Introduction - std118620040005

DOE-STD-1186-2004

1. INTRODUCTION

1.1

Scope

This Standard provides guidance applicable to Administrative Controls (AC) that are selected to

provide preventive and/or mitigative functions for specific potential accident scenarios, and

which, also have safety importance equivalent to engineered controls that would be classified

as Safety Class (SC) or Safety Significant (SS) if the engineered controls were available and

selected. This class of AC is designated as Specific Administrative Controls (SAC).

Similar to the classification of Structures, Systems, and Components (SSC) as Safety SSCs, not

all ACs requiring specific actions related to individual accident scenarios rise to the level of

importance of SACs, as discussed in the previous paragraph. Similar to SSCs of lower

importance, which are sometimes referred to as "important to safety" or "defense in depth"

SSCs, SACs of lesser importance can be addressed under the implementation of related Safety

Management Programs. However, when a specific action AC is elevated to the class of SAC,

then the guidance of this Standard should be used to enhance assurance of the effectiveness

and dependability of these important administrative controls beyond that which might be

experienced if the specific action AC were simply to be implemented under the auspices of a

Safety Management Program.

The organization of this Standard is as follows: Section 1 introduces the concept of SACs and

relates this to the existing requirements for derivation of safety bases, including hazard

analyses, identification of hazard controls, derivation of Technical Safety Requirements (TSR),

and the role of AC in the TSR. Section 1 also describes the general expectations for the

formulation, implementation, and maintenance of AC.

Section 2 provides guidance for criteria used to classify ACs as SACs, the application of the

safety approach from Department of Energy (DOE or Department) Order 420.1A, "Facility

Safety", to SACs, and how SACs are formulated, implemented, and maintained.

Section 3 provides guidance on measures, which should be used to improve the dependability

of SACs.