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The maintenance manager
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Guideline to Good Practices For Postmaintenance Testing at DOE Nuclear Facilities
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Guidelines - std10650016


D OE-STD -1065-94
3.4
POST MAINTENANCE  TESTING
3.4.1
Guidelines
3.4.1.1
A satisfactory test is one that verifies; the ability of a particular
SSC to perform its intended function, the original deficiency has
been corrected, and no new or related problems have been
created by the maintenance activity. All MJRs should be
reviewed to determine the need for Documented PMT.
3.4.1.2
PMT should be performed following all corrective maintenance
activities. In addition, testing should be done following
preventive maintenance and troubleshooting activities that might
have affected normal functioning of the SSC. Tests should
usually be conducted under conditions that represent normal
operating parameters, such as flow, differential pressure,
temperature, input signal values, and fluid type.
3.4.1.3
Tests should be conducted in accordance with written
instructions or formal procedures, as appropriate. The
instruction/procedures should measure performance versus
criteria on key parameters and allow for documentation and
review of test data for the SSC. An example PMT Control
form and PMT Test Data Sheet are shown in Appendices A
and B respectively. The results should be documented and filed
with the MJR or cross-referenced by the MJR to the applicable
document.
3.4.1.4
The following are some examples of types of maintenance
activities where PMT may be of value:
maintenance that affects the integrity or operation of a
fluid or gas system, or components within those systems
maintenance that affects the wall thickness of pressure
boundaries or affects mechanical strength of components
or fittings
maintenance that affects electrical distribution equipment,
such as breakers, bus work, or high-voltage connections
9


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