<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_a7aefa59-5169-4cd4-86bd-3f7a6d05f838" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10a"/><facet building="Class 10b"/><facet building="Class 10c"/><facet climate="Climate zone 1"/><facet climate="Climate zone 2"/><facet climate="Climate zone 3"/><facet climate="Climate zone 4"/><facet climate="Climate zone 5"/><facet climate="Climate zone 6"/><facet climate="Climate zone 7"/></meta><sptc>G4D5</sptc><title id="_8b32dd1b-3e05-43e8-b7c8-07c05bd15e91">External trafficable structures</title><archive-num>2019: G4.5</archive-num><subclause id="_c294a56b-cca0-4875-b573-3452ce14add1" outputclass="subclause"><title id="_c7ec2a7f-a099-4e25-b01b-9691ed72307e">SubClause</title><num>1</num><p>External stairways, ramps, access bridges or other trafficable structures serving the building must—</p><ol outputclass="alpha"><li id="_966ceb3a-e6c2-436d-ab92-99f79f54ad30">have a floor surface that consists of expanded mesh if it is used as a means of egress; and</li><li id="_3ee7c879-7c43-4605-8d66-b4b5a54790d5">have any <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_48094166-5510-46e7-b2f3-0d41f78b4c85" scope="local" type="abcb-glossentry">required</xref> barrier designed so that its sides are not less than 75% open; and</li><li id="_cc803185-edac-4d04-b5cb-3d9296d97a46">for a stairway, have <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1323_2.3.0.xml#_b95f17ae-b7d5-4cd1-af19-54d4096f263c" id="_bf082ecb-500d-494c-ab8d-5cd138b84558" scope="local" type="abcb-glossentry">goings</xref> (G), <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1440_5.0.0.xml#_c719036a-be6e-4810-9535-cd37da0577cd" id="_513be5ab-6514-4b69-a106-a69cb3e06400" scope="local" type="abcb-glossentry">risers</xref> (R) and slope relationship quantity (2R + G) in accordance with—<ol><li><xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/20_1.1.0.xml#_259b5062-81ca-4d99-9d02-61f4941a1826" id="_0fb2b3fb-7b8c-4347-be90-02032e7a34d3" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table D3D14</xref>; or</li><li><xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/68_0.4.0.xml#_17217a1b-88a0-4092-b530-55d814a4c7b3" id="_f5d6db55-fb60-4028-bc0c-05a22c94a078" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table G4D5</xref>; and</li></ol></li><li id="_ecbe5f41-4545-4eb6-a04b-92add2d95fc2">for a ramp serving as an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1263_2.3.0.xml#_9712f630-8cf7-401b-b1cc-ae0be4485915" id="_f8fbbd35-6d63-4ee0-9172-4f9118ad1c20" scope="local" type="abcb-glossentry">exit</xref> and not serving as an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1153_0.8.0.xml#_30458e20-ec5e-4423-bb83-da0197428cd7" id="_96161b0d-6154-4150-a66f-70d38acaade0" scope="local" type="abcb-glossentry">accessible</xref> ramp, have a gradient not steeper than 1:12; and</li><li id="_289e3cdb-f98f-44a0-a00b-1759d874be4f">where a ramp is also serving as an <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1153_0.8.0.xml#_30458e20-ec5e-4423-bb83-da0197428cd7" id="_1c678516-f6ff-4e7b-bc6f-96ca83ef5440" scope="local" type="abcb-glossentry">accessible</xref> ramp under <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/26_0.10.0.xml#_0422da33-ebd2-4d7c-994c-31d8dad5aa0f" id="_99475298-acfc-4a95-b425-064bb5858560" scope="local" type="part">Part D4</xref>, be in accordance with AS 1428.1.</li></ol></subclause><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/68_0.4.0.xml" graph="None" id="_17217a1b-88a0-4092-b530-55d814a4c7b3"><num/><title id="_9b10b806-5718-4f8b-801a-39def85d6058"/></table-reference></clause>