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|  DOE-STD-3003-2000
at acceptable levels for both nuclear and
1.
SCOPE
non-nuclear safety applications.
1.1 Applicability. This Standard
1.3 Background. As a result of
establishes fundamental requirements and
guidance for BACKUP POWER SOURCES
concerns expressed by former Secretary of
at DOE facilities.
Energy James D. Watkins over the number
of incidents where BACKUP POWER
1.2 Purpose. The purpose of this
SOURCES failed to provide electrical power
during tests or actual demands, an
Standard is to document good engineering
Augmented Evaluation Team (AET) was
practices for the installation, testing, and
formed to evaluate the reliability and
maintenance of BACKUP POWER
availability of BACKUP POWER SOURCES
SOURCES at DOE facilities. The term
at DOE DP facilities. The AET conducted a
"BACKUP POWER SOURCES" as used in
series of on-site reviews for the purpose of
this Standard covers both "emergency" and
understanding the design, operation,
"backup" power applications. These sources
maintenance, and safety significance of
typically supply loads used to protect health
emergency and backup power supplies. The
and safety of the public, workers, and the
AET found that the quality of programs
environment; and to reduce the
related to maintenance of backup power
consequences of postulated events involving
systems varied greatly among the sites
nuclear, chemical, or other hazards or having
visited (and often among facilities at the
an adverse impact on the DOE mission. This
same site), and identified areas where the
Standard applies to design and operating
reliability of emergency and backup power
practices for both permanent and temporary
systems should be improved. This Standard
installations used while permanent power
was originally developed to provide a vehicle
sources are being serviced. Examples of
for BACKUP POWER SOURCE reliability
BACKUP POWER SOURCES covered by
improvement to respond to the Secretary's
this Standard are those which supply power
concern and the findings of the AET.
to nuclear safety systems, radiation monitors
and alarms, fire protection systems, security
systems, data processing equipment, and
emergency lighting. The significance of each
individual BACKUP POWER SOURCE
application should be analyzed to determine
the design requirements and classification
levels. See 4.1 for more information on the
significance of BACKUP POWER
SOURCES. This Standard does not provide
criteria to establish the need for or level of
importance of BACKUP POWER SOURCES.
This Standard is not intended and should not
be used as the sole source of information to
develop design requirements for specific
applications. Other requirements such as
those found in DOE Order 420.1, Facility
Safety, may apply to BACKUP POWER
SOURCES depending on their application.
The many appropriate recommended
practices presented in this Standard should
be implemented to maintain the reliability and
availability of BACKUP POWER SOURCES
1
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