<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_c8c9c3b2-3e08-4290-bd69-ccc15435afec" 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>D3D6</sptc><title id="_43214c97-f3f8-4424-a7c5-96c5544105a9">Open access ramps and balconies</title><archive-num>2019: D2.5</archive-num><subclause id="_2aa1f957-a820-41b3-a56b-6205147cd176" outputclass="subclause"><title id="_0ed77931-eb78-410d-81a6-3fc398821f59">SubClause</title><num>1</num><p>Where an open access ramp or balcony is provided to meet the smoke hazard management requirements of <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2682_2.3.0.xml#_83c9b99e-b670-4f73-a04b-49fac6d667a0" id="_d84210cc-3314-40e3-88ff-286594adb35d" scope="local" type="clause">E2D4</xref> to <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/2714_2.5.0.xml#_1458df96-d1ca-4aab-a706-5c98ed376c67" id="_50b99c8a-2df8-446f-ba04-c64733390a52" scope="local" type="clause">E2D13</xref>, it must—</p><ol outputclass="alpha"><li id="_180cc0e7-d27b-4bfe-ad09-fde40a42f8a7">have ventilation openings to the outside air which—<ol><li>have a total unobstructed area not less than the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1314_2.10.0.xml#_7da927fe-453e-424f-b6ec-280f4e464397" id="_a97db0a5-9941-4759-be49-7c49833cfba5" scope="local" type="abcb-glossentry">floor area</xref> of the ramp or balcony; and</li><li>are evenly distributed along the open sides of the ramp or balcony; and</li></ol></li><li id="_6450edbc-ae1c-4837-83fd-26489dc71840">not be enclosed on its open sides above a height of 1 m except by an open grille or the like having a free air space of not less than 75% of its area.</li></ol></subclause></clause>