 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|  DOE-STD-3003-2000
5.1.4 Maintenance. A corrective
5.
DETAILED REQUIREMENTS
maintenance and preventative maintenance
5.1 Requirements applicable to all
program for the BACKUP POWER SOURCE
and its supporting subsystems shall be
BACKUP POWER SOURCES. The following
established in accordance with DOE 4330.4.
requirements are applicable to ENGINE
The program should be based on the
GENERATORS, UNINTERRUPTIBLE
inspection activities, intervals, and parts
POWER SUPPLIES, and STATIONARY
replacement periods recommended by the
BATTERIES:
manufacturer. The program should take into
consideration the type of service to which the
5.1.1 Internal events. The BACKUP
BACKUP POWER SOURCE is subjected (for
POWER SOURCE shall have the capability
example, continuous duty or standby service
to perform its required function over the
with the number of expected demands/year).
expected range of environmental and load
The program inspection and replacement
conditions independent of the normal
intervals may be adjusted based on
sources of power. The environmental
documented experience with the particular or
considerations shall include the effects of
similar equipment. The level of detail and
anticipated operating conditions and failed
rigor applied in a maintenance program
plant equipment that may have an adverse
should be appropriate to the significance of
impact on the ability of the BACKUP POWER
the BACKUP POWER SOURCE'S failure to
SOURCE to perform its function.
function under loss of normal power
conditions. This may result in graded
5.1.2 External events. The BACKUP
requirements for maintenance varying from
POWER SOURCE, associated distribution
repair-on-failure to manufacturer-
systems, and necessary support systems,
recommended periodic maintenance, or other
shall be protected against those events likely
based on documented experience and failure
to produce a loss of normal power. Examples
analysis.
of such events are hurricanes (high winds),
tornadoes, floods, ice storms, lightning, fire,
5.1.4.1 Management control. For any
and seismic events. The level of protection
should be related to the expected frequency
maintenance program to be effective,
and consequences of total loss of ac power
maintenance priority must be established by
due to the particular event.
all management levels. Management
objectives and control of maintenance
5.1.3 OUTPUT BREAKERS. OUTPUT
activities shall conform to DOE 4330.4 with
particular emphasis as follows:
BREAKER protection and LOAD BREAKER
protection shall be coordinated in accordance
a.
Management shall define the
with NFPA 110. A fault on an individual load
goals, organizational structure,
or circuit should not trip the BACKUP
and lines of authority and
POWER SOURCE'S OUTPUT BREAKER.
responsibility for the maintenance
OUTPUT BREAKERS should have an
program.
interrupt rating greater than or equal to the
maximum available fault current at its
b.
Management shall assign the
location. OUTPUT BREAKERS should be
responsibility for the development
located such that a fire at the BACKUP
of a program and procedures for
POWER SOURCE will not damage the bus
the implementation of
feed circuit downstream of the OUTPUT
maintenance, and approve the
BREAKER. This should prevent a fire at the
developed program.
BACKUP POWER SOURCE from causing
the loss of ability to feed loads from the
normal source.
8
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals