<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_06fe7c1e-7d97-4b0e-b533-1803b79fec76" 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>E4P1</sptc><title id="_5cb4b7ea-be6f-4a66-a901-e874dbab92f6">Visibility in an emergency</title><archive-num>2019: EP4.1</archive-num><subclause id="_3641fd64-09f4-4293-80c4-0cd16029ce1f" outputclass="subclause"><title id="_b2f1060d-1d25-4074-acb0-d3f426800524">SubClause</title><num>1</num><p>To facilitate safe evacuation in an emergency, a building must be provided with a system that—</p><ol outputclass="alpha"><li id="_9c56c5e8-605f-4d28-a99f-1a63c166e295">ensures a level of visibility sufficient to enable <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_88e9e4b7-3c77-4c1e-872a-a69eef2064fc" scope="local" type="abcb-glossentry">exits</xref>, paths of travel to <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_b8e03c84-8731-4234-b00f-224496add561" scope="local" type="abcb-glossentry">exits</xref> and any obstacles along a path of travel to an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_ad2f5b66-5e10-4d8b-9df1-f71e44387a3b" scope="local" type="abcb-glossentry">exit</xref> to be identified; and</li><li id="_f50dd414-326b-4221-95ff-7b2c0aea9c00">activates instantaneously upon the failure of an artificial lighting system, to the degree necessary, appropriate to—<ol><li>the function or use of the building; and</li><li>the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1314_2.10.0.xml#_7da927fe-453e-424f-b6ec-280f4e464397" id="_b4f2f8e4-780f-419f-bcfe-56e44977cf6f" scope="local" type="abcb-glossentry">floor area</xref> of the building; and</li><li>the distance of travel to an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_8a2d751c-e50b-4305-a823-e10d2e2fc822" scope="local" type="abcb-glossentry">exit</xref>.</li></ol></li></ol></subclause><callout id="_87c75686-d1c8-40f8-aef9-984ed6f0eda0"><callout-type ncc-info-type="limitation"/><p>E4P1 does not apply to the internal parts of a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1473_0.4.0.xml#_d2c89488-8a36-464b-94f6-a91d0f5a6c9c" id="_b8f9bb48-6ded-401a-b2e4-fc0bb9d3763e" scope="local" type="abcb-glossentry">sole-occupancy unit</xref> in a Class 2, 3 or 9c building or Class 4 part of a building.</p></callout></clause>