ISO/TC 92/SC 2

Projekta Nr.ISO 6944-1:2024
Nosaukums<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method for determining the fire resistance of vertical and horizontal ventilation ducts under standardized fire conditions. The test examines the behaviour of ducts exposed to fire from the outside (duct A) and fire inside the duct (duct B). This document is intended to be used in conjunction with ISO 834-1.</span></p> <p class="MsoBodyText"><span lang="EN-GB">This document is not applicable to:</span></p> <p class="ListNumber1" 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;">a)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">ducts whose fire resistance depends on the fire resistance performance of a ceiling;</span></p> <p class="ListNumber1" 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;">b)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">ducts containing fire dampers at points where they pass through fire separations;</span></p> <p class="ListNumber1" 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;">c)<span style="font: 7.0pt 'Times New Roman';">        </span></span></span><!--[endif]--><span lang="EN-GB">doors of inspection openings, unless included in the duct to be tested;</span></p> <p class="ListNumber1" 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;">d)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">two-sided or three-sided ducts;</span></p> <p class="ListNumber1" 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;">e)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">the fixing of suspension devices to floors or walls;</span></p> <p class="ListNumber1" 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;">f)<span style="font: 7.0pt 'Times New Roman';">         </span></span></span><!--[endif]--><span lang="EN-GB">kitchen extract ducts (see ISO 6944-2).</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">            </span>Annex A provides general guidance and gives background information.</span></p>
Reģistrācijas numurs (WIID)88273
Darbības sfēra<p class="MsoBodyText"><span lang="EN-GB">This document specifies a method for determining the fire resistance of vertical and horizontal ventilation ducts under standardized fire conditions. The test examines the behaviour of ducts exposed to fire from the outside (duct A) and fire inside the duct (duct B). This document is intended to be used in conjunction with ISO 834-1.</span></p> <p class="MsoBodyText"><span lang="EN-GB">This document is not applicable to:</span></p> <p class="ListNumber1" 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;">a)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">ducts whose fire resistance depends on the fire resistance performance of a ceiling;</span></p> <p class="ListNumber1" 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;">b)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">ducts containing fire dampers at points where they pass through fire separations;</span></p> <p class="ListNumber1" 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;">c)<span style="font: 7.0pt 'Times New Roman';">        </span></span></span><!--[endif]--><span lang="EN-GB">doors of inspection openings, unless included in the duct to be tested;</span></p> <p class="ListNumber1" 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;">d)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">two-sided or three-sided ducts;</span></p> <p class="ListNumber1" 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;">e)<span style="font: 7.0pt 'Times New Roman';">       </span></span></span><!--[endif]--><span lang="EN-GB">the fixing of suspension devices to floors or walls;</span></p> <p class="ListNumber1" 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;">f)<span style="font: 7.0pt 'Times New Roman';">         </span></span></span><!--[endif]--><span lang="EN-GB">kitchen extract ducts (see ISO 6944-2).</span></p> <p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;">            </span>Annex A provides general guidance and gives background information.</span></p>
StatussStandarts spēkā
ICS grupa91.140.30
13.220.50