Basic heating, ventilation, air conditioning system (HVAC) and filtration system construction, operation, and application.

DOE-STD-1183-2004

c. Define the following terms and differentiate between the associated processes:

Event tree

Fault tree

Failure Modes and Effects Analysis (FMEA)

d. Discuss how probabilistic risk assessment methods can help in understanding accident

scenarios.

7. Nuclear safety specialists shall demonstrate a familiarity level knowledge of basic

heating, ventilation, air conditioning system (HVAC) and filtration system

construction, operation, and application.

Supporting Knowledge and/or Skills

a. Given engineering diagrams of a heating, ventilation, air conditioning system, identify the

following components and discuss their purposes:

Blowers

Fans

Dampers

Chillers

Filters

HEPA Filters

Heat exchangers

Scrubbers

Hoods

Glove boxes

Flow, pressure, temperature, current, level, voltage and position indicators, recorders

and controllers

b. Discuss the relationships between the following in heating, ventilation, and air conditioning

systems:

Supply ventilation

Flow

Exhaust ventilation

c. Describe the purpose of the heating, ventilation, and air conditioning system in the following

applications:

Hoods

Glove boxes

Hot cells

HEPA Filtration

d. Discuss the reason for and safety significance of the following system parameters:

Positive vs. Negative system pressure

Differential pressure across filters

Differential pressure across components

e. Discuss the potential hazards and failure modes (to equipment and personnel) associated

with the use of heating, ventilation, and air conditioning systems and components within