Appendices to the SDD

DOE-STD-3024-98

4.3.4.2

Post-Modification Testing

Appendix B: System Drawings and Lists

In some cases, the maintenance organization also

This appendix shall identify the diagrams and

serves as the construction or installation

drawings and other relevant information provided in

organization for system modifications. In such

separate documents, tables or lists associated with

cases, extreme care is necessary to ensure that

or affecting the system being described. These

change activities are recognized as different from

might include physical arrangement diagrams,

maintenance. The SDD shall explain the extent to

isometric drawings, installation drawings, P&IDs,

which a post-modification testing program applies to

functional control diagrams, process flow diagrams,

the system being described.

schematic and one-line diagrams, wiring diagrams,

sketches of particular portions or features of the

system, load lists, setpoint tables, and instrument

calibration lists.

4.4 Supplemental Information

Additionally, Master Equipment Lists, Parts Lists,

Some contractors have found it beneficial to address

Bill of Materials, and lists showing the hierarchy of

supplemental topics in the SDD in order to facilitate

drawings that are pertinent to the system being

other considerations, including the Unreviewed

described should be identified.

Safety Question process. This section of the SDD

may include the following topics:

To avoid unnecessary revisions of the SDD, this

tabulation of the system drawings should not include

Summary of potential system and component

specific revision numbers/letters nor revision dates.

failures (and reference to a Failure Modes

Instead, this appendix should state that the most

and Effects Analysis (FMEA) or similar

recently approved version is to be used.

analysis if one exists)

Failure Modes

Appendix C: System Procedures

Probability/Likelihood

Consequences (effects of failures)

This appendix should contain a listing of the

Mitigative Features

procedures associated with or affecting the system

Margins of Safety in the design

being described. In a manner similar to the System

Optional extra performance capabilities

Drawings appendix, this appendix should avoid

Summary of critical engineering studies and

specific revision information. Procedures should be

calculations

listed in groups according to their general type, for

System limitations and precautions

example, operating procedures, TSR surveillance

Other

procedures, and maintenance procedures.

Appendix D: System History

Appendices to the SDD

This appendix is optional. This appendix should list

those system modifications or changes considered to

Appendix A: Source Documents

be of significance, such as those that result in

changes to requirements, bases, TSRs, and

This appendix shall contain the bibliographical

setpoints. The maintenance and repair actions

information for documents that are referenced in the

considered to be of major significance should also

body of the SDD. It may be decided to provide

be identified. Each such modification or change,

separate appendices for documents of various types,

and maintenance or repair action should be briefly

such as: design documents, procurement documents,

summarized and the appropriate documentation

vendor documents, etc. or it may be decided to

(such as, design change packages or work packages)

subdivide a single appendix into subsections that

referenced. System history information may be kept

address different document types.

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