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Page Title: Table 5-1. Representative equipment found in tritium facilities
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DOE-HDBK-1129-99
equipment. The SEP is designed to be an extremely cost-effective method of enhancing the
seismic safety of facilities and reducing the potential for major economic loss that can result from
equipment damaged by an earthquake.
The following is a suggested list of topics to consider in the design of new systems and equipment
or the evaluation of existing systems and equipment. Representative equipment that may be
found in tritium facilities is listed in Table 5-1.
The PC for each system or component to be reviewed must be defined, (PC 1, 2, 3, or 4) in the
Seismic Equipment List (SEL). The methodology and procedures for evaluating the seismic
adequacy of equipment described in the SEP are based on the observed performance, failure, and
response of various types of SSCs during and after they were subjected to either actual or
simulated earthquake motion. An SSC in a DOE facility can be evaluated for seismic adequacy
provided that the associated guidelines, limitations, requirements, and caveats described in the
SEP are satisfied.
TABLE 5-1. Representative equipment found in tritium facilities
ELECTRICAL EQUIPMENT
MECHANICAL EQUIPMENT
Batteries on Racks
Fluid-Operated / Air-Operated Valves
Motor Control Centers
Motor/Solenoid-Operated Valves
Low- and Medium-Voltage Switchgear
Horizontal Pumps
Distribution Panels
Vertical Pumps
Chillers
Battery Chargers and Inverters
Instrumentation and Control Panels
Instruments on Racks
Engine-Generators
Temperature Sensors
Air Handlers
Computer Data / Storage Systems
Fans
HEPA Filters
Communications Equipment
Gloveboxes
PIPING AND RACEWAY SYSTEMS
Miscellaneous Machinery
ARCHITECTURAL FEATURES
Cable and Conduit Raceway Systems
Piping
Unreinforced Masonry (URM) Walls
HVAC Ducts
Hollow Clay Tile Walls
Underground Piping
Suspended Ceilings
Underground Raceways
Raised Floors
Stacks
Storage Racks
Conveyors of Material
Cranes
TANKS
SWITCHYARD AND SUBSTATION EQUIPMENT
Vertical Tanks
Horizontal Tanks and Heat Exchangers
Underground Tanks
Miscellaneous Equipment
Canisters and Gas Cylinders
Miscellaneous Tanks
The general approach for the development of the SEL is envisioned to be a three-step process as
depicted in Figure 5-1. After a SEL Team is selected, the first step of the process is the
development of the preliminary SEL from a list of the facility SSCs. The SEL Team consists
primarily of safety professionals and systems engineers with assistance from seismic engineers
and facility operators. Only a portion of the facility SSCs will be contained in the SEL and, in many
cases, the SEL will contain only safety-related SSCs that must function during or after a seismic
event. The selection of the SSCs belonging on the SEL should be based on the results of accident
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