<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause xmlns:xt="urn:xpressauthor:trackchanges" id="_17052250-2865-460c-bbf9-e3dcc07006e7" outputclass="ncc-clause"><sptc>C1P3</sptc><title id="_36342d80-1bc3-49d7-81c1-d08d0f74383b">Water efficiency</title><archive-num>2019: CP1.1</archive-num><subclause id="_25426370-afb7-4e71-9f8d-07f10be80458" outputclass="subclause"><title id="_85d95621-2d1f-4ec7-8024-ed3dc0268716">SubClause</title><num>1</num><p>A sanitary <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1401_0.7.0.xml#_a318c0f3-5635-4ac0-b103-59d798c9f23d" id="_bc7d8361-c006-4a60-9800-9d1cb74482cf" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">plumbing</xref> system must ensure efficient use of <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1250_0.7.0.xml#_762d6a54-e28c-400b-b9c5-5fceac019a05" id="_35e185e9-15fa-41cc-80a5-894c6d7d157c" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">drinking water</xref> by— </p><ol outputclass="alpha"><li id="_1062dc00-fb0d-49d9-a887-b0b3d6123b8d">limiting water usage from—<ol><li id="_39c3c92e-28a8-4de7-89ad-2e88a1bd358f">a cistern or flushing device for a urinal, to a flush volume of not more than 2.5 litres for each—<ol><li>single urinal stall; or </li><li>600 mm length of a continuous urinal wall; and </li></ol></li><li>a dual flush cistern or flushing valve that is connected to a water closet pan to a flush volume of not more than— <ol><li>6 and 3 litres; or</li><li>4.5 and 3 litres; or</li></ol></li></ol></li><li id="_81df840b-e68a-4d7f-a704-bd98fbfca9dc">water saving measures <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1260_2.0.0.xml#_6a914e67-bc6e-4499-8316-001bc4729a09" id="_be05b699-b189-40e6-9cb0-8f7247ddc1b1" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">equivalent</xref> to or greater than those described in (a).</li></ol></subclause><callout id="_d24a33bf-2b3e-4c51-acc3-e978619b5f12"><callout-type ncc-info-type="application"/><p>The flush volume of C1P3 may be within a tolerance of—</p><ol outputclass="alpha"><li id="_956b249e-7f6d-4ef7-8975-5418414bd74c">±0.5 litres for the full flush of a 6/3 litre cistern; or</li><li id="_bc7f0c39-72e2-4a73-bcb3-d6bf5decd1fe">+0.5 litres for the reduced flush of a 6/3 litre cistern; or</li><li id="_8f1e583b-980d-41a0-aded-a8ac86d063fb">±0.2 litres for a 4.5/3 litre cistern.</li></ol></callout><callout id="_f3e7be63-cb7d-4ea0-a2fb-8d0c9c061196"><callout-type ncc-info-type="exemption"/><p>The requirements of C1P3 do not apply to a vacuum <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1249_0.8.0.xml#_25307451-c7e1-4167-b4de-e5a1af26694c" id="_5c4e5c63-d2b6-463c-9813-a70e82d8853a" referencetype="Text" scope="local" synctargettext="false" type="abcb-glossentry">drainage</xref> system.</p></callout></clause>