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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Cleanliness_quality_class</id>
		<title>Cleanliness quality class - Revision history</title>
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		<updated>2026-04-06T09:48:46Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=281080&amp;oldid=prev</id>
		<title>Editor at 05:06, 18 July 2024</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=281080&amp;oldid=prev"/>
				<updated>2024-07-18T05:06:36Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 05:06, 18 July 2024&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The BSRIA guide to 'Commissioning Air Systems' ([https://www.bsria.com/uk/product/rqJzen/commissioning_air_systems_bg_492024_a15d25e1/ BG 49/2024]), written by by Keith Barker and published by BSRIA in March 2024, explains how to commission ducted air distribution systems in buildings. It was originally published in 2013, 2015 with the latest update in 2024&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;The BSRIA guide to 'Commissioning Air Systems' ([https://www.bsria.com/uk/product/rqJzen/commissioning_air_systems_bg_492024_a15d25e1/ BG 49/2024]), written by by Keith Barker and published by BSRIA in March 2024, explains how to commission ducted air distribution systems in buildings. It was originally published in 2013, &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;then &lt;/ins&gt;2015 with the latest update in 2024&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It defines cleanliness quality class for the purposes of the guide as: ‘A quantifiable level of duct cleanliness that should be achieved prior to handover. It should be specified as high, medium or low prior to contract commencement based on a British &amp;amp;amp; European Standard.’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It defines cleanliness quality class for the purposes of the guide as: ‘A quantifiable level of duct cleanliness that should be achieved prior to handover. It should be specified as high, medium or low prior to contract commencement based on a British &amp;amp;amp; European Standard.’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=281079&amp;oldid=prev</id>
		<title>Editor at 05:04, 18 July 2024</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=281079&amp;oldid=prev"/>
				<updated>2024-07-18T05:04:26Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
			&lt;col class='diff-marker' /&gt;
			&lt;col class='diff-content' /&gt;
		&lt;tr valign='top'&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;← Older revision&lt;/td&gt;
		&lt;td colspan='2' style=&quot;background-color: white; color:black;&quot;&gt;Revision as of 05:04, 18 July 2024&lt;/td&gt;
		&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;minus;&lt;/td&gt;&lt;td style=&quot;background: #ffa; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;[https://www.bsria.com/uk/product/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;qB4YRr&lt;/del&gt;/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;commissioning_air_systems_bg_492015_a15d25e1&lt;/del&gt;/ &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Commissioning Air Systems (&lt;/del&gt;BG 49/&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2015&lt;/del&gt;)&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;]&lt;/del&gt;, written by &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Chris Parsloe &lt;/del&gt;and published by BSRIA in March &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2015&lt;/del&gt;, explains how to commission ducted air distribution systems in buildings. It was originally published in 2013 &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;and was then updated &lt;/del&gt;in &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;2015.&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;background: #cfc; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;The BSRIA guide to 'Commissioning Air Systems' (&lt;/ins&gt;[https://www.bsria.com/uk/product/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;rqJzen&lt;/ins&gt;/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;commissioning_air_systems_bg_492024_a15d25e1&lt;/ins&gt;/ BG 49/&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2024]&lt;/ins&gt;), written by &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;by Keith Barker &lt;/ins&gt;and published by BSRIA in March &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2024&lt;/ins&gt;, explains how to commission ducted air distribution systems in buildings. It was originally published in 2013&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;, 2015 with the latest update &lt;/ins&gt;in &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;2024&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It defines cleanliness quality class for the purposes of the guide as: ‘A quantifiable level of duct cleanliness that should be achieved prior to handover. It should be specified as high, medium or low prior to contract commencement based on a British &amp;amp;amp; European Standard.’&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background: #eee; color:black; font-size: smaller;&quot;&gt;&lt;div&gt;It defines cleanliness quality class for the purposes of the guide as: ‘A quantifiable level of duct cleanliness that should be achieved prior to handover. It should be specified as high, medium or low prior to contract commencement based on a British &amp;amp;amp; European Standard.’&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Editor</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=267651&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[https://www.bsria.com/uk/product/qB4YRr/commissioning_air_systems_bg_492015_a15d25e1/ Commissioning Air Systems (BG 49/2015)], written by Chris Parsloe and published by BSRIA in...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Cleanliness_quality_class&amp;diff=267651&amp;oldid=prev"/>
				<updated>2023-12-31T08:58:31Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[https://www.bsria.com/uk/product/qB4YRr/commissioning_air_systems_bg_492015_a15d25e1/ Commissioning Air Systems (BG 49/2015)], written by Chris Parsloe and published by BSRIA in...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[https://www.bsria.com/uk/product/qB4YRr/commissioning_air_systems_bg_492015_a15d25e1/ Commissioning Air Systems (BG 49/2015)], written by Chris Parsloe and published by BSRIA in March 2015, explains how to commission ducted air distribution systems in buildings. It was originally published in 2013 and was then updated in 2015.&lt;br /&gt;
&lt;br /&gt;
It defines cleanliness quality class for the purposes of the guide as: ‘A quantifiable level of duct cleanliness that should be achieved prior to handover. It should be specified as high, medium or low prior to contract commencement based on a British &amp;amp;amp; European Standard.’&lt;br /&gt;
&lt;br /&gt;
--[[User:BSRIA|BSRIA]]&lt;br /&gt;
&lt;br /&gt;
= Related articles on Designing Buildings =&lt;br /&gt;
&lt;br /&gt;
* Air conditioning.&lt;br /&gt;
* BSRIA articles.&lt;br /&gt;
* BSRIA definitions.&lt;br /&gt;
* Building services.&lt;br /&gt;
* Commissioning.&lt;br /&gt;
* Ductwork.&lt;br /&gt;
* Flexible ductwork.&lt;br /&gt;
* Mechanical ventilation.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]] [[Category:Standards_/_measurements]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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