<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference graph="None" id="_9697b5bc-cf77-4d08-97be-812c9d829861"><num>4.2.20b</num><title id="_b0df64f6-29e9-4abb-ba8c-1282cce9db99">Localised thickening under concentrated load — tiled floor and tiled roof — roof load area = maximum 9 m<sup id="_bceddc38-56d6-4d32-a745-c993f7a4ab9a">2</sup></title><table id="_43b5d43f-152e-4612-b329-be922b016d59" 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="_8449475b-1f4b-4043-acc6-8bc7b77d3957">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>650 x 650</entry><entry>800 x 800</entry><entry>950 x 950</entry></row><row><entry>Thickening depth (mm)</entry><entry>350</entry><entry>400</entry><entry>450</entry></row></tbody></tgroup></table><desc-note id="_95b1ac74-f871-43fc-98ee-06d35b6ccd2e"><ol outputclass="numbered"><li id="_8cf13212-0af4-4a98-994e-4fb0f933387f">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="_5cba39fb-8792-4d16-a244-ab8b11f4916a">Load combinations included are G + 0.5Q for ULS.</li><li id="_4c0062e4-95ac-4157-9ef5-860dc30602f3">Minimum bearing pressure is 1000 kPa for pad footings.</li><li id="_eb40b98f-f6a2-4e35-803c-4bfb43a037b1">The length of wall allowed for is equal to the square root of the floor area.</li></ol></desc-note></table-reference>