<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_73054dc9-e067-40e7-92ab-47062ea2afa9" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><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 9c"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>F7V1</sptc><title id="_cb854337-93a6-4925-b145-229fd3ff6822">Sound transmission through floors [F7P1]</title><archive-num>2019: FV5.1</archive-num><subclause id="_c5e2f04c-584d-4f40-88cf-7b086a6d48e0" outputclass="subclause"><title id="_d931c647-c9bb-419d-a465-e5ad0222dc46">SubClause</title><num>1</num><p>Compliance with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2854_2.10.0.xml#_4dd29067-49d2-418a-a9c6-82d6f46625d1" id="_1caf3791-231f-47a2-8a22-05ca0feb3a26" scope="local" type="clause">F7P1</xref> to avoid the transmission of airborne and impact generated sound through floors is verified when it is measured in-situ that the separating floor has—</p><ol outputclass="alpha"><li id="_4c10c48f-d421-44a9-beaa-6dc3c361f593">airborne: a weighted standardised level difference with spectrum adaptation term (D<sub id="_27026417-3e87-40e2-8b66-8de33143ad4d">nT,w </sub>+ C<sub id="_d65f86bb-3032-421e-8b15-34df1feb1986">tr</sub>) not less than 45 when determined under AS<xt:delText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-09T11:41:00" xt:id="26336025-4544-4187-91cd-03eac371a374"/>/NZS<xt:delText xt:action="end" xt:id="26336025-4544-4187-91cd-03eac371a374"/> ISO 717.1; and</li><li id="_e6da81b8-5537-445b-88d8-125a31565ef3">impact: a weighted standardised impact sound pressure level (L<sub id="_5c5482f1-6436-4d37-aa42-fd97cc8b4169">nT,</sub><sub id="_c0f6e613-a286-4014-8d35-3bf0a72cdf17">w</sub>) not more than 62 when determined under AS ISO 717.2.</li></ol></subclause></clause>