Fall protection is required when one or more employees have exposure to falls ______ feet or greater to the lower level
6ft for construction
4 ft for general industry
What are the four main types of electric injury ?
electrocution
electrical shock
Trauma
burns
If machines are not properly de-energized (locked-out) while they are being repaired, they _____.
may cycle or otherwise start up
Why is it important to use tag lines when loads are being lifted by a crane or hoist
it allows the worker to have control and stabilize the load from a safe distance.
Why is a toe board important on guard rails?
Prevents struck by hazards from lower levels
Name 3 ways to protect yourself from a fall hazard
Covers, guardrails, personal fall protection, ladders, safety nets
OSHA requires that equipment be kept _____ away from power lines with voltages up to 50 kilovolts (kV).
10 feet
What should you do if you cant see the operator ( or they cant see you) during spotting
Stop immediately
A rotating excavator arm can hit or pin workers if they enter this part of the machine’s movement area.
Swing radius
What hazard is created when tools or materials are stored on elevated surfaces without restraint?
What is the difference between a fall restraint and a fall arrest system?
Fall restraint - Prevents a worker from reaching an edge or fall hazard.
Fall arrest- Allows a fall to occur but stops the worker safely after they have already fallen.
What is the best strategy to eliminate the hazard from an extension cord that is damaged with a section of exposed wire?
Replace the cord
Why is it important to keep hands, clothing, and tools away from pinch points and rotating shafts?
Can quickly pull in hands, clothing or tools, causing crush injuries or amputations
Name 4 different ways to protect yourself/others from struck by hazards
Secure tools and materials, be visible, maintain a safe distance from equipment, PPE, use tag lines, stay out of the line of fire, proper material handling
What is the leading cause of fatalities in construction?
Falls
A proper anchorage point must be able to support at least ____ lbs
5,000 lbs
What is the difference between electrocution and being shocked?
Electrocution means death from electricity.
Being shocked means you survived the electrical contact.
Name the three different types of Caught- in / between hazards
A chain is used to pull a stuck skid free. The chain is under high tension and suddenly snaps, whipping back towards the workers.
1. Why are line of fires dangerous
2. what should be used/ checked before applying tension
Workers are in the direct path of released energy. Could have caused struck by injuries, amputations or fatalities
clear all workers from the line of fire. Check the chain rating and proper anchor points
Explain the difference between a struck‑by hazard and a caught‑between hazard in a scenario involving a moving vehicle and a worker.
A forklift turns a corner and strikes a worker who is walking in the aisle.
A worker stands between a reversing truck and a loading dock wall and becomes pinned between the two.
what are the different types of falls? (Hint: think of the power point. There is a total of 4)
Fall from, Fall into, fall through, Fall down
What is a ground fault current interrupter ( GFCI)
A GFCI detects ground faults and interrupts the flow of electric current, and is designed to protect the worker by shutting off the electricity in a fraction of a second
Use protective systems on trenches that are __ ft or deeper. Have a safe exit in trenches that are __ ft or deeper. Never enter a excavation that hasn't been _____ by a competent person
5 feet
4 feet
Inspected
What are the four common types of struck-by hazards?
Flying objects, falling objects, swinging objects and rolling objects
If someone is being shocked and is still on contact with the electrical source, what should you do?
Shut off the source