<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference graph="None" id="_4503fa89-d831-4d3d-9228-25aa7c798fb1"><num>4.2.20c</num><title id="_551da096-d2cb-428d-ba57-fc7fe6b99d1a">Localised thickening under concentrated load — tiled floor and tiled roof — roof load area = maximum 18 m<sup id="_dad0ba23-218c-4aac-b5dc-a5fac37d9f61">2</sup></title><table id="_d53b21d5-6b28-4ab5-a9d5-0b79cb55c4b1" keycol="1"><tgroup cols="4"><colspec colname="001" colnum="1" colwidth="108.00*"/><colspec colname="002" colnum="2" colwidth="108.00*"/><colspec colname="003" colnum="3" colwidth="108.00*"/><colspec colname="004" colnum="4" colwidth="108.00*"/><thead><row><entry morerows="1">Localised thickening</entry><entry nameend="004" namest="002">Maximum floor load area (m<sup id="_fff86563-89f3-4abf-828b-00a5296f93b9">2</sup>)</entry></row><row><entry>4</entry><entry>10</entry><entry>16</entry></row></thead><tbody><row><entry>Square thickening size (mm)</entry><entry>750 x 750</entry><entry>900 x 900</entry><entry>1000 x 1000</entry></row><row><entry>Thickening depth (mm)</entry><entry>400</entry><entry>450</entry><entry>500</entry></row></tbody></tgroup></table><desc-note id="_e8e04a65-19f5-4e86-a26f-5daab7481582"><ol outputclass="numbered"><li id="_09e14e19-7ab1-49c2-80c3-d42539b5b69e">Load accounted for includes 0.98 kPa permanent tiled floor, 0.85 kPa permanent tiled roof, 1.16 kN/m permanent wall, permanent member self-weight, 1.5 kPa or 1.1 kN imposed floor and 0.25 kPa imposed roof.</li><li id="_cf7ea2b4-185a-4b52-a6b0-228512e45a6b">Load combinations included are G + 0.5Q for ULS.</li><li id="_55002bb8-59d7-4d01-8012-a93af4a42c27">Minimum bearing pressure is 1000 kPa for pad footings.</li><li id="_dbf9246e-a07d-467a-83ad-44918c622308">The length of wall allowed for is equal to the square root of the floor area.</li></ol></desc-note></table-reference>