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DOE-STD-6003-96
6.4.4 Remote-Handling Systems
Remote-handling systems may perform a number of functions to minimize personnel
exposure to radiation and other hazards during normal and off-normal conditions. In addition,
remote operations functions may be required to prevent or mitigate the consequences of off-
normal events. Potential remote operations include the following:
Erect portable radiation shielding panels.
Place or relocate experimental devices or other equipment in high radiation fields.
Test or inspect SSCs as necessary to ensure performance of safety functions.
Replace equipment or components in high radiation fields.
Decontaminate SSCs in preparation for maintenance.
Install/place diagnostic instruments.
Install consequence mitigation devices in high radiation fields or otherwise unsafe
conditions.
Remote-handling systems should be considered where it is anticipated that personnel
exposures may otherwise exceed dose or contamination guidelines.
Design guidance for remote-handling systems includes the following items:
a. General
Remote-handling systems may be operated and stored near the fusion device in an area
subject to intense magnetic, thermal, neutron, and gamma radiation environments. Persistent
low levels of hydrogen, deuterium, and tritium gases, as well as potential high levels of these
gases during off-normal events, may be present and should be considered in design. Activated
dust from plasma-facing components may be present during maintenance or off-normal condi-
tions and should be considered. The design should accommodate the following general
guidance:
1. The remote-handling system should be designed such that the operator will not be
exposed to a radiation dose rate greater than the facility ALARA exposure limits.
2. Remote-handling systems and components should not cause a collision with
safety systems or components while performing normal or abnormal plant mainte-
nance. Wiring through sections and/or modules of remote handling equipment
should be provided within the equipment.
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