<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_fdc4a1fe-54b7-4284-b5ab-83f6485c3576" 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 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>F7D7</sptc><title id="_8f7e4f77-54be-431e-a6ab-db7f85a991c8">Sound insulation rating of internal services</title><archive-num>2019: F5.6</archive-num><subclause id="_d852686b-151b-4505-9eec-3422c982387f" outputclass="subclause"><title id="_8ff1b563-23eb-4a10-93c6-6dc22cdbe7d4">SubClause</title><num>1</num><p>If a duct or soil, waste or water supply pipe, including a duct or pipe that is located in a wall or floor cavity, serves or passes through more than one <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_38018347-d97e-4ee9-81ba-69b6ec6f1e6b" scope="local" type="abcb-glossentry">sole-occupancy unit</xref>, the duct or pipe must be separated from the rooms of any <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_a73e9e1f-7bd9-4a08-8663-2d6574498f6c" scope="local" type="abcb-glossentry">sole-occupancy unit</xref> by construction with an R<sub id="_9774da6c-dca4-4f6b-8504-5d5e60f3c131">w</sub> + C<sub id="_5bfd3408-3a58-491d-b25c-c39434ad7f83">tr</sub> (airborne) not less than—</p><ol outputclass="alpha"><li id="_4f99592f-0d22-4a28-9f56-e66ec44d1c42">40 if the adjacent room is a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1326_0.4.0.xml#_b8eec66f-9c05-425d-8474-e6a2dfc2c0f4" id="_a3569f83-1bdc-45e6-968e-ddcc5529a855" scope="local" type="abcb-glossentry">habitable room</xref> (other than a kitchen); or</li><li id="_f2b53ad4-9210-4624-87ca-f4089e35588c">25 if the adjacent room is a kitchen or non-<xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1326_0.4.0.xml#_b8eec66f-9c05-425d-8474-e6a2dfc2c0f4" id="_b2d9439a-b4f2-4f5a-9535-38c8b08a8e16" scope="local" type="abcb-glossentry">habitable room</xref>.</li></ol></subclause><subclause id="_6fa01e99-bc5d-4d8c-9e76-aaaf86ce0135" outputclass="subclause"><title id="_81aec933-7dc5-45f9-bf0b-dbdb0e2167ad">SubClause</title><num>2</num><p>If a stormwater pipe passes through a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_0da8e0ed-f3cf-4d03-92af-8d13ea330cf1" scope="local" type="abcb-glossentry">sole-occupancy unit</xref>, it must be separated in accordance with (1)(a) and (b).</p></subclause></clause>