<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_f535ff78-7a62-4beb-8d30-5eb86d44cdb6" outputclass="ncc-clause" variation="VIC"><sptc>E3D2</sptc><title id="_76d710c0-3bb9-4235-bbc6-618b5a55f06e">General requirements</title><archive-num>2019: F1D2</archive-num><subclause id="_b31f1a29-a3ca-40ef-a2f0-60d7997dde5b" outputclass="subclause"><title id="_7fe77795-f7a2-48a3-b2f4-6cde187d631c">SubClause</title><num>1</num><p>The design, construction, installation, replacement, repair, alteration and maintenance of a roof drainage system must be in accordance with AS/NZS 3500.3 and SA HB 39, subject to following:</p><ol outputclass="alpha"><li id="_dc1125f9-a0ea-45b6-8731-93ac81870fc2">Insert Clause 4.9.6.3 Fastening in AS/NZS 3500.3 as follows: Dowpipes to be securely fastened to walls and structures so as to withstand movement due to thermal expansion or weight due to a partial or total blockage, and</li><li id="_d0ca353d-2a76-4ba6-9539-2e9245162fcb">Where there are any conflicts between AS/NZS 3500.3 and SA HB 39, AS/NZS 3500.3 prevails.</li></ol></subclause></clause>