<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_7a439c34-3faa-4748-8a21-b12c207816a8" outputclass="ncc-clause"><sptc>C2D2</sptc><title id="_29ad9812-871f-440d-8cbc-a29194bf23b6">Invert levels</title><archive-num>2019: C2.2</archive-num><subclause id="_252cd71a-a90f-4eb2-b1dc-ab992f783b0f" outputclass="subclause"><title id="_e941ff67-239f-4f83-9fb3-cd0741aa1c2a">SubClause</title><num>1</num><p>The invert level of a trap or gully weir must be a minimum of 10 mm higher than the soffit of the pipe to which it connects.</p></subclause></clause>