<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference graph="None" id="_550c8399-b9b7-411a-b5dd-6a1a07939fc7"><num>S1C2j</num><title id="_19eecc5d-9ac0-4017-ad87-6412768a9906">FRLs deemed to be achieved by hot-rolled steel columns (including a fabricated column) exposed on no more than 4 sides and with column spaces unfilled</title><table id="_dbb89217-f367-4b37-948d-6f55dadf5757" keycol="1"><tgroup cols="6"><colspec colname="001" colnum="1" colwidth="216.00*"/><colspec colname="002" colnum="2" colwidth="43.20*"/><colspec colname="006" colnum="3" colwidth="43.20*"/><colspec colname="005" colnum="4" colwidth="43.20*"/><colspec colname="004" colnum="5" colwidth="43.20*"/><colspec colname="003" colnum="6" colwidth="43.20*"/><thead><row><entry morerows="1">Fire protection</entry><entry nameend="003" namest="002">Minimum thickness (mm) of principal material for FRLs</entry></row><row><entry>60/–/–</entry><entry>90/–/–</entry><entry>120/–/–</entry><entry>180/–/–</entry><entry>240/–/–</entry></row></thead><tbody><row><entry>Solid calcium-silicate masonry</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>-</entry><entry>-</entry></row><row><entry>Solid clay masonry</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>-</entry><entry>-</entry></row><row><entry>Solid concrete masonry</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>-</entry><entry>-</entry></row><row><entry>Solid gypsum blocks</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>-</entry><entry>-</entry></row><row><entry>Hollow terracotta blocks — plastered 13 mm</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>-</entry><entry>-</entry></row></tbody></tgroup></table><desc-note id="_9966d8ee-d5b7-43e4-a9d6-742c508960d4"><p>For the purposes of this table, each element must meet the requirements of <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1068_0.7.0.xml#_8c634e59-ec17-4526-a79b-a7641f283bf7" id="_1a14c9a8-b623-4a7d-bf30-77e69f9737b8" scope="local" type="specification">Specification 2</xref>.</p></desc-note></table-reference>