According to the HSE (Health and Safety Executive), in order to manage risk when working at height, you or an appointed competent person must complete the following steps:
- Carry out a working at height risk assessment
- Identify relevant precautions
- Produce a method statement
Let’s take a closer look at those three steps…
Working at height risk assessment
Following HSE's guidance, in the first step of a working at height risk assessment you must identify possible hazards, weigh up the likelihood of someone getting harmed, and evaluate how serious the damage could be. These areas tend to be rated on a scale of 1-5, with the risk ratings being 1 =superficial and 5 = fatal, and the likelihood ratings being 1 = highly unlikely and 5 = highly likely.
Risks will vary from one job to the next, of course, but if you’re working at height then the most common risks are...
- Falling from height
- Dropped equipment
- Fragile surfaces
- Mistakes with ladders
Once you have identified any hazards/risk factors, you must then take the necessary steps to ensure the work is “properly planned, supervised and carried out in a safe manner.”
Identify relevant precautions
When approaching work at height, you should follow the HSE’s work at height hierarchy of controls. This list of controls must be followed systematically; only when one is not practicable should you consider the next option.
For example, here are the first two options:
- “Avoid working at height unless it is essential e.g. erect guard rails on steelwork at ground level and then crane the steel and the guard rails into position; provide cast in mesh across riser ducts at the position of services; fix nets using extending poles.
- Prevent falls by using an existing safe place of work that does not require the use or addition of work equipment to prevent a fall e.g. a flat roof with permanent edge protection.”
So, the first thing you should always do is consider if working at height can be avoided. Only if it cannot be avoided, should you move on to follow the next option, and so on.
Produce a method statement
It’s important to record the risks and precautions associated with specific work at height jobs and communicate them with everyone involved. This is called a method statement and is the final stage of a working at height risk assessment.
Method statements ensure that all risks have been considered and that there are appropriate measures in place to control them. By providing clear instructions, the method statement reduces the likelihood of misunderstandings and mistakes.
There are no set requirements for an effective method statement. They can vary in length but should always be clear and concise, leaving no room for confusion. Some areas that should be mentioned include:
- Clearly describe the task
- List potential hazards
- Evaluate the risks
- Detail control measures to mitigate these risks
- Provide a detailed, step-by-step guide on how to perform the task safely
- Define who is responsible for each task
- Outline emergency procedures
You can also include a few simple sketches to add further explanation.
Working at height safety equipment
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Working at Height Safety Gear
