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Why Hazard Warning Signs Are Essential for The Construction Industry

  • 14 Aug 2018

The following article looks at how hazard warning signs are a key risk mitigation tool in construction and that having the right ones in place is more than just a box-ticking exercise, with it also able to give your construction business a competitive edge.

The construction industry is one of the most high-risk in terms of accidents and injuries to both workers and visitors. Clearly, businesses have both a legal and a moral responsibility to protect health and safety. But it also makes sound commercial sense. Injuries result in lost man-days, costs and damage to reputation, none of which are good for business.

Having the right hazard signs in the right places is core to a construction site’s H&S practices and to instilling a culture of safety and wellbeing that is promoted across the site. While ensuring that employees feel comfortable about speaking out when it comes to near misses in order to improve processes is a positive step, it is always better to have the right signs in place before an incident can happen than afterwards. Here are some of the core areas that need to be considered.


The last thing anyone needs on a construction site is visitors or the idle curious wandering around the place. Access signs ensure everyone knows what areas are off-limits.

When it comes to these types of signs, it is as important to tell people where they can go as where they can’t. Access signs are not just about Keep Out or Permitted Access Only. They also include the signs that tell visitors where they need to report.

Fire safety

It’s a prerequisite in any public place to provide clear and unambiguous information on what to do and where to go in the event of a fire. Clearly, this is even more important in a construction area, where the risk of fire is higher due to the activities going on. There is also a greater chance of layouts changing, new contractors arriving on site and so on, meaning people will not intuitively be aware of the nearest exit.


Accidents happen on construction sites. Objects fall, things spill, and sparks fly. PPE is every contractor’s first line of defence against the risks he or she faces – and it is the employer’s first line of defence in the event of a lawsuit. Being crystal clear on the PPE requirements in terms of boots, hard hats, gloves and so on is in everybody’s interest.

Motor vehicles

A construction site can get crowded with cars, vans and heavy plant competing with foot traffic for space. That sounds like an accident waiting to happen, so signs telling

drivers where to park, when to sound horns and in what areas they are likely to encounter pedestrians all help mitigate the risk.

Which signs do you need?

The above are some of the most common examples, but there are plenty of other types of signage you might need depending on the work undertaken, for example when working at height, where there is live electricity or when corrosive chemicals are in play.

HSE regulations demand that a risk assessment be performed on a regular basis, and identifying the need for additional safety signage should form an ongoing part of this routine.

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