Hi --
I do something similar. Custodians don't enter the NMR room. When the
trash can's full, it's set outside the door. A grad student occasionally
sweeps the floor, and it isn't waxed at all (looks rough, but that's the
tradeoff).
-- AL B.
> I think it would be worth saying something about cleaning people. We
> don't
> allow any cleaning people in any of our NMR rooms. Of course that means
> we
> have to empty the garbage ourselves, and the rooms are filthy, but I think
> it's worth it. I think this policy started when I was trying to explain
> the magnet situation to a new custodial staffer who was deaf, and after
> awhile it dawned on me that maybe we didn't really need to have the rooms
> cleaned. Of course, this policy has to be explained to the supervisors
> since staff changes regularly and all of these people have master
> keys. We've also had problems with maintenance people coming into the
> rooms to turn valves, shut off power, etc., and you just have to be
> vigilant. I try to get to know the maintenance people and have them
> always
> go into these rooms with a "chaperone".
>
> Neil
>
>
> At 05:13 AM 5/27/2004, you wrote:
>>Hi,
>>I had someone get a metal chair stuck to the base of a 500 mhz magnet
>> last
>>year. It took 3 people and a few 2x4's to break it away slowly. No
>> quench.
>>Lucky. Field came back and is stable.
>>We did have some notices posted on the doors and the magnet. However the
>>cleaning person couldnt speak English nor able to read much of it let
>>alone technical terms.
>>Since then I have warnings posted in several languages. ie; JAK
>> MAGNET!,etc/
>>
>>JIm
>>
>>Alan Boyd wrote:
>>
>>>Dear AMMRLers,
>>>
>>>We had a safety inspection this morning, and it was pointed out that in
>>> our
>>>rather small open-access lab there was no warning notice about magnet
>>>quenches. I said that this was a low probability occurrence, and it
>>> usually
>>>happened when someone knowledgeable was fiddling about with the magnet
>>>anyway.
>>>
>>>We were just about to agree to put up a plain text warning to say 'get
>>> out
>>>fast if there's a quench', when someone remarked that it was quite
>>> possible
>>>for an enthusiastic cleaner's floor-polishing machine to get sucked into
>>>the magnet, and then the probability of a quench was quite high... as
>>> is,
>>>unfortunately, the probability of the cleaner being unable to read.
>>>
>>>So, has anyone devised or designed a graphical or cartoon warning sign
>>> that
>>>tries to say 'get out fast if there's a quench'?
>>>
>>>Just trying to avoid re-inventing the wheel...
>>>
>>>Alan
>>>
>
> Neil E. Jacobsen, Ph.D.
> NMR Facility Manager
> Department of Chemistry
> 119 Old Chemistry
> 1306 E. University
> University of Arizona
> Tucson, AZ 85721
> 520-621-8146
> FAX 520-621-8407 setup from
>
>
Received on Fri May 28 2004 - 11:04:41 MST