Thomas,
You could check for vibrations like GE NMR engineers did; set a cup of
coffee on the floor and look for ripples. I concur with Gary, but the gross
vibration test will put your mind at ease.
Martha
On Fri, Sep 20, 2024 at 2:12 PM Thomas K Weldeghiorghis via groups.io
<thomaskw=lsu.edu_at_groups.io> wrote:
> Dear all,
>
> We have a water leak outside the building housing three NMR magnets, and
> our university Facility Services have to demolish concrete slabs (stairs)
> to fix the leak. They used an excavator breaker to break part of the
> concrete, creating a vibration in the building. The construction site is
> about 80ft and 100 ft from two magnets with ANTIVIBRATIONFEET TYP A STAND
> and about 120 ft from a 700 MHz Ascend magnet. Do we have to worry about
> the vibration messing up the magnets (we are not worried about experiments
> currently running)?
>
> Thank you.
>
> Thomas
>
> Thomas K. Weldeghiorghis, Ph.D.
> Director, NMR Facility
> Department of Chemistry
> Louisiana State University
> 232 Choppin Hall
> Baton Rouge, LA 70803
> 225-578-5346
>
>
>
>
--
Martha Morton, PhD
Director of Research Instrumentation, University of Nebraska Lincoln
Safety Co-Chair, Department of Chemistry
Nebraska ACS, Chair 2021
ACS, MWRM Chair 2021
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Received on Fri Sep 20 2024 - 14:02:24 MST