<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_2cfa5c6f-efbb-469d-9ba8-5cbcd549a6ce" 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>C3D10</sptc><title id="_cd99a6cb-e5e5-4750-965c-cc2f85fed160">Separation of classifications in different storeys</title><archive-num>2019: C2.9</archive-num><subclause id="_ff2a58fb-7a7d-4e4d-b277-fbd6ea1be8fb" outputclass="subclause"><title id="_d5759eb6-7ecb-4e35-a462-d0848a55e031">SubClause</title><num>1</num><p>If parts of different classification are situated one above the other in adjoining <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1483_25.0.0.xml#_53ff3ea1-55e7-4f2a-b2b3-ca445ff64c15" id="_5b925494-7ed4-4c94-b6bf-7ff3b86fd269" scope="local" type="abcb-glossentry">storeys</xref> they must be separated as follows:</p><ol outputclass="alpha"><li id="_f8b8c0f5-3703-4314-b0ca-7a8741ba7022">Type A construction — The floor between the adjoining parts must have an FRL of not less than that prescribed in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/131_0.13.0.xml#_da7623e4-c88a-410a-a7e4-377555216c73" id="_4725c0b1-b815-4b98-9bc4-82470185ea6d" scope="local" type="specification">Specification 5</xref> for the classification of the lower <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1483_25.0.0.xml#_53ff3ea1-55e7-4f2a-b2b3-ca445ff64c15" id="_d0d7c69e-2207-44db-84a8-f01c6984c592" scope="local" type="abcb-glossentry">storey</xref>.</li><li id="_07646201-0648-4941-8466-52bebb7ac719">Type B or C construction — If one of the adjoining parts is of Class 2, 3 or 4, the floor separating the part from the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1483_25.0.0.xml#_53ff3ea1-55e7-4f2a-b2b3-ca445ff64c15" id="_6ccf2f0b-11ba-4761-8a16-eb4b8068c037" scope="local" type="abcb-glossentry">storey</xref> below must—<ol><li>be a floor/ceiling system incorporating a ceiling which has a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1438_5.3.0.xml#_617607ac-6215-49ef-8171-c069d7620b95" id="_026461e3-7a22-4972-9c64-9191479cae72" scope="local" type="abcb-glossentry">resistance to the incipient spread of fire</xref> to the space above itself of not less than 60 minutes; or</li><li>have an FRL of at least 30/30/30; or</li><li>have a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1289_0.6.0.xml#_e18489e8-9038-4b37-a28f-401776a4aff5" id="_acd8dd92-a4bc-4d19-b4dc-28669417bb19" scope="local" type="abcb-glossentry">fire-protective covering</xref> on the underside of the floor, including beams incorporated in it, if the floor is <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1221_0.9.0.xml#_a7b1bb43-dc94-41fb-9e49-6a37f0d6b236" id="_d248e373-d311-48ca-9450-b67ef127ae2b" scope="local" type="abcb-glossentry">combustible</xref> or of metal.</li></ol></li></ol></subclause></clause>