ISO/TC 138/SC 4

Projekta Nr.ISO 16486-6:2023
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document specifies a code of practice dealing with unplasticized polyamide (PA-U) pipes and fittings for buried pipeline systems outside buildings and designed to transport gaseous fuels (as defined in ISO 16486-1, e.g. methane, LPG, manufactured gas and hydrogen) within the temperature range –20 °C to +40 °C. This document also gives appropriate temperature-related requirements.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The code of practice covers mains and service lines whose components are prepared for fusion or mechanical jointing and gives instructions for the design, storage, handling, transportation, laying conditions and fusion quality control of PA-U pipes and fittings as well as subsequent joint testing, backfilling, pipe system testing and commissioning.</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">          </span>Principal information for rehabilitation can be found in ISO 11295<sup> </sup>for classification, ISO 11299-1 and ISO 11299-2 for renovation, and ISO 21225-1 and ISO 21225-2 for trenchless replacement.</span></p> <p class="MsoBodyText"><span lang="EN-GB">More detailed national standards or codes of practice can exist. This document is intended to be applied in association with such national standards or codes of practice related to the above-mentioned basic principles.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The jointing methods covered by this document are:</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">butt fusion jointing (see Annex A);</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">electrofusion jointing (see Annex B) and</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">mechanical jointing (see Annex C).</span></p> <p class="MsoBodyText"><span lang="EN-GB">In the case of ground movement or shaking (e.g. earthquakes, etc.) precautions mentioned in this document can need to be implemented following guidelines provided by authorities (e.g. EN 1998-4, EN 12007-1:2012, Annex A etc.).</span></p> <p class="MsoBodyText"><span lang="EN-GB">Workers' health and safety issues are outside the scope of this document</span></p>
Reģistrācijas numurs (WIID)84737
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document specifies a code of practice dealing with unplasticized polyamide (PA-U) pipes and fittings for buried pipeline systems outside buildings and designed to transport gaseous fuels (as defined in ISO 16486-1, e.g. methane, LPG, manufactured gas and hydrogen) within the temperature range –20 °C to +40 °C. This document also gives appropriate temperature-related requirements.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The code of practice covers mains and service lines whose components are prepared for fusion or mechanical jointing and gives instructions for the design, storage, handling, transportation, laying conditions and fusion quality control of PA-U pipes and fittings as well as subsequent joint testing, backfilling, pipe system testing and commissioning.</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">          </span>Principal information for rehabilitation can be found in ISO 11295<sup> </sup>for classification, ISO 11299-1 and ISO 11299-2 for renovation, and ISO 21225-1 and ISO 21225-2 for trenchless replacement.</span></p> <p class="MsoBodyText"><span lang="EN-GB">More detailed national standards or codes of practice can exist. This document is intended to be applied in association with such national standards or codes of practice related to the above-mentioned basic principles.</span></p> <p class="MsoBodyText"><span lang="EN-GB">The jointing methods covered by this document are:</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">butt fusion jointing (see Annex A);</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">electrofusion jointing (see Annex B) and</span></p> <p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';">     </span></span></span><!--[endif]--><span lang="EN-GB">mechanical jointing (see Annex C).</span></p> <p class="MsoBodyText"><span lang="EN-GB">In the case of ground movement or shaking (e.g. earthquakes, etc.) precautions mentioned in this document can need to be implemented following guidelines provided by authorities (e.g. EN 1998-4, EN 12007-1:2012, Annex A etc.).</span></p> <p class="MsoBodyText"><span lang="EN-GB">Workers' health and safety issues are outside the scope of this document</span></p>
StatussStandarts spēkā
ICS grupa75.200
83.140.30