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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoPlainText>Hello Iulian,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>Every bay in our cleanroom has an owner (process engineer) that is responsible for making sure it stays neat and tidy and does daily inspections.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>About once a week, our part time student lab assistant vacuums the floor.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>We tacky roll the floor occasionally.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>I am in the process of soliciting for a clean room cleaning company to do periodic cleanings.  I am planning on every year or after any significant construction, whichever comes first. I am getting budgetary estimates ranging from $6000 to $12000 per clean for 8000sq. ft. of class 100.  It includes floor, wall and HEPA ceiling grid cleaning. Since you are relatively close, I will send you those company names as they may also service your area as well.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>DI/IPA is all you need to clean the floor.  A scrubby will remove scuffs etc.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>I like to be stingy with the water to avoid getting drips on all the infrastructure under the raised floor.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>A skillful Clean Room cleaning company will also know how to safely vacuum out under the raised floors which should be done at least every few years.  They will do it over a weekend and methodically make their way around the area removing tiles for access.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>I like the HEPA filtered Nilfisk brand vacuums.  They are quiet, powerful and have backpack and rolling versions. They are more convenient than the central vacuum which we also have, but you need to make sure the HEPA is working well.  You can't beat the central for cleanliness.  There is a time and place for both.<o:p></o:p></p><p class=MsoPlainText style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'>         </span></span></span><![endif]>I also have our student take weekly particle counts at several areas and chart the data and plan to adjust cleaning frequency as needed.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Hope this helps.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Vince<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>Vincent K. Luciani<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>NanoFab Manager<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'><a href="http://www.cnst.nist.gov/"><span style='color:blue'>Center for Nanoscale Science and Technology</span></a><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>National Institute of Standards and Technology<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>100 Bureau Drive, MS 6201<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>Gaithersburg, MD 20899-6200 USA<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Microsoft Sans Serif","sans-serif"'>+1-301-975-2886<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Minion Pro"'><img border=0 width=397 height=76 id="Picture_x0020_1" src="cid:image001.jpg@01CCFAFE.A111FE90" alt="Description: CNST Horztl Color logo"></span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>-----Original Message-----<br>From: labnetwork-bounces@mtl.mit.edu [mailto:labnetwork-bounces@mtl.mit.edu] On Behalf Of Iulian Codreanu<br>Sent: Monday, March 05, 2012 1:11 PM<br>To: Fab Network<br>Subject: [labnetwork] who cleans your cleanroom?</p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Dear Fab Network,<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>I am working on a cleaning plan for Penn's new cleanroom (about 10,000 sqft of class 100 and 1,000) and I am writing to ask for your help:<o:p></o:p></p><p class=MsoPlainText>- Who does the cleaning for you: fab staff, central Facilities, external contractor, etc?<o:p></o:p></p><p class=MsoPlainText>- How many times a day is your Facility cleaned?<o:p></o:p></p><p class=MsoPlainText>- How often are the walls cleaned?<o:p></o:p></p><p class=MsoPlainText>- How many "general cleanings" do you have throughout the year?  Who does it?<o:p></o:p></p><p class=MsoPlainText>- Do you use anything else besides DI water/IPA to mop the floors?<o:p></o:p></p><p class=MsoPlainText>- If you do not have central vacuum, what vacuum cleaners have you had good experiences with?<o:p></o:p></p><p class=MsoPlainText>- What precautions should one take when cleaning raised floors?<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Thank you very much for your help.<o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>Iulian<o:p></o:p></p><p class=MsoPlainText>--<o:p></o:p></p><p class=MsoPlainText>iulian Codreanu, Ph.D.<o:p></o:p></p><p class=MsoPlainText>Director, Penn NanoFab<o:p></o:p></p><p class=MsoPlainText>200 South 33rd Street<o:p></o:p></p><p class=MsoPlainText>Room 376 GRW Bldg<o:p></o:p></p><p class=MsoPlainText>Philadelphia, PA 19104-6314<o:p></o:p></p><p class=MsoPlainText>P: 215-898-9308<o:p></o:p></p><p class=MsoPlainText>F: 215-573-2068<o:p></o:p></p><p class=MsoPlainText><a href="http://www.seas.upenn.edu/~nanofab"><span style='color:windowtext;text-decoration:none'>www.seas.upenn.edu/~nanofab</span></a><o:p></o:p></p><p class=MsoPlainText><o:p> </o:p></p><p class=MsoPlainText>_______________________________________________<o:p></o:p></p><p class=MsoPlainText>labnetwork mailing list<o:p></o:p></p><p class=MsoPlainText><a href="mailto:labnetwork@mtl.mit.edu"><span style='color:windowtext;text-decoration:none'>labnetwork@mtl.mit.edu</span></a><o:p></o:p></p><p class=MsoPlainText><a href="https://www-mtl.mit.edu/mailman/listinfo.cgi/labnetwork"><span style='color:windowtext;text-decoration:none'>https://www-mtl.mit.edu/mailman/listinfo.cgi/labnetwork</span></a><o:p></o:p></p></div></body></html>