Floor Plan
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9.11 Service Access Requirements
The following recommendations will ensure that there is sufficient space for accessing the
system, as well as providing adequate ventilation:
• Ventilation: A minimum of 30 cm must left between the back of the cabinet and any wall
to ensure proper ventilation.
• Service access - AVANCE NEO: Sufficient space (~ 60 cm) must be left in front of the
AVANCE NEO so the cabinet may be pulled away from the wall for service. Service ac-
cess to the sides is not required.
• Service access - Magnet: There must be enough space between the magnet legs and the
wall such that a service person can walk all the way around the magnet. Also, when refill-
ing the cryogen levels, large dewars must be brought close to the magnet. Ensure that
the magnet room is suitably spacious to allow easy access for the dewars. If a platform is
not used then there must also be enough room for a ladder. As a rule of thumb the mag-
net must be accessible over at least half of its circumference for a radial distance of 2 m
from the side of the magnet and be no closer than 0.8 m to the nearest wall.
The following are miscellaneous, but important things to think about when creating a work-
able floor plan:
• For ease of cabling, locate electrical outlets and compressed air supply close to the rear
of the cabinet and by the magnet.
• The door to the magnet room must be easily accessible from all parts of the room. It is
advantageous to have the doors located so that traffic though the room does not ap-
proach the magnet. The door to the magnet room should swing out to allow for a rapid
and easy exit in case of an overpressure from cryogenic gases.
• As a rule gas cylinders must be stored outside the room. If for any reason they must be
placed in the magnet room located as far away from the magnet as possible and secured
properly to a wall well outside the 5 Gauss.
• Ensure that convenient and safe pathways are available so that cryogen transport dewars
can easily be moved into and out of the magnet room. This includes making sure that the
cryogen dewars do not run over cabling, and that the equipment/furniture is located to al-
low for access.
• Make provision for sample/solvent preparation and storage space, documentation stor-
age space, personal computers, printer/plotter tables, workstations etc.
• Under no circumstances should movable office chairs made of magnetic material be used
in the laboratory.
• Make provision for installing a telephone and lines for, e.g. Internet access. It is most con-
venient if the operator can use the phone while sitting at the spectrometer worktable.
Finally, before a final layout is decided, consider future equipment that may need to be in-
stalled. Remember that once installed, the magnet must not be moved.
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