Facility Description - std60030073

DOE-STD-6003-96

5.1 Facility Description

5.1.1 General

Safety analyses inherently contain a description of the facility being analyzed that is suffi-

cient to convey an understanding of the nature and magnitude of the physical plant and systems

involved in the implementation of the facility mission. The description should be sufficient to

allow the reader to understand how the hazardous materials, systems, components, and pro-

cesses that are discussed later relate to the system as a whole and to understand the role and

relevance of the safety systems in the facility. The facility description should also include those

site characteristics that constitute or contribute to facility hazards. The site information should be

sufficient to provide a basis of understanding of the hazards and the mechanisms by which

radiological or hazardous material could have consequences to the public, environment, or

workers.

Useful guidance on the content of a facility description portion of a safety analyses is

available in Department of Energy (DOE) Order 5480.23, attachment 1, page 24 (DOE 1992b):

Safety analyses should contain descriptions of the facility and the principal

equipment and processes provided to fulfill the mission of the facility and should

delineate the plans, provisions, and requirements for their operation, mainte-

nance, and surveillance. Information on the design of principal structures, com-

ponents, and systems should be furnished in sufficient detail to support the

identification of hazards, principal safety criteria, selection of engineered safety

features, and the analysis of off-normal conditions. This information should

include the following, using drawings as necessary:

a. A listing of the safety structures, systems, components, equipment, and

processes discussed in this section of the report;

b. Detailed descriptions of structures or containers used to confine radioac-

tive materials or hazardous chemicals;

c. Detailed descriptions of safety-significant mechanical, electrical, and fluid

systems (i.e. decay heat removal methods...) including functions, design

bases, and relevant design features;

d. Detailed descriptions of chemical process systems, including information

on design configuration, dimensions, materials of construction, pressure

and temperature limits, corrosion allowances, and any other operating

limits, and;

e. A functional description of process and operational support systems,

including instrumentation and control systems...