Predictive Maintenance - doe-hdbk-1188-20060075

DOE-HDBK-1188-2006

considered applicable power plant experience and should be evaluated on a case-by-case

basis. [DOE O 5480.20A]

469.

PREDICTIVE MAINTENANCE. Predictive maintenance consists of the actions necessary to

monitor, find trends, and analyze parameters, properties and performance characteristics or

signatures associated with structures, systems, and components (SSCs), facilities or pieces of

equipment to discern whether or not a state or condition may be approaching which is indicative

of deteriorating performance or impending failure, where the intended function of the SSCs,

facilities or pieces of equipment may be compromised. Predictive maintenance activities involve

continuous or periodic monitoring and diagnosis in order to forecast component degradation so

that "as-needed" planned maintenance can be initiated prior to failure. Not all SSC, facility or

equipment conditions and failure modes can be monitored and diagnosed in advance; therefore,

predictive maintenance should be selectively applied. To the extent that predictive maintenance

can be relied on without large uncertainties, it is normally preferable to activities such as periodic

internal inspection or equipment overhauls. [DOE G 433.1-1]

470.

PRELIMINARY DOCUMENTED SAFETY ANALYSIS. Documentation prepared in

connection with the design and construction of a new DOE nuclear facility or a major

modification to a DOE nuclear facility that provides a reasonable basis for the preliminary

conclusion that the nuclear facility can be operated safely through the consideration of factors

such as

A. The nuclear safety design criteria to be satisfied;

B. A safety analysis that derives aspects of design that are necessary to satisfy the nuclear

safety design criteria; and

C. An initial listing of the safety management programs that must be developed to address

operational safety considerations.

(See Final Safety Analysis Report, Preliminary Safety Analysis Report, Safety Analysis Report,

Safety Basis, Safety Evaluation, and Safety Evaluation Report) [10 CFR 830.3]

471.

PRELIMINARY NOTICE OF VIOLATION. A document issued by the Director in which

the Director sets forth the preliminary conclusions that the respondent has violated or is

continuing to violate a DOE Nuclear Safety Requirement and includes:

(i)

A statement specifying the DOE Nuclear Safety Requirement to which the violation

relates;