Chapter 17 - Reading Hazardous Energy Flashcards Preview

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Flashcards in Chapter 17 - Reading Hazardous Energy Deck (16)
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Cold Zone

The area surrounding a warm zone that is used for an incident command post, support agency interfacing, and staging of personnel and equipment


Ground Gradient

Electrical energy that has established a path to ground through the earth and that is now energizing the ground


Hazardous Energy

The unintended and often sudden release of stored, residual, or potential energy that will cause harm if contacted


Hot Zone

The area immediately surrounding a hazardous area that can be considered IDLH requiring appropriate PPE


No-Entry Zone

The area in which no responders are allowed to enter, regardless of PPE, due to dangerous conditions


Warm Zone

The area surrounding the hot zone where personnel, equipment, and apparatus are operating in support of an operation


ISO Concept

ISO needs to identify the presence of potential hazardous energy sources and make a judgment regarding their status (stable or unstable)


Electricity Concept

Always seeking the path of least resistance to a ground


Electricity Concept

Primary method for shock threats is to turn power off. When that isn't possible hazards can be reduced by keeping a 10 foot clearance from wires or any conductive material that may be in contact with the wire


Substation/Transformer Fire Concept

Substation transformer fires and incidents involving large wind farm turbines should not be engaged without technical assistance from the local electrical company


Alternative Energy Concept

Alternative energy systems can include uninterrupted power supply sources such as battery rooms and auxiliary generators that may provide power even though the grid power has been shut off by the fire department


Mechanical Hazardous Energy

Includes tensioned wires, cables, springs, conveyers, and high-rack storage


Pressurized Systems

Typically include a reservoir for the medium, some sort of pump, tubing or a conveyance system, and the tool or implement that uses the pressure to achieve a task. Heat applied to a pressurized system can exceed the system's design limits and cause an explosion


Vehicle Hazardous Energy

Contain forms of energy including fuel systems, heat generation, restraint systems (air bags), batteries, springs and pumps.


Weather Concept

Effective ISO's study weather and understand the particulars of local weather patterns. They keep track of daily forecasts, particularly wind


Weather Hazards

Include rapid weather change, tornadic activity, lightning, severe downpours, and hail