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		<id>https://www.designingbuildings.co.uk/w/index.php?action=history&amp;feed=atom&amp;title=Water_system</id>
		<title>Water system - Revision history</title>
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		<updated>2026-05-19T11:45:51Z</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=Water_system&amp;diff=297609&amp;oldid=prev</id>
		<title>Designing Buildings at 07:17, 7 March 2025</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Water_system&amp;diff=297609&amp;oldid=prev"/>
				<updated>2025-03-07T07:17:08Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: white; color:black;&quot;&gt;
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		&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 07:17, 7 March 2025&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 colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;color: red; font-weight: bold; text-decoration: none;&quot;&gt;[https://www.bsria.com/uk/product/rgoear/commissioning_responsibilities_framework_bg_882025__a15d25e1 BG 88 Commissioning Responsibilities Framework], by Matt Lowry, published by BSRIA in January 2025, states in relation to water systems: ‘This term has the same meaning as in CIBSE Code W and BSRIA BG 2. Water systems are systems which use water in pipes as a means of transferring heat. This includes closed heating and cooling systems, open systems such as cooling tower condenser loops, ground source heat pump collector loops and heat networks. These systems are often referred to as hydronic systems.’&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt;&amp;#160;&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 style=&quot;color: red; font-weight: bold; text-decoration: none;&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;div&gt;[http://apps.who.int/iris/bitstream/handle/10665/76145/9789241548106_eng.pdf Water safety in buildings], published by the World Health Organization in 2011, states in relation to water systems (external or building-specific): ‘An external system is one that provides multiple users and can be either publicly or privately owned. A building-specific supply is defined as an individual and isolated drinking-water system that is distinct from any external water system.’&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;[http://apps.who.int/iris/bitstream/handle/10665/76145/9789241548106_eng.pdf Water safety in buildings], published by the World Health Organization in 2011, states in relation to water systems (external or building-specific): ‘An external system is one that provides multiple users and can be either publicly or privately owned. A building-specific supply is defined as an individual and isolated drinking-water system that is distinct from any external water system.’&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;/table&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

	<entry>
		<id>https://www.designingbuildings.co.uk/w/index.php?title=Water_system&amp;diff=213321&amp;oldid=prev</id>
		<title>Designing Buildings: Created page with &quot;[http://apps.who.int/iris/bitstream/handle/10665/76145/9789241548106_eng.pdf Water safety in buildings], published by the World Health Organization in 2011, states in relation to...&quot;</title>
		<link rel="alternate" type="text/html" href="https://www.designingbuildings.co.uk/w/index.php?title=Water_system&amp;diff=213321&amp;oldid=prev"/>
				<updated>2021-09-16T08:11:57Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;[http://apps.who.int/iris/bitstream/handle/10665/76145/9789241548106_eng.pdf Water safety in buildings], published by the World Health Organization in 2011, states in relation to...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;[http://apps.who.int/iris/bitstream/handle/10665/76145/9789241548106_eng.pdf Water safety in buildings], published by the World Health Organization in 2011, states in relation to water systems (external or building-specific): ‘An external system is one that provides multiple users and can be either publicly or privately owned. A building-specific supply is defined as an individual and isolated drinking-water system that is distinct from any external water system.’&lt;br /&gt;
&lt;br /&gt;
= Related articles =&lt;br /&gt;
&lt;br /&gt;
* Backflow.&lt;br /&gt;
* Contamination.&lt;br /&gt;
* Decontamination.&lt;br /&gt;
* Domestic hot water.&lt;br /&gt;
* Infection.&lt;br /&gt;
* Legionella.&lt;br /&gt;
* Ofwat.&lt;br /&gt;
* System.&lt;br /&gt;
* System of system.&lt;br /&gt;
* Types of water.&lt;br /&gt;
* Water safety plan WSP&lt;br /&gt;
* Water.&lt;br /&gt;
&lt;br /&gt;
[[Category:DCN_Definition]] [[Category:Definitions]] [[Category:Water]]&lt;/div&gt;</summary>
		<author><name>Designing Buildings</name></author>	</entry>

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