<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_40f48613-0da3-45ec-beaa-7870b67594ad" 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>F7V2</sptc><title id="_52da2abd-47d8-4a90-9f52-e7099463845f">Sound transmission through walls [F7P2(a)]</title><archive-num>2019: FV5.2</archive-num><subclause id="_ae545aa3-3a8b-4c8b-beac-c782c5080228" outputclass="subclause"><title id="_0a012ebe-de82-4637-afbe-b8c45b67b277">SubClause</title><num>1</num><p>Compliance with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2857_2.9.0.xml#_3ae52cbb-fa13-4e47-8edd-5fe231cf5e9e" id="_af5f5d02-7738-484a-a9bc-5b40387e674a" referencetype="Text" scope="local" synctargettext="false" type="ncc-clause">F7P2(a)</xref> to avoid the transmission of airborne sound through walls is verified when it is measured in-situ that—</p><ol outputclass="alpha"><li id="_f9778f0a-9d56-4f0c-8b32-a443a64f9123">a wall separating <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_845a37b1-471d-4be7-a920-873f61b08967" scope="local" type="abcb-glossentry">sole-occupancy units</xref> has a weighted standardised level difference with spectrum adaptation term (D<sub id="_88fb0800-97f1-49d3-81ac-937d40fe4c9a">nT,</sub><sub id="_24c8ee18-5f08-4528-bfed-775d154102df">w</sub> + C<sub id="_67bb8777-87df-402e-9aa2-14072dbc1821">tr</sub>) not less than 45 when determined under AS<xt:delText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-09T11:44:00" xt:id="b77ed525-7fb5-44b8-8524-fa3e068dd078"/>/NZS<xt:delText xt:action="end" xt:id="b77ed525-7fb5-44b8-8524-fa3e068dd078"/> ISO 717.1; or</li><li id="_8860c043-fe7d-4b46-a0ee-3f34e393ac25">a wall separating a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_28e239c3-d605-4a5d-b70d-880b29eb1a45" 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="_7c37a48f-1b2c-4e22-acd8-107ef794185f" 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="_19c93608-c420-4fca-9e8e-dc112c639adb" scope="local" type="abcb-glossentry">public corridor</xref>, public lobby, or the like, or parts of a different classification, has a weighted standardised level difference (D<sub id="_b1c73fbb-371a-4516-824d-c244bd13d459">nT,</sub><sub id="_55708cd2-cb9d-4eaa-b9ff-87fb20c6dc28">w</sub>) not less than 45 when determined under AS<xt:delText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-09T11:44:00" xt:id="3e6b7da4-49ec-4077-a68c-ec7508406a35"/>/NZS<xt:delText xt:action="end" xt:id="3e6b7da4-49ec-4077-a68c-ec7508406a35"/> ISO 717.1; or</li><li id="_4b0bf185-896d-44eb-92d1-54380fe26e87">any door assembly located in a wall that separates a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_b2526158-bdb7-40f6-894a-dbab06c40a44" scope="local" type="abcb-glossentry">sole-occupancy unit</xref> from a stairway, <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1419_4.0.0.xml#_eea79623-bc7d-4ef1-b787-8452b6383ffc" id="_fa5ee937-cf75-4a03-994f-5a8b99577648" scope="local" type="abcb-glossentry">public corridor</xref>, public lobby, or the like, has a weighted standardised 	level difference (D<sub id="_be8ad0c3-b7f2-4d3b-995b-04c738bf6117">nT,</sub><sub id="_2ccf2cb2-8cbe-4cf8-b9d4-0dce6247005d">w</sub>) not less than 25 when determined under AS<xt:delText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-09T11:45:00" xt:id="fc0d85a7-6726-413b-8fb4-d6148a63567c"/>/NZS<xt:delText xt:action="end" xt:id="fc0d85a7-6726-413b-8fb4-d6148a63567c"/> ISO 717.1.</li></ol></subclause></clause>