<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_a901e77f-c3c9-4848-bec9-460fc2e1b561" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 2"/><facet building="Class 3"/><facet building="Class 4"/><facet building="Class 5"/><facet building="Class 6"/><facet building="Class 7a"/><facet building="Class 7b"/><facet building="Class 8"/><facet building="Class 9a"/><facet building="Class 9b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>S11C3</sptc><title id="_e4345fff-53a4-4d20-b7ab-4d219f9769ea">Class 9c buildings</title><archive-num>2019: Spec C2.5: 3</archive-num><subclause id="_45295952-9f48-43e4-9530-8d66d854c746" outputclass="subclause"><title id="_35f5fc06-3f39-4d5e-97ec-492ed3d2d81d">SubClause</title><num>1</num><p>Smoke-proof walls <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_344a4c63-1548-4008-b4b8-bba2195fd1bc" scope="local" type="abcb-glossentry">required</xref> by <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1266_1.21.0.xml#_426919a1-18e7-433d-a8df-bacb787134cf" id="_aea462bb-0b74-40bb-869e-718c2e8e6da5" scope="local" type="clause">C3D6</xref> in Class 9c buildings must comply with the following:</p><ol outputclass="alpha"><li id="_a75e89c6-d00e-4349-b78d-c8fdb6db953a">The wall may be lined on one side only.</li><li id="_70005dda-26d1-4748-a642-f1f913e65102">Linings on the wall must be <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1377_5.3.0.xml#_be8a1d10-4119-4eb0-a014-07a806b104ff" id="_598844b8-93cf-4444-83c1-4aa75a3bb230" scope="local" type="abcb-glossentry">non-combustible</xref> and extend to the underside of—<ol><li>the floor above; or</li><li>a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1377_5.3.0.xml#_be8a1d10-4119-4eb0-a014-07a806b104ff" id="_f134c63b-68ec-470e-bbf3-eadc7369a12b" scope="local" type="abcb-glossentry">non-combustible</xref> roof covering; or</li><li>a flush plasterboard ceiling lined with 13 mm standard grade plasterboard or a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1289_0.6.0.xml#_e18489e8-9038-4b37-a28f-401776a4aff5" id="_08392f50-08e7-450d-b9df-3e60b1f92fd9" scope="local" type="abcb-glossentry">fire-protective covering</xref>, with all penetrations sealed against the free passage of smoke.</li></ol></li><li id="_e5c02b50-9b6d-492c-b389-1836c5a213b5">If plasterboard is used in the lining on a wall, it must be a minimum of 13 mm standard grade plasterboard.</li><li id="_012cff0a-59a6-436a-b969-c37ed342d819">Not incorporate any glazed areas unless the glass is safety glass as defined in AS 1288.</li><li id="_09e4fc16-9ac1-473f-8539-c5a19eac537b">Only have doorways which are fitted with smoke doors complying with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/154_0.7.0.xml#_d0654afb-ecae-4c09-845c-946b4389cf11" id="_8bdd7fc5-812c-4bcb-a355-a947472d1668" scope="local" type="specification">Specification 12</xref>.</li><li id="_018d8a9f-15c1-49f1-8c2c-3c29563fe9ae">Have all openings around penetrations and the junctions of the smoke-proof wall and the remainder of the building stopped with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1377_5.3.0.xml#_be8a1d10-4119-4eb0-a014-07a806b104ff" id="_663a67cd-aa4f-4e77-9022-059e867c3617" scope="local" type="abcb-glossentry">non-combustible</xref> material to prevent the free passage of smoke.</li><li id="_8d090332-e89c-43a3-be0c-e389ac77d50e">Incorporate smoke dampers<xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-11-08T07:38:00" xt:id="477c7d00-b0b1-4a8c-9996-1297236c0dde"/> complying with AS 1682.1 and AS 1682.2<xt:insText xt:action="end" xt:id="477c7d00-b0b1-4a8c-9996-1297236c0dde"/> where air-handling ducts penetrate the wall unless the duct forms part of a smoke hazard management system <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_d908f227-bf48-4621-8dcc-388445c428a6" scope="local" type="abcb-glossentry">required</xref> to continue air movement through the duct during a fire.</li></ol></subclause></clause>