<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_9952d5ec-c3eb-4b8d-ba04-c7de78a2c349" outputclass="ncc-clause"><sptc>S2C25</sptc><title id="_0546ab73-5aa4-464a-8c8d-e1daea30efee">Reinforcing for column and beam protection — structural concrete and poured gypsum</title><archive-num>2019: Sch. 5 (Annex): 11.3</archive-num><subclause id="_91f3e133-4611-44ba-b396-5c481f5e8809" outputclass="subclause"><title id="_339426db-ad47-4d9b-be6e-3992c536a647">SubClause</title><num>1</num><p>If a steel column or a steel beam is to be protected with structural concrete or poured gypsum, the concrete or gypsum must be reinforced with steel-wire mesh or steel-wire binding placed about 20 mm from its outer surface, and—</p><ol outputclass="alpha"><li id="_0450a0e2-2023-48a2-bd90-7ad55746321f">for concrete or gypsum less than 50 mm thick, the steel wire must be—<ol outputclass="alpha"><li>at least 3.15 mm in diameter; and</li><li>spaced at not more than 100 mm vertically; or</li></ol></li><li id="_7ffb274e-082e-4580-bada-90c146b031c1">for concrete or gypsum not less than 50 mm thick, the steel wire must be either—<ol outputclass="alpha"><li>of a diameter and spacing in accordance with (a); or</li><li>at least 5 mm in diameter and spaced at not more than 150 mm vertically.</li></ol></li></ol></subclause></clause>