<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_cfca28db-fccd-4a90-9e9f-21472f883615" 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>D3D21</sptc><title id="_3d22478b-eb94-41f8-b86a-2cf5a3c8b7f8">Wire barriers</title><archive-num>2019: D2.16(d)</archive-num><subclause id="_0b20de28-7e13-46b7-a26d-13e587f0656a" outputclass="subclause"><title id="_fb8a6b4b-dd33-46fe-880b-507e91598141">SubClause</title><num>1</num><p>Where a <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_9a03eef6-9798-4f71-936b-ed079164a9d7" scope="local" type="abcb-glossentry">required</xref> barrier is constructed of wire, it is deemed to meet the requirements of <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1669_1.18.0.xml#_7a7a38db-d3a3-45a5-9786-3f92cadd9808" id="_8fb528a0-798f-494a-89c9-fcc78a954cbb" scope="local" type="subclause">D3D19(1)</xref> if it is constructed in accordance with the following:</p><ol outputclass="alpha"><li id="_ad2c2aa8-933f-4fd7-bdf3-b51157004a79">For horizontal wire systems—<ol><li>when measured with a strain indicator, it must be in accordance with the tension values in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/25_0.5.0.xml#_5b6e54fb-7132-4426-b1e1-a6ffa439140b" id="_261b0c9d-d6b2-40c4-9b0a-9e4a557e6610" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table D3D21a</xref>; or</li><li>must not exceed the maximum deflections in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/32_0.3.0.xml#_01fc4725-1074-4d00-a934-904d73dc3981" id="_fc378eb5-22cf-4192-8029-5cd92c4a72d0" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table D3D21c</xref>.</li></ol></li><li id="_9c455115-b639-4512-8de0-a6a430c3e770">For non-continuous vertical wire systems, when measured with a strain indicator, must be in accordance with the tension values in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/25_0.5.0.xml#_5b6e54fb-7132-4426-b1e1-a6ffa439140b" id="_186a3c81-3c33-447d-bc91-f324e1908e8d" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table D3D21a</xref> (see Note 4).</li><li id="_9b99c259-9d02-4e63-83cb-671e6816e342">For continuous vertical or continuous near vertical sloped wire systems—<ol><li>must have wires of no more than 2.5 mm diameter with a lay of 7×7 or 7×19 construction; and</li><li>changes in direction at support rails must pass around a pulley block without causing permanent deformation to the wire; and</li><li>must have supporting rails, constructed with a spacing of not more than 900 mm, of a material that does not allow deflection that would decrease the tension of the wire under load; and</li><li>when the wire tension is measured with a strain indicator, it must be in accordance with the tension values in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/29_0.4.0.xml#_721f0ae7-4ac7-406c-9183-35cd353d2d85" id="_2df38586-5fb1-4435-bfb8-445b79edeaaa" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table D3D21b</xref> and measured in the furthermost span from the tensioning device.</li></ol></li></ol></subclause><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/25_0.5.0.xml" graph="None" id="_5b6e54fb-7132-4426-b1e1-a6ffa439140b"><num/><title id="_6bb6ce7a-db11-464d-a886-96c8c1262b93"/></table-reference><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/29_0.4.0.xml" graph="None" id="_721f0ae7-4ac7-406c-9183-35cd353d2d85"><num/><title id="_ed819c80-d6f6-40fe-9b68-5887ff24f961"/></table-reference><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/32_0.3.0.xml" graph="None" id="_01fc4725-1074-4d00-a934-904d73dc3981"><num/><title id="_55d362e9-d9d8-49b2-81a4-4223e539c273"/></table-reference></clause>