HIGH ENERGY OR LOW ENERGY?
This type of hot work produces an open flame or intentionally generates sparks capable of ignition.
What is High Energy Hot Work?
Low energy hot work within this distance of flammable or explosive substances requires a permit.
What is 3 meters?
The maximum allowable combustible gas concentration before hot work must stop.
What is 10% LEL?
Hazardous areas are identified using these maps or drawings.
What are HAC maps or EAC drawings?
This type of hot work may unintentionally spark but does not intentionally create sparks or use an open flame.
What is Low Energy (Spark Potential) Hot Work?
High energy hot work within this distance of combustibles requires a Hot Work Permit.
What is 15 meters?
One fire watch has been assigned, but barriers and equipment prevent them from seeing the entire area where sparks could travel. What is required?
What is assigning additional fire watch personnel?
Non-intrinsically safe mobile devices may be used without a Hot Work Permit in this hazardous area classification if all conditions are met.
What is Zone 2?
Using a grinder that throws sparks would generally be classified as this type of hot work.
What is High Energy Hot Work?
High energy hot work within this distance of flammable or explosive substances requires a permit and continuous monitoring.
What is 25 meters?
The minimum standard post-work fire watch duration.
What is 1 hour?
30mins if hazard review and approval granted.
The hazardous area boundary may be extended from 3 m to this distance when heavier-than-air gas or vapours are present.
What is 7.5 meters?
A worker using equipment that may unintentionally spark but has no flame would fall into this category.
What is Low Energy Hot Work?
Low energy hot work performed inside one of these requires a Hot Work Permit when flammable commodities are present.
What is a tank berm?
This type of monitor is required for high energy hot work within 25 m of flammable or explosive hazards.
What is an aspirated continuous monitor?
You are standing at a wellhead, inside an instrument enclosure, or within 1.5 meters of a process vent. These are examples of what type of hazardous area (zone)?
What is Zone 0 or Zone 1 hazardous areas?
True or False: High Energy Hot Work always requires consideration of fire watch and atmospheric monitoring based on location.
What is True?
During hot work activities when fire and explosion hazards are not present, this permit may be used instead of a Hot Work Permit.
What is a General Work Permit?
One worker may perform these two duties only if continuous observation and immediate response can be maintained.
What are Fire Watch and Atmospheric Monitoring?
Mobile equipment with a fired heater operating within 25 m of flammable vapors requires what 2 things?
What is a High Energy Hot Work Permit and atmospheric monitoring?