<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause"?><clause id="_f640440a-4129-431e-8308-5d79ddebfc89" outputclass="ncc-clause" variation="TAS"><sptc>I18D5</sptc><title id="_d852d87c-94fb-4f4a-ab08-7ded0427b451">Ventilation</title><archive-num>2019: TAS H123.12</archive-num><subclause id="_d2f325f0-eba4-4ae8-a6ef-321488b35590" outputclass="subclause"><title id="_9c88a426-45e3-47a9-a525-58c1bd55d042">SubClause</title><num>1</num><p>Natural ventilation or mechanical ventilation must be provided to all enclosed areas in a <xref xmlns:inv="urn:xpressauthor:xpressdocument" format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2483_0.5.0.xml#_dcf88aaa-f959-470d-851a-80bf038bc603" id="_4cb4b863-fadf-4391-9657-ff5615e8fabf" inv:access="external" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">temporary structure</xref>.</p></subclause><subclause id="_822b15c6-3a98-46b3-8899-f6ca9c1fef3f" outputclass="subclause"><title id="_f62c6a1f-6912-41b4-9d55-43daac6bf68d">SubClause</title><num>2</num><p>Natural ventilation must as far as practicable consist of openings or devices which can be opened with an aggregate opening of not less than 5% of the floor area of the enclosed area.</p></subclause><subclause id="_50472da0-721b-4c96-8282-5270523b7226" outputclass="subclause"><title id="_572e6045-c285-45d9-aae2-f75b8fd283b9">SubClause</title><num>3</num><p>Mechanical ventilation must as far as practicable comply with the relevant provisions of AS 1668.2.</p></subclause></clause>