COHE
What is Uncontrolled release of energy?
Potential Fatal Risk for Electricians
What is Exposure to Electrical Hazards?
IF the penetration is (_____) inches or less a blue stake permit is NOT required
What is 1''?
There are 3 Primary types of guarding
What are?
Point-of-Contact guarding
Location guarding
Area guarding
NFPA stands for
What is National Fire Protection Association?
Required when working on equipment for commissioning, testing, calibrating, troubleshooting, etc
Name three critical controls for Electrical Safety
What are?
Access Control
Barriers and Segregation
Electrical PPE
Energized Electrical Work Permit
LOTOTO
Engineering Controls
An engineer, technician, or other qualified individual that has the ability to review drawings or prints and mark out utilities and pipelines accordingly
Who is a Blue Stake Representative?
Guarding by location requires a distance of at least ____ft
This individual, in coordination with site leader, is responsible for verifying and documenting that each site is in compliance with FCX-HSO3, the Electrical Safety Policy
Who is the Electrical Safety Lead?
Needed when an individual forgets their lock and leaves property
Never assume an electrical circuit is this
What is de-energized?
Hand digging/Pot-Holing will be done when working within (_____) inches of known utilities
What is 24 inches?
Barriers that prevent entry of a miner into an area containing moving machine parts
What is area guarding?
This individual is a qualified Electrical Engineer, competent in performing all analysis required to complete the Arc Flash Study and deliver Arc Flash labels
Who is Arc Flash Engineer?
Individual who locks and tags isolation devices for equipment to perform service of maintenance
Who is an Authorized Individual?
Two people who must complete and sign Energized Work Permit
Who are the qualified individual doing the work and a member of Electrical Supervision?
RED markings for underground utilities indicate
3 examples of acceptable guarding fasteners
Bolts
Clamps
Cotter Pins
Wire ties
Three phase electrical equipment rated greater than _____V shall have an Arc Flash analysis
What is 240V?
Name 5 of the Critical Controls used in COHE
What are?
Blocking for Maintenance Work
Guards, Barriers, Barricades
LOTOTO
Pipe Management
Hose Coupling Locking Systems
Pipe/Hose/Equip Mechanical Integrity
Relief Valves
Tensioned Lines Management
Tire Management
Electrical Gear (breakers, cabinets, switches, panels, etc.) must be labeled to indicate 3 things. Name 2.
What are voltage, equipment being powered, Arc flash requirements?
_________ into floors requires a permit at all times.
Name 3 materials that are acceptable for use in guarding machinery
What are?
Metal
Plastic/Plexiglass
Wood
What 3 things must be listed on an arc flash label applied directly to corresponding equipment
What are?
Nominal equipment voltage
Arc Flash Boundary
Minimum required arc rating of clothing