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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Jianchao,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Your best answer should come from the Authority Having Jurisdiction (AHJ) for your facility, and your insurance underwriter. I don’t believe polypropylene materials will meet the NFPA code (FM 4910) for fire resistant materials within a clean room, which is typically a PVC-C material.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>At UofM, we are not using gaseous fire suppression anywhere, as we could never get it to work for our facility (you have to damper the exhaust, it requires a huge number of tanks to get the suppression volume, etc…). We do have our wet process stations (all of which are FM 4910 compliant for the clean room) on a separate sprinkler feed, so that in the event we have an issue, once it’s mitigated, we can isolate the sprinkler system, without losing protection in the rest of the fab.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Dennis Schweiger<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Facilities Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Lurie Nanofabrication Facility<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>University of Michigan<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>1301 Beal Ave.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Ann Arbor, MI 48109-2122<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>734.647.2055 Ofc<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>877.471.6208 Fax<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>734.320.4474 Cell<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>"People can be divided into 3 groups - those that make things happen, those that watch things happen, and those that wonder what happened."<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p></div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> labnetwork-bounces@mtl.mit.edu [mailto:labnetwork-bounces@mtl.mit.edu] <b>On Behalf Of </b>Li, Jianchao<br><b>Sent:</b> Monday, May 09, 2011 3:22 PM<br><b>To:</b> labnetwork@mtl.mit.edu<br><b>Subject:</b> [labnetwork] Question: is a must to have CO2 fire suppression system for Polypro wet benches with heating ability<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi guys,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We bought some used polypro wet benches which have heated quartz tanks. I am wondering whether it ‘s a must to have CO2 fire suppression system for them.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Or sprinkler system from the cleanroom will be enough. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>J.C.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Lucida Calligraphy"'>Jianchao (J.C.) Li </span><span style='font-size:9.0pt;font-family:"Times New Roman","serif"'>Ph.D.</span><span style='font-size:12.0pt;font-family:"Lucida Calligraphy"'><o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Nanofabrication Facilities Manager<o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>UNT Discovery Park<o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>3940 North Elm, Suite A-101<o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Denton, TX 76203-5017<o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>voice: <a href="tel:%28940%29%20369-5318" target="_blank"><span style='color:windowtext'>(940) 369-5318</span></a><o:p></o:p></span></p><p class=MsoNormalCxSpMiddle style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;line-height:12.0pt'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>e-mail: <u><a href="mailto:jianchao.li@unt.edu" target="_blank"><span style='color:windowtext'>jianchao.li@unt.edu</span></a></u></span><span style='font-size:8.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>