|
| DOESTD107393
resume operations, the specified date should be used. If DOE has specified a desired lifetime that is
longer than the remaining lifetime, the desired lifetime potentially may be achieved through the
application of life extension techniques.
The CM development period should be commensurate with the desired/remaining lifetime of the facility.
As benefits of a CM program start accruing immediately, prompt and full implementation is warranted.
Benefits are realized from the beginning of the implementation activities (e.g., inadequately controlled
changes are arrested), and they increase through full implementation. Specific discrepancies can be
resolved in a short time, yielding immediate benefits. In general, development of the CM program
elements should be commensurate with the facility desired/remaining lifetime. For example, if the
facility desired/remaining lifetime is 3 years, a 3-year CM development program should be planned.
The DR adjunct program is an exception to this general guidance.
The remaining lifetime is estimated as part of the MCA adjunct program. For the development of the
CM program plan, precise estimates of remaining facility lifetime are not necessary. For example,
contractors may estimate the remaining facility lifetime only to the extent of determining which of the
following categories is applicable:
More than 10 years
Between 5 and 10 years
Between 2 and 5 years
Less than 2 years
The 5- and 10-year points are significant to determining the impact of the remaining facility lifetime on
the degree of implementation of the CM program. The majority of CM program development and
implementation can be completed within about 5 years. Full reconstitution of the design basis can take
longer -- up to 10 years for the most complex facilities, less for more typical facilities.
For facilities with desired/remaining lifetimes of more than 10 years, the CM program functions, as well
as those of the DR and MCA programs, should be implemented. For facilities whose desired/remaining
lifetimes are between 5 years and 10 years, the CM program elements should be fully implemented, but
DR adjunct program development might be limited both in the information searches and in the number
of SSCs for which DISs are developed. For facilities with desired/remaining lifetimes of between 2 and 5
years, limited implementation of the CM elements should be considered, with similar adjustments for the
implementation of the DR and MCA adjunct programs. For example, the scope of the SSCs to be
included in the CM program might be defined to include only those with safety or environmental design
requirements. Moreover, the searches involved in reconstituting the design might be limited to the
formal review and the smart search. Similarly, the MCA adjunct program might be limited to the
preliminary estimate of remaining lifetime.
Facilities with a desired/remaining lifetime of less than 2 years should undertake only those CM activities
that are important to the remaining operation or to the next phase of the facility life-cycle. The SSCs
included might be limited to those related to safety. Walkdowns to determine the degree of correlation
between the physical configuration and associated documentation, including as-built drawings, should
be conducted. Change mechanisms should be identified. Physical changes should be reviewed,
approved, and documented. Activities to reconstitute the design requirements might be limited to the
formal review. Reconstitution of the design basis might not be appropriate. The MCA program should
be developed to the extent necessary to define inputs to the Maintenance Department to support the
establishment and maintenance of an appropriate lay-up program.
I-18
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |