Specific Requirements

DOE-STD-3024-98

Note:

The purpose of this section is to state the specific

If the whole standard is

identified without any qualifications, it

Operability conditions that result from applying the

general definition of Operability to the system being

implies an intent to comply with the

described. In some cases, a certain portion or

entire standard.

feature of a system may be disabled or unavailable,

This subsection shall similarly identify government

but the system is still capable of successfully

regulations that are applicable to the system being

completing its required safety function(s) despite the

described. These include: the Code of Federal

failed portion or feature. Statements of Operability

Regulations (CFRs), DOE nuclear safety

should not be restrictive to the point of requiring the

management rules and orders, regulations from

system to be declared inoperable in such a case.

other Federal agencies such as the EPA, court

If the system has additional Operability

orders (if applicable), state laws and regulations,

requirements that may have been established by

and state permit requirements.

facility management that go beyond those

requirements included in the OSRs/TSRs, these

3.1.5 Operability

shall also be included in this section, but in a

When the system being described is the subject of

manner distinctive from the TSR Operability

TSRs (or OSRs) that require the system to be

requirements.

Operable, this subsection shall state the specific

definition of system Operability (i.e., what aspects

3.2 Specific Requirements

of this system are required to be capable of

performing as intended in order for this system to be

3.2.1 Radiation and Other Hazards

formally considered Operable). To the extent that

the facility authorization basis, including the

This section shall address those safety requirements

OSRs/TSRs, defines Operability specifically for the

(and their bases) that have been established for the

system, that definition shall be the one stated in the

design of the system in consideration of radiation or

SDD. This subsection shall also identify the facility

other hazards (such as lasers and hazardous

operating modes or conditions for which the system

chemicals) that are beyond those typically accepted

is required to be Operable.

in an industrial workplace covered by OSHA.

These requirements pertain to the necessary level of

Note: System compliance with its

protection for facility workers, other employees

"Operability" requirements will ensure

located at the site, and the public. This is the

accomplishment of those safety

jurisdiction of the facility authorization basis. All

functions specified by the applicable

system functional requirements assumed in facility

authorization basis documents such as

authorization basis documents shall be identified if

the FSAR or TSRs. The general

they have not already been presented in the SDD.

definition of Operability is that a

system, subsystem, component, or

This section includes those radiological safety

device shall be considered

requirements that must be met to comply with

OPERABLE or have OPERABILITY

specific numerical exposure limits regardless of

when it is capable of performing its

cost. Those additional safety features that may be

specified function(s), and when all

provided on a cost-beneficial basis are generally

necessary attendant instrumentation

referred to as As Low As Reasonably Achievable

and controls, electrical power, cooling

(ALARA), which is addressed in the next section.

water, or other auxiliary equipment

that are required for the system,

3.2.2 ALARA

subsystem, train, component, or device

to perform its function(s) are also

This subsection shall identify those requirements

capable of performing their related

that might exist to include in the design safety

support function(s).

features (such as special shielding) to reduce the

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