<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference graph="None" id="_a1c29a52-ba49-40ba-a135-f5c91d7cf6c5"><num>S1C2f</num><title id="_bfcff9a9-0035-4a8d-bf60-d99f0d0d6896">FRLs deemed to be achieved by hot-rolled steel columns (including a fabricated column) exposed on no more than 3 sides and with column spaces filled</title><table id="_932e4da4-d6f9-4209-8e74-4ea4d0a42545" 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>60/60/60</entry><entry>90/90/90</entry><entry>120/120/120</entry><entry>180/180/180</entry><entry>240/240/240</entry></row></thead><tbody><row><entry>Solid calcium-silicate masonry</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>65</entry></row><row><entry>Solid clay masonry</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>90</entry></row><row><entry>Solid concrete masonry</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>90</entry></row><row><entry>Solid gypsum blocks</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>65</entry></row><row><entry>Hollow terracotta blocks — plastered 13 mm</entry><entry>50</entry><entry>50</entry><entry>50</entry><entry>65</entry><entry>90</entry></row></tbody></tgroup></table><desc-note id="_69d0f108-e40d-45ef-ab4a-c41f7d565e1a"><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="_baa975c9-baae-41f6-bf47-e1ffb08b7eae" scope="local" type="specification">Specification 2</xref>.</p></desc-note></table-reference>