Environmental, Safety, and Health (ES&H) Functions cont'd

DOE-STD-1036-93

considered for independent verification. The following are examples of

components and systems that may have an ES&H function:

C Fire protection systems (e.g., fire detection systems, fire-fighting

water supply and storage, halon and carbon dioxide (CO2) storage

systems)

C Ventilation systems (e.g., toxic fume hoods, glove boxes, breathing

air supplies)

C Emergency power systems (e.g., uninterruptible power supplies

(UPS), emergency generators, load shedding or transfer switches)

C Components preventing uncontrolled release of toxic or radioactive

materials into the environment (e.g., isolation valves, monitoring

systems, hold-up tanks).

In addition to components of designated safety or environmental

protection systems, certain components in virtually any system may

perform a safety function when used as part of a lockout/tagout. Such

components include circuit breakers and valves used to isolate energy or

hazardous materials from a work area, grounds installed prior to service

on electrical equipment, telltale bleed lines for verifying hazardous

material isolations, etc. The facility's lockout/tagout program should

address the use of these components in protecting personnel and

equipment, and the verification required in connection with that use. A

more complete discussion of the requirements for personnel protection

during service or maintenance is found in DOE Order 5480.19, Chapter

IX, "Lockouts and Tagouts," and in DOE-STD-1030-96, Guide to Good

Practices for Lockouts and Tagouts.