6-4ad2-4c1d-99f6-e357dcca1ca9">System for excluding smoke from fire-isolated exits</title><archive-num>2019: Spec G3.8: 7</archive-num><subclause id="_4f4fdb69-b8d1-4a1d-91f0-bed58e78b1e2" outputclass="subclause"><title id="_22edbd34-3c1e-4fe8-8a0d-012d2a5b2a14">SubClause</title><num>1</num><p><xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_c40e95e9-c361-4945-9a62-6e1fe8ef4a21" scope="local" type="abcb-glossentry">Required</xref> fire-isolated <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_db8fd7fa-43dd-40ee-b088-301468e5ca1d" scope="local" type="abcb-glossentry">exits</xref> in a building containing an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1197_1.0.0.xml#_d0042ee6-21cd-4d8c-8873-d8bfb694ceff" id="_ef7bf1c5-6198-487d-a04f-6479d6ef80e6" scope="local" type="abcb-glossentry">atrium</xref> must be protected from the entry of smoke in accordance with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2675_2.10.0.xml#_e04d6492-a4d1-4f0c-9464-8c55693f7b76" id="_73ffc9bb-8876-4459-a829-6cab10fe46f0" scope="local" type="clause">E2D3</xref>.</p></subclause></clause>