<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_776c640b-caa2-4216-b04b-7887705ea812" outputclass="ncc-clause"><meta><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 9c"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>10.7.1</sptc><title id="_cf206fb4-027c-43b4-b1fb-07f716720b97">Sound insulation requirements</title><archive-num>2019: 3.8.6.2</archive-num><subclause id="_4799edf5-6cdd-434b-af44-c3535fd3e1e2" outputclass="subclause"><title id="_820262de-335e-49d2-9855-221a57b7e852">SubClause</title><num>1</num><p>A <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1455_0.7.0.xml#_c162af82-2477-499d-bdb1-39be88ffa668" id="_84020bb5-c733-4ad6-acaa-7f0ce2eb8f8d" scope="local" type="abcb-glossentry">separating wall</xref> between Class 1 buildings, or a wall that separates a Class 1 building from a Class 10a building which is not associated with the Class 1 building must—</p><ol outputclass="alpha"><li id="_f93bfe08-908d-4ad7-a181-7790d1a9e687">have an R<sub id="_f0b84917-62a8-435c-b5c9-91b742cf5562">w</sub> + C<sub id="_191f864e-8ed9-4583-b8fc-34fea934865c">tr</sub> (airborne) not less than 50; and</li><li id="_200b70d2-1112-49c2-8dc8-70ece7cc912f">be of <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1246_0.15.0.xml#_ba34e29d-195b-41f3-8774-cec1cf915aa6" id="_06417bef-84da-425e-99d9-aee05ef42b92" scope="local" type="abcb-glossentry">discontinuous construction</xref> if it separates a bathroom, <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1445_0.13.0.xml#_b30a308f-eb9f-4549-a6c1-19d5f32a5272" id="_af593584-ea68-47fa-9328-4ed4ad51242a" scope="local" type="abcb-glossentry">sanitary compartment</xref>, laundry or kitchen in one Class 1 building from a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1326_0.4.0.xml#_b8eec66f-9c05-425d-8474-e6a2dfc2c0f4" id="_9684b816-9248-4f02-8e45-d6f7239bdef6" scope="local" type="abcb-glossentry">habitable room</xref> (other than a kitchen) in an adjoining Class 1 building (see <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/808_0.6.0.xml#_c9a0dc76-3d08-4612-9481-e93fc9442db6" id="_bd38b486-cf6c-41f8-9fa4-ec42cb22224c" referencetype="Text" scope="local" synctargettext="false" type="image-reference">Figure 10.7.1</xref>).</li></ol></subclause><subclause id="_f7b2c083-1f49-4359-aa4e-b55e75b957c6" outputclass="subclause"><title id="_1c56b04c-e997-416b-86e6-3b36b033d596">SubClause</title><num>2</num><p>A wall <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_4e810b3d-08f0-4a70-9489-5e812e4bf7c5" scope="local" type="abcb-glossentry">required</xref> to have sound insulation must continue to—</p><ol outputclass="alpha"><li id="_761c82e8-c67b-4761-93e0-e9aada24dfba">the underside of the roof above; or</li><li id="_f6e8cf03-62fe-4efa-8326-c47cf1344742">a ceiling that provides the sound insulation <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_54560a36-9961-48ae-880b-c5f3b866ef74" scope="local" type="abcb-glossentry">required</xref> for the wall.</li></ol></subclause><image-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/808_0.6.0.xml" id="_c9a0dc76-3d08-4612-9481-e93fc9442db6"><num/><title id="_038cda1e-09f7-417f-ba0a-6cd3aacaf763"/></image-reference><callout id="_853b2d1c-3ac0-4d2f-a2d5-587f29f2d24a"><callout-type ncc-info-type="info"/><p>Insulation to reduce both airborne and impact noise transmission is <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_91085df8-9189-4c11-83b4-95e19f9b312a" scope="local" type="abcb-glossentry">required</xref> for parts of a wall that are common to adjoining Class 1 buildings but not parts of a wall located in the subfloor.</p></callout></clause>