<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_f6e7c481-dbb3-4bcb-9e97-4f238f7397ae" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/></meta><sptc>S21C1</sptc><title id="_b257e1c7-a17e-412a-8431-ba4be1a50f38">Scope</title><archive-num>2019: Spec E2.2b: 1</archive-num><subclause id="_b34f6926-2bfc-4f44-aadc-1304b056fd3d" outputclass="subclause"><title id="_be68b798-fb48-46f6-9e29-de3a3df4ae6a">SubClause</title><num>1</num><p>This Specification describes the requirements for mechanical smoke exhaust systems.</p></subclause></clause>