<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_27700200-db12-4c6d-90f1-338574c271f5" 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>S31C13</sptc><title id="_d726ad84-ccaf-4fa0-ab11-49e94d1c5f24">Smoke-and-heat vents</title><archive-num>2019: Spec G3.8: 3.7</archive-num><subclause id="_f342450b-4177-434a-875d-d5b66961e7dd" outputclass="subclause"><title id="_4a52817c-1205-4c13-938e-c8eff6be6b8b">SubClause</title><num>1</num><p>Notwithstanding <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/828_9.2.0.xml#_d5fd07ac-4638-4922-83a5-8f4c51bd6211" id="_0314774d-845f-45eb-afab-3054a81b907d" scope="local" type="clause">S31C12</xref>, <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1199_0.7.0.xml#_ac370c9b-7389-4daa-ac5b-338e11dc43e7" id="_43723c6d-f97d-4588-805c-35febfc66f0c" scope="local" type="abcb-glossentry">automatic</xref> vents complying with AS 2665 may be used, except where a Class 6 part of a building adjoins the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1197_1.0.0.xml#_d0042ee6-21cd-4d8c-8873-d8bfb694ceff" id="_f0496357-99c7-4664-a571-1ee14370892a" scope="local" type="abcb-glossentry">atrium</xref>, in lieu of exhaust fans provided that—</p><ol outputclass="alpha"><li id="_3660148d-728a-44dd-811a-575133e06150">the height from the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1197_1.0.0.xml#_d0042ee6-21cd-4d8c-8873-d8bfb694ceff" id="_75ad1993-fddd-454a-8d53-4f18343c77b9" scope="local" type="abcb-glossentry">atrium</xref> floor to the bottom of the highest vent is not more than 12 m; and</li><li id="_f42784d4-6850-466e-9c47-47f4ff112fce">the vents are fitted with a remote manual operation switch located adjacent to the sprinkler control valves or incorporated in the Fire Indicator Panel.</li></ol></subclause></clause>