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We've always made it a practice to have  ... and USE the plastic 
covers on our light microscopes.  There have been too many times when 
such a simple step would have avoided disaster.

Good hunting!
Barbara Foster, President & Chief Consultant
Microscopy/Microscopy Education*
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At 12:53 PM 6/27/2014, you wrote:
>*****
>To join, leave or search the confocal microscopy listserv, go to:
>http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
>Post images on http://www.imgur.com and include the link in your posting.
>*****
>
>I'm with John on this; it's not so much the sprinklers in your imaging room
>so much as the odds of a flood coming in from the floors above.
>
>Craig
>
>
>On Fri, Jun 27, 2014 at 8:23 AM, Lemasters, John J. <[log in to unmask]>
>wrote:
>
> > *****
> > To join, leave or search the confocal microscopy listserv, go to:
> > http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> > Post images on http://www.imgur.com and include the link in your posting.
> > *****
> >
> > Because sprinkler heads are mandatory, we have put beach umbrellas over
> > our microscopes. I have a colleague who lost several high end systems when
> > a water line broke on a floor above his facility some years ago. The
> > sprinkler heads are not the only thing to worry about.
> >
> > -----
> > John J. Lemasters, MD, PhD
> > Professor and GlaxoSmithKline Distinguished Endowed Chair
> > Director, Center for Cell Death, Injury & Regeneration
> > Departments of Drug Discovery & Biomedical Sciences and Biochemistry &
> > Molecular Biology
> > Medical University of South Carolina
> > DD504 Drug Discovery Building
> > 70 President Street, MSC 140
> > Charleston, SC 29425
> > Email: [log in to unmask]
> >
> > -----Original Message-----
> > From: Confocal Microscopy List [mailto:[log in to unmask]]
> > On Behalf Of Haller, Edward
> > Sent: Thursday, June 26, 2014 9:40 AM
> > To: [log in to unmask]
> > Subject: Re: Sprinklers in instrument rooms
> >
> > *****
> > To join, leave or search the confocal microscopy listserv, go to:
> > http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> > Post images on http://www.imgur.com and include the link in your posting.
> > *****
> >
> > Hi, Rosemary,
> >
> >      I fought (and lost) with the Fire Marshall and building Engineers
> > when they built my lab. I designed the lab from ground up, and was never
> > asked about sprinklers. There are no other buildings on our campus with
> > sprinklers, and I was not informed that sprinklers were going to be
> > installed in my labs when they were being built, nor was I asked where I
> > wanted the heads installed. When I walked in the door to see the labs (I
> > was actually forbidden for a month to walk through the labs during
> > construction) I discovered a sprinkler head directly above the spot where
> > my TEM column would sit! After much wrangling (and griping and belly-aching
> > on the part of engineers and construction crew), I was at least able to
> > insist that the head be moved to a side wall in the room, away from the
> > microscope column, so that if the head ever leaks, it will not drip on the
> > column, and so, if it is ever bumped, we would have a prayer of a chance to
> > cover the thing and protect the microscope. I'd like to build a box to
> > cover the head, but we get inspections from time to time, or, more ideally,
> > hire an outside plumber to cut the line. I have sprinklers in the rest of
> > the lab, and fire extinguishers right outside the door. I don't need a
> > sprinkler head in my TEM room! I also have a head in my SEM room, but it's
> > further away from my scope. I could probably throw a plastic dropcloth on
> > that scope and save it. (As a side note, this same construction crew
> > installed two chilled water spigots UNDER my wall-mounted desk, in the knee
> > space, in my office, and installed the lock to my TEM room on the INSIDE of
> > the door. They weren't the brightest lightbulbs in the boxes!)
> >
> > Ed
> >
> > Edward Haller, Lab Manager
> > University of South Florida
> > Department of Integrative Biology
> > Electron Microscopy Core
> > SCA 110
> > 4202 East Fowler Avenue
> > Tampa, FL 33620
> > (813)974-2676
> > [log in to unmask]
> > Office: ISA 1046
> >  http://biology.usf.edu/ib/research/facilities/
> >
> > ________________________________________
> > From: Confocal Microscopy List [[log in to unmask]] on
> > behalf of [log in to unmask] [[log in to unmask]]
> > Sent: Thursday, June 26, 2014 6:05 AM
> > To: [log in to unmask]
> > Subject: Sprinklers in instrument rooms
> >
> > *****
> > To join, leave or search the confocal microscopy listserv, go to:
> > http://lists.umn.edu/cgi-bin/wa?A0=confocalmicroscopy
> > Post images on http://www.imgur.com and include the link in your posting.
> > *****
> >
> > Hi all, (sorry for cross-posting)
> >
> > I know this has been discussed before, just wondered if there were any new
> > thoughts. We're moving twice, first into a refurbished basement, second
> > time into a new building. The basement has a sprinkler system in case of
> > fire, unlike our current building which just has alarms (it's a single
> > storey brick building). I imagine the new building will have some sort of
> > sprinkler system too.
> >
> > What precautions, if any, do people take to protect against the unlikely
> > showering of your confocal or EM?
> > Are there any relatively simple alternatives? (One alternative is to have
> > fire-doors and walls for each room but that is prohibitive.)
> >
> > thanks much,
> > Rosemary
> >
> > Dr Rosemary White
> > CSIRO Plant Industry (for 4 more days only) GPO Box 1600 Canberra, ACT 2601
> >
> > T 02 6246 5475
> > F 02 6246 5334
> > E [log in to unmask]
> >