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Chapter 6 Prevention of Inadvertent Criticality
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Preparation Guide for U
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Administrative Controls - doe-std-3009-94_cn3_3-30-060097


DOE-STD -3009-94
CONTENT GUIDANCE FOR SECTIONS OF CHAPTER 6
6.1
INTRODUCTION
This section provides an introduction to the contents of this chapter based on the
graded approach and includes objectives and scope specific to the chapter as
developed.
6.2
REQUIREMENTS
This section lists the design codes, standards, regulations, and DOE Orders that are
required for establishing the safety basis of the facility. The intent is to provide
only the requirements that are specific for this chapter and pertinent to the safety
analysis, and not a comprehensive listing of all industrial standards or codes or
criteria. SRIDs may be referenced as appropriate.
6.3
CRITICALITY CONCERNS
This section identifies the fissile material available within the facility and provides
information on the location of potential criticality hazards (e.g., description, and
drawing), the fissile material form (e.g., chemical and/or physical, including
isotopic content, concentration, densities), and the maximum quantities involved.
This information should be summarized from Chapter 3, "Hazard and Accident
Analyses."
6.4
CRITICALITY CONTROLS
This section summarizes information relevant to criticality control. Include a
general discussion of the criticality safety design limits, their bases, and any design
criteria used to ensure subcritical configurations under all normal, abnormal, and
accident conditions (i.e., ensure criticality limits are not exceeded); the parameters
used for the prevention and control of criticality and the methods for the application
and validation of these parameters; and the application of the double contingency
principle in criticality safety. It is not the intention of this section to individually
list all criticality safety design limits.
6.4.1
Engineering Controls
This section summarizes the safety design limits on engineered controls, either
passive or active, and the bases placed on equipment designs or operations to
ensure subcritical conditions under all normal, abnormal, and accident
conditions. Include in the summary of these engineered controls use of
geometry, spacing, and any other engineered controls (e.g., neutron absorbers,
elimination of moderators, storage location limitations, and level detectors).
This section also summarizes the configuration control program as it relates to
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