<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_53405c69-03f0-48fc-afe4-572b92f92c41" 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>S28C1</sptc><title id="_9153a535-f05e-4154-9453-b641d219c45f">Scope</title><archive-num>2019: Spec F5.2: 1(a)</archive-num><clause-variation href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/7017_0.3.0.xml" variation="NT" variation-type="REPLACE">NT REPLACE Clause</clause-variation><subclause id="_04b6eeb9-0435-4366-866a-abf13c1532d7" outputclass="subclause"><title id="_ccaf6e31-8184-4884-8fd4-2f3b42e74067">SubClause</title><num>1</num><p>This Specification lists the weighted sound reduction index R<sub id="_238e5354-b48e-4ef6-9807-033a55b728c1">W</sub> for some common forms of construction.</p></subclause></clause>