<?xml version="1.0" encoding="UTF-8" standalone="no"?><table-reference xmlns:xt="urn:xpressauthor:trackchanges" author="Brandon Kiem" dateTime="2022-03-29T21:18:15" graph="None" id="_a35d8b47-cadc-4279-ada2-a3d51f38b318" type="insert"><num>S45C3n</num><title id="_658a5b2b-2cdb-4a8f-a12b-3e6995d61096">Wind pressure coefficients for natural ventilation of low-rise buildings (total height less than 12 m)</title><table id="_296e9b4d-f4b4-48bf-b58c-3c5f42acc55e" keycol="1"><tgroup cols="7"><colspec colname="001" colnum="1" colwidth="61.65*"/><colspec colname="002" colnum="2" colwidth="61.90*"/><colspec colname="003" colnum="3" colwidth="71.40*"/><colspec colname="007" colnum="4" colwidth="59.25*"/><colspec colname="006" colnum="5" colwidth="59.25*"/><colspec colname="005" colnum="6" colwidth="59.30*"/><colspec colname="004" colnum="7" colwidth="59.30*"/><thead><row><entry morerows="1">Exposure type

</entry><entry morerows="1">Façade component

</entry><entry nameend="004" namest="003">Wind direction (0° perpendicular to face)</entry></row><row><entry>0</entry><entry>45</entry><entry>90</entry><entry>135</entry><entry>180</entry></row></thead><tbody><row><entry morerows="3">Exposed</entry><entry>Wall</entry><entry>0.70</entry><entry>035</entry><entry>-0.50</entry><entry>-0.40</entry><entry>-0.20</entry></row><row><entry>Roof pitch &lt; 10 degrees</entry><entry>-0.80</entry><entry>-0.70</entry><entry>-0.60</entry><entry>-0.50</entry><entry>-0.40</entry></row><row><entry>Roof pitch 10 to 30 degrees</entry><entry>-0.40</entry><entry>-0.50</entry><entry>-0.60</entry><entry>-0.50</entry><entry>-0.40</entry></row><row><entry>Roof pitch &gt; 30 degrees</entry><entry>0.30</entry><entry>-0.40</entry><entry>-0.60</entry><entry>-0.40</entry><entry>-0.50</entry></row><row><entry morerows="3">Semi-exposed</entry><entry>Wall</entry><entry>0.40</entry><entry>0.10</entry><entry>-0.30</entry><entry>-0.35</entry><entry>-0.20</entry></row><row><entry>Roof pitch &lt; 10 degrees</entry><entry>-0.60</entry><entry>-0.50</entry><entry>-0.40</entry><entry>-0.50</entry><entry>-0.60</entry></row><row><entry>Roof pitch 10 to 30 degrees</entry><entry>-0.35</entry><entry>-0.45</entry><entry>-0.55</entry><entry>-0.45</entry><entry>-0.35</entry></row><row><entry>Roof pitch &gt; 30 degrees</entry><entry>0.30</entry><entry>-0.50</entry><entry>-0.60</entry><entry>-0.50</entry><entry>-0.50</entry></row><row><entry morerows="3">Sheltered</entry><entry>Wall</entry><entry>0.20</entry><entry>0.05</entry><entry>-0.25</entry><entry>-0.30</entry><entry>-0.25</entry></row><row><entry>Roof pitch &lt; 10 degrees</entry><entry>-0.50</entry><entry>-0.50</entry><entry>-0.40</entry><entry>-0.50</entry><entry>-0.50</entry></row><row><entry>Roof pitch 10 to 30 degrees</entry><entry>-0.30</entry><entry>-0.40</entry><entry>-0.50</entry><entry>-0.40</entry><entry>-0.30</entry></row><row><entry>Roof pitch &gt; 30 degrees</entry><entry>0.25</entry><entry>-0.30</entry><entry>-0.50</entry><entry>-0.30</entry><entry>-0.40</entry></row></tbody></tgroup></table><desc-note id="_c552f02c-e9fd-47c7-ad11-28e812377527"><p>Pressure coefficient exposure categories are defined as follows:</p><ol outputclass="alpha"><li id="_736f97f8-97fd-4668-b336-b4a41b5ef398">Exposed – no obstructions surrounding the building (e.g. open fields or bodies of water).</li><li id="_32597463-0fa3-4f01-af08-93bcc40ec3b4">Semi-exposed – some obstructions comparable to the height of the building on some but not all sides.</li><li id="_acb0686b-2005-4b40-b5bf-e32668c862f0">Sheltered – obstructions comparable to the height of the building on all sides.</li></ol></desc-note></table-reference>