<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" graph="None" id="_d5de66e4-d4db-4a8b-8c7e-de73d543f6f0"><num>6.3.4d</num><title id="_105540be-74ec-4e50-a2bd-2c2d72198464">Maximum counter-strutting beam span — counter-strutting beam supporting metal sheet roof and plasterboard ceiling — roof load area = 4 m<sup id="_ea2655df-9dd3-4bae-8f1d-673eca4cadd7">2</sup></title><table id="_66567435-dede-4272-956f-aee5050c5dc6" keycol="1"><tgroup cols="4"><colspec colname="001" colnum="1" colwidth="129.75*"/><colspec colname="002" colnum="2" colwidth="100.75*"/><colspec colname="005" colnum="3" colwidth="100.75*"/><colspec colname="006" colnum="4" colwidth="100.80*"/><thead><row><entry morerows="1">Section</entry><entry nameend="006" namest="002">Ceiling load area (m<sup id="_73b09db9-e7e0-4847-a6a9-de52b6c7a083">2</sup>)</entry></row><row><entry>0</entry><entry>6</entry><entry>12</entry></row></thead><tbody><row><entry>125 TFB</entry><entry>3.9</entry><entry>3.5</entry><entry>3.2</entry></row><row><entry>150 UB 14.0</entry><entry>4.0</entry><entry>3.7</entry><entry>3.4</entry></row><row><entry>200 UB 18.2</entry><entry>5.4</entry><entry>4.9</entry><entry>4.6</entry></row><row><entry>250 UB 31.4</entry><entry>8.9</entry><entry>8.2</entry><entry>7.7</entry></row><row><entry>310 UB 46.2</entry><entry>12.0</entry><entry>11.3</entry><entry>10.7</entry></row><row><entry>100 TFB</entry><entry>2.0</entry><entry>1.8</entry><entry>1.6</entry></row><row><entry>150 PFC</entry><entry>5.9</entry><entry>5.3</entry><entry>4.9</entry></row><row><entry>200 PFC</entry><entry>7.1</entry><entry>6.5</entry><entry>6.0</entry></row><row><entry>250 PFC</entry><entry>10.1</entry><entry>9.3</entry><entry>8.7</entry></row><row><entry>300 PFC</entry><entry>10.5</entry><entry>9.8</entry><entry>9.2</entry></row></tbody></tgroup></table><desc-note id="_e1b7bac9-cba2-4bc8-8cfe-6f491010d671"><ol outputclass="numbered"><li id="_11ec8d56-a820-4a03-a440-be64f550e4e6">Load accounted for includes 0.2 kPa permanent ceiling, 0.4 kPa permanent roof, permanent member self-weight, 0.25 kPa imposed roof, positive roof wind pressure of 0.95 kPa and negative roof wind pressure of -1.49 kPa.</li><li id="_c093730d-fab7-4dba-9d48-4e0f878094f7">Load combinations included are 1.35G and 1.25G + 1.5Q, 1.25G + W<sub id="_db8f6842-3c43-4fce-a711-03b219268327">U</sub> + 0.4Q, 0.9G + W<sub id="_db97ff90-7f69-43d4-9b2d-405ad5ef3a21">U</sub> for ULS and G + 0.7Q, G+W<sub id="_a0563d21-a0d3-418c-ba38-10153403f7b8">S</sub>.</li><li id="_5cbc97b8-bdff-49e6-9260-d2039fce3526">0.9G + W<sub id="_620bf35f-b4ba-4649-be17-bd4337cd5aff">S</sub> for SLS with a maximum deflection of span/300.</li><li id="_094e99f4-b70e-45a1-b0dc-8f2b0c6daa11">Strutting beams are assumed to be partially restrained at both ends with no rotational restraint and are designed as members without full lateral restraint.</li><li id="_2cc3fd97-507c-47cb-b342-fab2ec3a72ae">A ceiling load area of “0” must be used for strutting beams not supporting ceiling loads.</li></ol></desc-note></table-reference>