<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_4dd29067-49d2-418a-a9c6-82d6f46625d1" 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>F7P1</sptc><title id="_2fe0ca65-f46e-4247-bd34-41779b16e00a">Sound transmission through floors</title><archive-num>2019: FP5.1</archive-num><subclause id="_89ab1fbc-6350-49a8-9125-a96a1661ad10" outputclass="subclause"><title id="_8bafd4bb-eb1a-4dbe-9ae4-201bf216f8ba">SubClause</title><num>1</num><p>A floor separating <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_c3059cba-d66a-431f-aca1-8ffb175d915a" scope="local" type="abcb-glossentry">sole-occupancy units</xref> or a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_92d884dc-32bf-405d-8c29-06109893814e" scope="local" type="abcb-glossentry">sole-occupancy unit</xref> from a plant room, lift <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1459_26.0.0.xml#_99391afe-5794-47e4-94ab-7e9e7a83740a" id="_7ff23098-41c6-45a5-8b1d-e74d720662e7" scope="local" type="abcb-glossentry">shaft</xref>, stairway, <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1419_4.0.0.xml#_eea79623-bc7d-4ef1-b787-8452b6383ffc" id="_f15035ed-52c2-4cf8-9a2e-87f2336f7ebf" scope="local" type="abcb-glossentry">public corridor</xref>, public lobby, or the like, or parts of a different classification, must minimise the transmission of airborne and impact generated sound such that the separating floor, including the effect of services and their penetrations, has—</p><ol outputclass="alpha"><li id="_778c3303-b378-4307-94e3-acabb91a77c7">a weighted standardised level difference with spectrum adaptation term (D<sub id="_f107f9fe-d5ad-4ec8-936e-4cb45dbf8889">nT,w</sub> + C<sub id="_777d2eb3-75a9-4c4b-86d6-1e649a64013f">tr</sub>) not less than 45 for airborne sound; and </li><li id="_6341f952-134c-404b-ba4f-0647e0b5d1fd">a weighted standardised impact sound pressure level (L<sub id="_62bfb82d-299f-4ad5-ae75-8b3b7cb5932b">nT,w</sub>) not more than 62 for impact generated sound.</li></ol></subclause><callout id="_2099f604-8a47-4058-8bab-1870b88ed67f"><callout-type ncc-info-type="application"/><p>F7P1 only applies to a Class 2 or 3 building.</p></callout></clause>