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Figure 3-1 Relationship of Configuration Management to Design, Safety, and Authorization Bases
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Configuration Management - index
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Figure 3-2. Gathering the Best Available Design Requirements for The CM SSCs


DOE-STD-1073-2003
Configuration Management
completed prior to construction the design is "frozen." This is an opportune time to
initiate the configuration management process to control future changes.
DOE G 420.1-1 states:
Document and change control for project design documents and supporting
documentation must be provided by the design activity during the design. By the start of
construction, document and change control must be provided by an appropriate QA
configuration management program. Subsequent changes to project design and
supporting documents must be made by means of a formal change control program in
accordance with 10 CFR 830.120 [10 CFR 830, Appendix A].
For new construction, (i.e., new facilities and major modifications to existing facilities),
the design requirements must be identified and documented as part of the design process
and incorporated into a formal configuration management process before start of
construction. The contract with the architect engineer and/or construction contractor
should specify the expected actions related to configuration management for the design
and construction activities, as well as for construction turnover to the operating
contractor.
3.1.2 Existing Facilities and Activities
The contractor should have identified the design requirements for safety systems,
structures, and components (SSCs) for existing, hazard category 1, 2, and 3 nuclear
facilities during the development of the documented safety analysis (DSA) to meet
10 CFR Part 830, Subpart B. For facilities that lack thorough documentation of the
design basis, or for SSCs other than safety SSCs, the requirements for previously
installed SSCs may not be documented or available. In these cases, it may not make
sense from a cost versus benefit perspective to immediately reconstruct the design
requirements.
The contractor should document the new or revised design requirements as maintenance
and modifications are performed at the facility or activity. In these cases, the contractor
must:
ensure that the DSA demonstrates that the functional requirements for the safety
SSCs are sufficient, and
validate that the safety SSCs will perform their safety functions as assumed in the
analysis.
If the information is not sufficient to adequately document the configuration management
baseline to validate proper operation of the safety SSCs, then the contractor should
determine if additional action is necessary to complete the available information on the
design requirements for the nuclear activity so that changes can be adequately assessed.
3-2


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