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Background - std10530007
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Guideline to Good Practices For Control of Maintenance Activities at DOE Nuclear Facilities
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Maintenance Importance Generator (MIG).


DOE-STD-1053-93
2. D EFIN ITION S
Acronyms Used in this Standard. The acronyms used in this standard are defined as
2.1
follows:
a. ALARA - As Low As Reasonably Achievable
b. DOE - Department of Energy
c. MIG - Maintenance Importance Generator
d. MJR - Maintenance Job Request
e. SSC - Structures, Systems, and Components
ALARA (As Low As Reasonably Achievable. A radiation protection philosophy
2.2
requiring that personnel exposure to radiation and radioactive material be kept not only
within regulatory limits, but be maintained as low as reasonably achievable in light of
current technology with appropriate consideration for economic and social factors, and
benefits derived.
Corrective Maintenance.  Repair and restoration of SSC that have failed or are
2.3
malfunctioning and are not performing their intended function. As a rule of thumb, if
the specific component (such as packing or bearing) requiring maintenance has failed,
the action required to repair it should be classified as corrective maintenance.
Deficiency.  Any condition that deviates from the design of a structure, sy stem,
2.4
component, or equipment and results in a degraded ability to accomplish its intended
function.
2.5
Facility. Any equipment, structure, sy stem, process, or activity that fulfills a specific
purpose. Examples include storage areas, fusion research devices, nuclear reactors,
production or processing plants, waste management disposal sy stems and burial
grounds, testing laboratories, research laboratories, transportation activities, weapons
development and production, standards and calibrations labs, and accommodations for
analytical examinations of irradiated and un-irradiated components.
Maintenance. Day-to-day work that is required to maintain and preserve plant and
2.6
capital equipment in a condition suitable for its designated purpose and includes
preventive, predictive, and corrective (repair) maintenance.
3


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