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<br /> Technical<br /> Extra<br /> September 2013 | Issue 11<br /> In this issue:<br /> NHBC STANDARDS<br /> Pitched roofs – is standard bracing acceptable? page 3<br /> REGULATION AND COMPLIANCE<br /> Commissioning gas installations page 5<br /> Building Regulations update page 6<br /> Access provisions for new dwellings page 8<br /> Pre-completion testing of fixed fans page 11<br /> GUIDANCE AND GOOD PRACTICE<br /> Simple defects can lead to major remedial work and associated<br /> components – a case study on above ground drainage and page 14<br /> associated works<br /> NHBC Foundation and the Zero Carbon Hub page 18<br /> Increased<a title="Technical Extra Issue 11 page 1" href="http://viewer.zmags.com/publication/a1a1852f?page=1"> Technical Extra September 2013 | Issue 11 </a> <a title="Technical Extra Issue 11 page 2" href="http://viewer.zmags.com/publication/a1a1852f?page=2"> Foreword Welcome to Technical Extra 11 Feeding </a> <a title="Technical Extra Issue 11 page 3" href="http://viewer.zmags.com/publication/a1a1852f?page=3"> NHBC STANDARDS Pitched roofs – is standard braci</a> <a title="Technical Extra Issue 11 page 4" href="http://viewer.zmags.com/publication/a1a1852f?page=4"> NHBC STANDARDS Pitched roofs – is standard braci</a> <a title="Technical Extra Issue 11 page 5" href="http://viewer.zmags.com/publication/a1a1852f?page=5"> REGULATION AND COMPLIANCE Commissioning gas inst</a> <a title="Technical Extra Issue 11 page 6" href="http://viewer.zmags.com/publication/a1a1852f?page=6"> REGULATION AND COMPLIANCE Building Regulations u</a> <a title="Technical Extra Issue 11 page 7" href="http://viewer.zmags.com/publication/a1a1852f?page=7"> Building Regulations update REQUIREMENTS (CONTI</a> <a title="Technical Extra Issue 11 page 8" href="http://viewer.zmags.com/publication/a1a1852f?page=8"> REGULATION AND COMPLIANCE Access provisions for </a> <a title="Technical Extra Issue 11 page 9" href="http://viewer.zmags.com/publication/a1a1852f?page=9"> Access provisions for new dwellings REQUIREMENTS</a> <a title="Technical Extra Issue 11 page 10" href="http://viewer.zmags.com/publication/a1a1852f?page=10"> Access provisions for new dwellings REQUIREMENTS </a> <a title="Technical Extra Issue 11 page 11" href="http://viewer.zmags.com/publication/a1a1852f?page=11"> REGULATION AND COMPLIANCE Pre-completion testing</a> <a title="Technical Extra Issue 11 page 12" href="http://viewer.zmags.com/publication/a1a1852f?page=12"> Pre-completion testing of fixed fans GUIDANCE T</a> <a title="Technical Extra Issue 11 page 13" href="http://viewer.zmags.com/publication/a1a1852f?page=13"> Pre-completion testing of fixed fans GUIDANCE (CON</a> <a title="Technical Extra Issue 11 page 14" href="http://viewer.zmags.com/publication/a1a1852f?page=14"> GUIDANCE AND GOOD PRACTICE Simple defects can le</a> <a title="Technical Extra Issue 11 page 15" href="http://viewer.zmags.com/publication/a1a1852f?page=15"> Simple defects can lead to major remedial work an</a> <a title="Technical Extra Issue 11 page 16" href="http://viewer.zmags.com/publication/a1a1852f?page=16"> GUIDANCE AND GOOD PRACTICE Simple defects can le</a> <a title="Technical Extra Issue 11 page 17" href="http://viewer.zmags.com/publication/a1a1852f?page=17"> Simple defects can lead to major remedial work an</a> <a title="Technical Extra Issue 11 page 18" href="http://viewer.zmags.com/publication/a1a1852f?page=18"> GUIDANCE AND GOOD PRACTICE NHBC Foundation and t</a> <a title="Technical Extra Issue 11 page 19" href="http://viewer.zmags.com/publication/a1a1852f?page=19"> Increased registrations placing demands on materi</a> <a title="Technical Extra Issue 11 page 20" href="http://viewer.zmags.com/publication/a1a1852f?page=20"> GUIDANCE AND GOOD PRACTICE Site water testing Wh</a> <a title="Technical Extra Issue 11 page 21" href="http://viewer.zmags.com/publication/a1a1852f?page=21"> Site water testing GUIDANCE One of the most imp</a> <a title="Technical Extra Issue 11 page 22" href="http://viewer.zmags.com/publication/a1a1852f?page=22"> GUIDANCE AND GOOD PRACTICE Low-strength factory-</a> <a title="Technical Extra Issue 11 page 23" href="http://viewer.zmags.com/publication/a1a1852f?page=23"> Low-strength factory-made mortar GUIDANCE low-r</a> <a title="Technical Extra Issue 11 page 24" href="http://viewer.zmags.com/publication/a1a1852f?page=24"> GUIDANCE AND GOOD PRACTICE Infiltration SuDS map </a> <a title="Technical Extra Issue 11 page 25" href="http://viewer.zmags.com/publication/a1a1852f?page=25"> TECHNICAL NEWS NHBC Standards 2014, including Ch</a> <a title="Technical Extra Issue 11 page 26" href="http://viewer.zmags.com/publication/a1a1852f?page=26"> INFORMATION AND SUPPORT NHBC STANDARDS PLUS NHBC</a> <a title="Technical Extra Issue 11 page 27" href="http://viewer.zmags.com/publication/a1a1852f?page=27"> CUSTOMER SATISFACTION SURVEYS Back in 2004, and i</a> <a title="Technical Extra Issue 11 page 28" href="http://viewer.zmags.com/publication/a1a1852f?page=28"> Useful contacts for technical information and adv</a>