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DOESTD107393
Second Party Verification: Verification of the data gathered during the walkdown by a second
member of the walkdown team. Periodic sampling by QA/QC may also be performed, as
appropriate.
Component Configuration Data (CCD) sheets: The method used for documenting both the
component nameplate data and the independent verification. The CCD sheets will also be
the mechanism for identifying missing nameplates or for transferring acquired data into the
equipment database. Attachment A provides an example CCD.
Configuration Management Equipment Database: The computerized database that contains
facility component information such as the design requirements, manufacturer's identification
numbers, etc.
Piping and Instrument Diagram (P&ID): A drawing which graphically displays the process for
each facility system and depicts the relevant components within each system. The P&ID also
shows the functional relationship between components (e.g., first a pump, followed by an
isolation valve, then a tank, etc).
PRECAUTIONS AND LIMITATIONS.
6.0
At nuclear facilities, a radiation work permit (RWP) is required for each walkdown performed
inside the radiation controlled area and shall be obtained in accordance with the applicable
facility procedures.
All relevant facility safety practices shall be in effect and shall be followed, as appropriate
(e.g., use of hard hats, ear protection, eye protection, scaffolding erection, chemical hazard
protection, etc). Minimal risk to personal safety will be exercised in obtaining walkdown
information; if in doubt, ask for assistance.
Components shall not be operated, disassembled, or affected in any way, except by
authorized personnel (e.g., walkdown personnel can not change a valve position, open an
energized cabinet, turn a switch, etc).
The Operations Department shall be notified and authorization obtained (e.g., from the shift
supervisor, wing supervisor, or other operation's manager on shift) prior to conducting a
walkdown of each system.
7.0
RESPONSIBILITIES.
The walkdown teams are responsible for:
-
conducting the walkdowns in accordance with this document and other relevant facility
procedures; collecting nameplate data;
-
assuring the accuracy and completeness of the data;
-
performing second party verification of this data; documenting this verification; and
-
providing the completed CCD sheets to the Walkdown Coordinator for review and
further processing.
II-C-5


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