Bruker BioSpec 70/30 USR V2, Manual

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Planning Details
Site Planning Information BioSpec 70/30 USR_2_V020 57
6.4.3 Electrostatic discharge
The MR instrument does not require any special ESD specifications for the floor coverings in
the different installation areas of the system. The use of floor coverings with conductivity of
less than 100 kΩ is recommended to avoid electrostatic discharges.
6.4.4 Seismic safety standards
The MR system can be installed with a seismic safety option and thus allows for installation in
hazardous areas. When installation is completed correctly, seismic safety is verified by
statistical calculations in these cases up to the limit values listed below. Copies of the verified
calculations can be requested from the local Bruker BioSpin MRI office.
WARNING
Warning of serious injury due to uncontrolled moving objects during an
earthquake.
If the requirements to install a MR instrument in areas at risk of earthquakes are more
stringent, these must be taken into account during planning and construction:
- Verification of building statistics.
- More stringent specifications for the floor construction.
- More stringent specifications for floor strength.
- Exclusive use of authorized seismic protection of the MR system.
The system of protection for the magnet consists of four additional floor anchors that are
firmly anchored to the floor. When running normally, the anchoring device permits authorized
decoupling from floor vibrations. In the event of an earthquake, it prevents the magnet from
moving or tilting up to the following accelerations:
Magnet 70/30 USR V2
Maximum acceleration (m/s
2
) configuration dependent
Parts number of the basic seismic
protection unit. T12047
Table 6.9: Maximum underground acceleration with seismic protection
If installed in an RF shielded room, the kit T12306 must also be ordered and assembled to
avoid RF radiation. In order to reach these limit values, the floor construction and the
construction of the anchor-age must satisfy the following criteria:
Properties Specification
Reinforced concrete state cracked concrete, normally reinforced
Category of resistance to pressure for
concrete C 20/25
Minimum floor thickness 300 mm
Maximum height of the floor construction 50 mm