<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:qxa="true" xmlns:xt="urn:xpressauthor:trackchanges" id="_bab93095-13c3-4acd-9104-50516a1919f7" outputclass="ncc-clause"><sptc>C2V3</sptc><title id="_ac5231b1-6d1d-494b-803f-2689d4e4b8bb">Determination of sanitary drainage wastewater flowrates</title><archive-num>New for 2022</archive-num><subclause id="_6684b768-01ca-4aef-ab28-3b3ac4b5d3b3" outputclass="subclause"><title id="_4d5e6cec-bc8f-47ed-889a-32bb707362a1">SubClause</title><num>1</num><p>Compliance with <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1809_1.13.0.xml#_a9276574-bc8f-4f07-ab54-191fdff44181" id="_84cfce76-a48c-49f1-bb0c-4b0dacb7b4db" referencetype="Text" scope="local" synctargettext="false" type="ncc-clause">C2P1</xref> for pipe sizing is verified for each sanitary <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1249_0.8.0.xml#_25307451-c7e1-4167-b4de-e5a1af26694c" id="_e661f568-3732-4b9a-80ba-745a0fe6d4f8" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">drainage</xref> pipework section when the design flow rate is not less than—</p><ol outputclass="alpha"><li id="_05ccce9a-db93-43e7-bb4a-08b771b51c01">the probable simultaneous wastewater flow rate calculated in accordance with (2); or</li><li id="_33dbe7f5-f46a-4c42-9fdb-ef7d6895dc67">the Discharge Unit (DU) value of the highest fixture connected upstream of the pipework section as given by <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml#_02cffc70-ba5e-479e-8288-67656ef5eff1" id="_5c4813f7-4844-4bcb-bced-cd383d89a335" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3b</xref>, in litres per second, whichever is greater.</li></ol></subclause><subclause id="_5d8a1fad-919d-41c1-8643-7fc503534098" outputclass="subclause"><title id="_3af653f5-cc2b-42da-aacf-99dcac9b3c97">SubClause</title><num>2</num><p>For the purposes of (1)(a), for each pipework section, the design probable simultaneous wastewater flow rate must be calculated in accordance with the following:</p><equation-block height="32" heightdpi="96" id="_6bceba50-b69d-401e-88f4-025ff51ed961" width="171" widthdpi="96"><mathML><!-- MathType@Translator@5@5@MathML2 (no namespace).tdl@MathML 2.0 (no namespace)@ --><math> <semantics>  <mrow>   <mi>Q</mi><mi>T</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>l</mi><mo>=</mo><mi>K</mi><msqrt>    <mrow>     <mstyle displaystyle="true">      <mo>∑</mo> <mrow>       <mi>D</mi><mi>U</mi></mrow>     </mstyle></mrow>   </msqrt>   <mo>+</mo><mi>Q</mi><mi>O</mi><mi>t</mi><mi>h</mi><mi>e</mi><mi>r</mi></mrow>  <annotation encoding="MathType-MTEF">MathType@MTEF@5@5@+=  feaahCart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn  hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr  4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9  vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x  fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyuaSGaam  ivaiaad+gacaWG0bGaamyyaiaadYgakiabg2da9iaadUeadaGcaaqa  amaaqaeabaGaamiraiaadwfaaSqabeqaniabggHiLdaaleqaaOGaey  4kaSIaamyuaSGaam4taiaadshacaWGObGaamyzaiaadkhaaaa@478F@  </annotation> </semantics></math><!-- MathType@End@5@5@ --></mathML><image content-type="gif">R0lGODlhqgAgAPAAAP///wAAACwAAAAAqgAgAAAC/4SPqcvtD6OctNqLs968+w+G4kiW5ommKhS0
7gvH8kwH640jds736+4LCkPAofFoKSKXzIatBmuaXjmXgeq8KhOtRYyLBVgv4VFxizqzDmMvQ81V
oCNw0XZe2nXX7L38HafzB0goSOT2czVxhzdoqBhYGPn4gfZU9tbo8LSYKXFHCSkZKirmZ0oxx8lJ
KqYj49kZ+wDK5og4+Qi0p3lrW2pqJYzB+rnJF1kLBgtcuttVTKWsK8i6StycNbpd96udK3qmx+t6
6n2+q2jt+vrl2JsdD94tnz2drldO7vVMeV0OsIISS+DqnUMVqpelfrry5auHqQ2vS5jojAnThp2v
TFBR+GX8tkwVtFUUNeKScumgQR/wOkhs+SNdwVYqXtrpAxPHPpoqa+KUcmOnQXNAixIpFgyK0aVm
TkGpyDSqBqJSq6agajVrHq1cu3r9CjZEAQAh/wtNYXRoVHlwZTAwMf8FAQAHB0RTTVQ3AAETV2lu
QWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5l
dwARBE1UIEV4dHJhABIACCEvRY9EL0FQ9BAPR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19B
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AAQAAAoBAAIAg1EACwIAg1QAAgCDbwACAIN0AAIAg2EAAgCDbAAKAgSGPQA9AgCDSwADAAoAAAEA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</image></equation-block></subclause><subclause id="_1330abb2-9699-43d8-8e90-c152f3a36118" outputclass="subclause"><title id="_f342fcd0-9b90-40cf-bb94-00c066a45562">SubClause</title><num>3</num><p>In the equation shown at (2):</p><ol outputclass="alpha"><li id="_5561efcf-f6c3-4c77-b75b-48a38973c971"><equation-inline height="22" heightdpi="96" id="_7ab92c54-997e-49c6-b1b2-a8110f7df61c" width="36" widthdpi="96"><mathML><math><semantics><mrow><mi>Q</mi><mi>T</mi><mi>o</mi><mi>t</mi><mi>a</mi><mi>l</mi></mrow><annotation encoding="MathType-MTEF">MathType@MTEF@5@5@+=  feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn  hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr  4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9  vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x  fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyuaSGaam  ivaiaad+gacaWG0bGaamyyaiaadYgaaaa@3B72@  </annotation></semantics></math></mathML><image content-type="gif">R0lGODlhJAAVAPAAAP///wAAACwAAAAAJAAVAAACTISPqcvtD6N0oYaJ79H48d1RyxcmpHFZFbSa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</image></equation-inline> = the probable simultaneous wastewater flowrate for that pipework section (l/s).</li><li id="_80ebd44d-d838-46b2-889f-dae9000658bd"><equation-inline height="22" heightdpi="96" id="_2217acef-6417-435d-a4f9-1cf91e77f96f" width="38" widthdpi="96"><mathML><math><semantics><mrow><mi>Q</mi><mi>O</mi><mi>t</mi><mi>h</mi><mi>e</mi><mi>r</mi></mrow><annotation encoding="MathType-MTEF">MathType@MTEF@5@5@+=  feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn  hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr  4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9  vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x  fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamyuaSGaam  4taiaadshacaWGObGaamyzaiaadkhaaaa@3B70@  </annotation></semantics></math></mathML><image content-type="gif">R0lGODlhJgAVAPAAAP///wAAACwAAAAAJgAVAAACToSPqcvtD6OcINhAMz47w855DxiKDWl0F2JR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</image></equation-inline> = the sum of any other wastewater flowrates such as pumped discharges (l/s).</li><li id="_a81961f9-d6b0-4487-b952-d5128b4292da"><equation-inline height="19" heightdpi="96" id="_e20e6bd2-ec39-44fe-ac22-a8a5ffde0e11" width="17" widthdpi="96"><mathML><math> <semantics>  <mi>K</mi>  <annotation encoding="MathType-MTEF">MathType@MTEF@5@5@+=  feaahCart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn  hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr  4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9  vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x  fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaam4saaaa@36C7@  </annotation> </semantics></math></mathML><image content-type="gif">R0lGODlhEQARAPAAAP///wAAACwAAAAAEQARAAACIYSPqcvtFiKModVz7Xw3u+p9oTYy3QNhXFJO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</image></equation-inline> = the frequency factor given in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5072_0.15.0.xml#_97bc37b5-1875-4650-8446-c4bf22bea7f1" id="_9c3cd76e-2373-4182-8a6a-99794ecb2e7f" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3a</xref> (dimensionless)<xt:insText xt:action="start" xt:author="Ian Findlay" xt:dateTime="2024-06-25T16:54:00" xt:id="1389e7a2-dc83-4ac5-ae9d-c7d1effae631"/>.<xt:insText xt:action="end" xt:id="1389e7a2-dc83-4ac5-ae9d-c7d1effae631"/></li><li id="_c2a1f70a-f74f-49dd-95ee-03eba702eb0f"><equation-inline height="27" heightdpi="96" id="_ff787cb5-fa0a-4a4d-8f45-cffe7c76821a" width="49" widthdpi="96"><mathML><math> <semantics>  <mrow>   <mstyle displaystyle="true">    <mo>∑</mo> <mrow>     <mi>D</mi><mi>U</mi></mrow>   </mstyle></mrow>  <annotation encoding="MathType-MTEF">MathType@MTEF@5@5@+=  feaahCart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn  hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr  4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9  vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x  fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaabqaeaaca  WGebGaamyvaaWcbeqab0GaeyyeIuoaaaa@39AE@  </annotation> </semantics></math></mathML><image content-type="gif">R0lGODlhMQAaAPAAAP///wAAACwAAAAAMQAaAAACZISPqcvtD6OctNqLMw28e69JXDMyX4B8R7eU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</image></equation-inline> = the sum of the discharge units as given in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml#_02cffc70-ba5e-479e-8288-67656ef5eff1" id="_c61b56c5-d2db-4684-a57f-4451109abcfd" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3b</xref> connected upstream of that pipework section (dimensionless).</li></ol></subclause><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5072_0.15.0.xml" graph="None" id="_97bc37b5-1875-4650-8446-c4bf22bea7f1" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:41:18" xt:type="insert"><num/><title id="_ecfb30fc-a26f-4725-8349-f621e073f2a1"/></table-reference><table-reference conref="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml" graph="None" id="_02cffc70-ba5e-479e-8288-67656ef5eff1" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:41:49" xt:type="insert"><num/><title id="_ec123910-11aa-45f5-8743-0682cb27809c"/></table-reference><callout id="_24941752-25ff-424e-96ca-dbfc54c9e439" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:59" xt:type="delete"><callout-type ncc-info-type="info" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:59" xt:type="delete"/><p xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:43" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="de6a777e-6093-492d-81a4-e9c9c37b2387"/>System types referred to in <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml#_02cffc70-ba5e-479e-8288-67656ef5eff1" id="_c99e2e9e-cd13-4533-a8aa-f35498354189" referencetype="Text" scope="local" synctargettext="false" type="table-reference" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:43" xt:type="delete">Table C2V3b</xref> are as follows:<xt:delText xt:action="end" xt:id="de6a777e-6093-492d-81a4-e9c9c37b2387"/></p><ul xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><li xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="835021c3-931b-4f81-acc8-1f63f417a9ab"/>System 1 - A sanitary <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1249_0.8.0.xml#_25307451-c7e1-4167-b4de-e5a1af26694c" id="_dbcf64a5-9599-4c72-a7ba-6d1ecae56c21" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete">drainage</xref> system where branch discharge pipes are designed with a filling degree of 50%.<xt:delText xt:action="end" xt:id="835021c3-931b-4f81-acc8-1f63f417a9ab"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="a6683f84-355e-4158-abd5-bf8fe81932cb"/>System 2 - A sanitary <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1249_0.8.0.xml#_25307451-c7e1-4167-b4de-e5a1af26694c" id="_753789dc-00b1-4106-b470-b59f0ac04fa4" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete">drainage</xref> system where branch discharge pipes are designed with a filling degree of 70%.<xt:delText xt:action="end" xt:id="a6683f84-355e-4158-abd5-bf8fe81932cb"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="b99f8576-36b9-419c-8b22-8c12eb8b0943"/>System 3 - A sanitary <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1249_0.8.0.xml#_25307451-c7e1-4167-b4de-e5a1af26694c" id="_a7f95c0c-4868-45ef-8809-5f7c43b7f107" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete">drainage</xref> system where branch discharge pipes are designed with a filling degree of 100%. <xt:delText xt:action="end" xt:id="b99f8576-36b9-419c-8b22-8c12eb8b0943"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="ab5d4cba-5371-485e-b0ef-9f460723c0e0"/>Systems 1 and 2 are similar to the fully vented modified system and System 3 is similar to the single stack system, as detailed in AS/NZS 3500.2. <xt:delText xt:action="end" xt:id="ab5d4cba-5371-485e-b0ef-9f460723c0e0"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:42" xt:type="delete"><xt:delText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T15:44:00" xt:id="ffe75644-0768-441c-8595-48432896419f"/>Filling degree is defined as the ratio between the height of fluid in a pipe (h) and the diameter of the pipe (D), or h/D.<xt:delText xt:action="end" xt:id="ffe75644-0768-441c-8595-48432896419f"/></li></ul></callout><callout id="_a54670aa-d7b9-4f3b-a259-8ccc6be13b53" xt:author="Lucy Bolding" xt:dateTime="2024-08-21T22:39:59" xt:type="insert"><callout-type ncc-info-type="notes" xt:author="Lucy Bolding" xt:dateTime="2024-08-21T22:39:59" xt:type="insert"/><p xt:author="Lucy Bolding" xt:dateTime="2024-08-21T22:40:25" xt:type="insert"><xt:insText xt:action="start" xt:author="Lucy Bolding" xt:dateTime="2024-08-21T22:40:00" xt:id="d045de90-28d3-4f13-bc8a-6fabc8ff0741"/>In applying Table C2V3b, the practitioner may introduce their own fixture values where a desired fixture type is not listed.<xt:insText xt:action="end" xt:id="d045de90-28d3-4f13-bc8a-6fabc8ff0741"/></p></callout><callout id="_3ee78930-f5e2-45e3-93ce-9cd415355116"><callout-type ncc-info-type="info"/><title id="_c26423e2-65d0-4362-a846-3128fa8e833d"><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:02:00" xt:id="285f66b4-4960-49f8-aae2-b1a14b3e3530"/>Table C2V3<xt:insText xt:action="end" xt:id="285f66b4-4960-49f8-aae2-b1a14b3e3530"/><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-03-27T14:01:00" xt:id="51241d0e-4a36-4522-8e48-ffdb357f2ef1"/>a<xt:insText xt:action="end" xt:id="51241d0e-4a36-4522-8e48-ffdb357f2ef1"/></title><p><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:03:00" xt:id="267cd8e2-44bf-4c90-bb53-12331fac13a0"/>When using <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5072_0.15.0.xml#_97bc37b5-1875-4650-8446-c4bf22bea7f1" id="_ff635ebe-0e22-4b23-af44-cd8255588532" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3a</xref>, the hydraulic practitioner should use their own judgement to select the frequency factor most appropriate to their design based on the estimated average time between fixture usage during peak periods of use.<xt:insText xt:action="end" xt:id="267cd8e2-44bf-4c90-bb53-12331fac13a0"/></p></callout><callout id="_1ae5b8d6-bcbe-4105-b0bc-91495eaea8c0"><callout-type ncc-info-type="info"/><title id="_3473e1b8-12b4-457d-903c-2c6141cedf61"><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:03:00" xt:id="eb83ccd2-82a2-4b60-ac37-e50b79354dc8"/>Table C2V3b<xt:insText xt:action="end" xt:id="eb83ccd2-82a2-4b60-ac37-e50b79354dc8"/></title><p><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:03:00" xt:id="b192bbb0-e81e-40b6-ac87-86d00902177f"/>Considerations when using <xt:insText xt:action="end" xt:id="b192bbb0-e81e-40b6-ac87-86d00902177f"/><xt:insText xt:action="start" xt:author="Ian Findlay" xt:dateTime="2024-06-25T16:50:00" xt:id="81801a15-1d75-45b9-b264-a74f5a9acd7f"/><xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml#_02cffc70-ba5e-479e-8288-67656ef5eff1" id="_d501d30d-f10c-41ee-9324-dc5ec353fa2b" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3b</xref><xt:insText xt:action="end" xt:id="81801a15-1d75-45b9-b264-a74f5a9acd7f"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:03:00" xt:id="7a66c115-8e7d-4943-8f89-d8d76aafbb23"/> are as follows:<xt:insText xt:action="end" xt:id="7a66c115-8e7d-4943-8f89-d8d76aafbb23"/></p><ul xt:author="Lee Liu" xt:dateTime="2024-03-07T16:04:02" xt:type="insert"><li xt:author="Lee Liu" xt:dateTime="2024-03-07T16:04:02" xt:type="insert"><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="23f3d263-5d0c-4f8e-b5e4-20902a5f6494"/>The Discharge Unit (DU) values in <xt:insText xt:action="end" xt:id="23f3d263-5d0c-4f8e-b5e4-20902a5f6494"/><xt:insText xt:action="start" xt:author="Ian Findlay" xt:dateTime="2024-06-25T16:51:00" xt:id="5963be07-67ed-4dde-9f24-5dff05c59b0c"/><xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/5073_0.10.0.xml#_02cffc70-ba5e-479e-8288-67656ef5eff1" id="_ba456cd2-c263-46c1-92c6-2a06cbf653c4" referencetype="Text" scope="local" synctargettext="false" type="table-reference">Table C2V3b</xref><xt:insText xt:action="end" xt:id="5963be07-67ed-4dde-9f24-5dff05c59b0c"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="2170c434-90a2-43eb-b749-a649e2088f6f"/> are based on the BS EN 12056.2 System II fixture values where branch discharge pipes are designed with a filling degree of 70%. The use of these fixture values is up to the discretion of the practitioner.<xt:insText xt:action="end" xt:id="2170c434-90a2-43eb-b749-a649e2088f6f"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:49" xt:type="insert"><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="0141a7eb-62bd-4ece-826a-91a56a5a6efd"/>Filling degree is defined as the ratio between the height of fluid in a pipe (h) and the internal diameter of the pipe (D), or h/D.<xt:insText xt:action="end" xt:id="0141a7eb-62bd-4ece-826a-91a56a5a6efd"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:50" xt:type="insert"><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="e5257cfb-6e17-4252-b654-21e17f10ce0b"/>Where a washing machine is connected to a <xt:insText xt:action="end" xt:id="e5257cfb-6e17-4252-b654-21e17f10ce0b"/><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-26T12:11:00" xt:id="e8683004-2b49-41e1-93f5-b9672d10e5fb"/>fixture<xt:insText xt:action="end" xt:id="e8683004-2b49-41e1-93f5-b9672d10e5fb"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="229370ed-f236-42d5-b310-7ac3949e6841"/> trap, only the <xt:insText xt:action="end" xt:id="229370ed-f236-42d5-b310-7ac3949e6841"/><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-09-26T12:11:00" xt:id="6c542c3a-e0f5-4c64-b495-8d3a10def57e"/>fixture<xt:insText xt:action="end" xt:id="6c542c3a-e0f5-4c64-b495-8d3a10def57e"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="df32321c-988d-4794-92f9-5ee4c768d9e5"/> discharge unit is considered.<xt:insText xt:action="end" xt:id="df32321c-988d-4794-92f9-5ee4c768d9e5"/></li><li xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:52" xt:type="insert"><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-08-23T14:07:00" xt:id="6c3a24af-8777-44dc-981a-4046eb7585ba"/>In applying the note, e<xt:insText xt:action="end" xt:id="6c3a24af-8777-44dc-981a-4046eb7585ba"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="09f83e45-153c-418b-b6af-6e8017ac8ee6"/>vidence of engineering best practice, careful consideration and<xt:insText xt:action="end" xt:id="09f83e45-153c-418b-b6af-6e8017ac8ee6"/><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-08-23T14:08:00" xt:id="23572275-9460-449f-8b54-1ff2555e2240"/>/or<xt:insText xt:action="end" xt:id="23572275-9460-449f-8b54-1ff2555e2240"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="39bc9a1d-bdc5-452f-aea5-7695f6d63669"/> experimentation demonstrating the real-life performance of the fixture(s) compared with the proposed DU values <xt:insText xt:action="end" xt:id="39bc9a1d-bdc5-452f-aea5-7695f6d63669"/><xt:insText xt:action="start" xt:author="Jerome Samuel" xt:dateTime="2024-08-23T14:07:00" xt:id="6ba56cc2-db47-49d8-94a7-a0791b618a1e"/>should<xt:insText xt:action="end" xt:id="6ba56cc2-db47-49d8-94a7-a0791b618a1e"/><xt:insText xt:action="start" xt:author="Lee Liu" xt:dateTime="2024-03-07T16:05:00" xt:id="b2a4c09d-2da3-45e8-a285-b9f3a748d9f1"/> be provided.<xt:insText xt:action="end" xt:id="b2a4c09d-2da3-45e8-a285-b9f3a748d9f1"/></li></ul></callout></clause>