Grading Based on Facility Operational Status and Lifecycle Phase cont'd

DOE-STD-1073-2003

Configuration Management

current as-built configuration information,

system acceptance and preoperational testing,

design control programs,

periodic operability surveillance programs,

document control programs,

facility life extension efforts, and

decommissioning plans.

If a facility is deactivated or being decontaminated or decommissioned, there are

different considerations than during the operating phase. For example, during a

maintenance shutdown at an operating facility, a pump with a safety function may be

disassembled or removed. Before operation, that pump would need to be restored or

replaced with a pump that meets the existing or new design requirements. In addition,

performance testing would likely be needed. These changes and tests would need to be

processed through the configuration management process. On the other hand, if the same

facility is deactivated two years later with no intention of resuming operation, then the

pump may no longer have a safety function. If the pump with no safety function is

removed and it is no longer needed, configuration management for that action may be

reduced to a simple documentation of removal of the pump.

Contractors for facilities in deactivation status that may be returned to an operating status

later will need to implement a configuration management process that maintains the

design requirements for the facility and accurately documents the configuration of the

facility. Accurate documentation will facilitate the later reactivation of the facility. In

addition, the contractors should take actions through the maintenance process to ensure

that the physical configuration does not degrade and that changes are identified and

approved.

If during the deactivation period the scope of SSCs under the configuration management

process was reduced to only include the SSCs related to personnel safety during

deactivation, contractors may need to re-establish the design requirements of the balance

of the CM SSCs for operation. Contractors would also need to perform walkdowns to

determine the degree of correlation between the physical configuration and associated

documentation. Physical changes would need to be reviewed, approved, and

documented. Consequently, when determining the scope and depth of configuration

management to be pursued during deactivation, contractors should consider the

probability of reactivation, the length of time prior to reactivation, and the cost of

reactivation if the configuration management was limited during reactivation. In some

cases it will be more cost effective to maintain robust configuration management and

maintenance processes. In other cases (e.g., long reactivation periods with a low

probability of reactivation) it may be more cost effective to reduce the configuration

management process to address only those SSCs important to safety during the

reactivation period.

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