OSHA's "Fatal Four" Hazards Safety Talk
Construction sites are full of many hazards. Despite the wide-ranging hazards construction workers face, OSHA has determined that there are four types of safety hazards that are responsible for the majority of worker fatalities on construction sites, which they call the “Fatal Four” or the “Focus Four.” In fact, in past years the "Fatal Four" has been responsible for over 60% of all construction worker fatalities. These hazards include falls, electrocutions, struck-by, and caught-in/between.
In this toolbox talk, we’ll go through each of these fatal four hazards in more detail and also provide tips for preventing these hazards.
Falls are the number one cause of fatal injuries in the construction work field. The main causes of construction site falls are unprotected edges and openings, improper scaffolding or use, and improper ladder use. Fall protection is required by OSHA if you are working at a height of 6 feet or more or anytime someone is working over dangerous machinery and equipment. Examples of fall protection are guardrails, safety nets, and personal fall arrest systems.
When using scaffolding, ensure it complies with manufacturer and OSHA standards. Place scaffolding on stable ground and inspect it before each use. Scaffolds should be used if you are higher than 6 feet above a lower level.
If you are using a ladder on a construction site, make sure you are using the correct ladder for the job. Always use a ladder on flat, level ground. Do not overload the ladder, and make sure to face the ladder when climbing and maintain 3 points of contact at all times.
Some ways to prevent falls include:
Next in line for most construction site fatalities is electrocution. Electrocutions occur when a person is exposed to a lethal amount of electrical energy. An electrical hazard is a workplace hazard that exposes workers to the following:
Major types of electrocution incidents come from the failure to recognize and come into contact with energized sources. Other causes are an improper use of extension cords or contact with overhead power lines.
In order to prevent electrocution and other electrical injuries, workers should:
Struck-by incidents occur when a worker comes into forcible contact with a flying, falling, swinging, or rolling object. According to OSHA, the reason fatalities are so high with stuck-by incidents is due to the numerous hazards that can create injuries. These include:
- 1. Struck by falling objects- These injuries can encompass everything from tools and materials being knocked off unprotected edges to a suspended load on a crane coming loose.
- 2. Struck by flying objects- this can include being struck by an accidental nail gun discharge, thrown tolls or debris, or the tip flying off a saw blade.
- 3. Struck by swinging objects- These injuries are caused by swinging objects and usually occur when materials are being moved and something causes the load to sway. Can also happen when a worker is inside the swing radius of a heavy piece of machinery.
- 4. Struck by rolling objects- Injuries caused by rolling objects usually involves a worker being struck by a vehicle or heavy piece of machinery while it is in motion. This can also include any object that rolls, moves, or slides on the same level as the worker.
Preventing Struck-By Incidents
To prevent struck-by incidents, workers should do the following:
Caught-in/between hazards are when a worker is caught, stuck, or crushed from materials, equipment, or a collapsing structure.
Some examples of being caught in or in between are getting your hand caught in a moving part of the equipment, being buried by trench cave-ins, and getting pinned between a wall and a piece of heavy equipment. These accidents are similar to struck-by incidents with the main difference being that these accidents are a result of crushing injuries, not the initial impact as they are with struck-by accidents.
Preventing Caught-In/Between Incidents
Ways to prevent caught-in and caught between injuries include:
Stay Safe & Remember OSHA’s “Fatal Four”
This is a quick overview and some examples of the fatal four hazards in the construction industry. Also listed are some basic ways to prevent these injuries. It is important that all workers understand these types of hazards and also know how to prevent them. Before you start on a new project, evaluate your tasks and your work areas for these types of hazards. Let a supervisor know should you see anything that could cause an injury.
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