Installing scaffolding is a critical step on any construction site. A mistake during assembly can cause serious accidents, costly delays and legal penalties. Yet, the same mistakes keep coming back on the construction sites. In this article, Alchary presents the 5 most common errors when installing scaffolding and, above all, how to avoid them.
Error n°1: Do Not Check Ground Stability Before Installation
Why is this an error?
Many teams rush to assemble the scaffolding without analyzing the support surface. Soft, sloped or uncompacted soil can cause the entire structure to sag or collapse, endangering workers’ lives.
Best practice:
- Always check the flatness and flotation of the floor before installation.
- Use adjustable distribution plates or base insoles.
- Be especially vigilant on soft or sloped ground.
Error No. 2: Ignoring Current Safety Standards
Why is this an error?
Some site managers underestimate safety standards to save time. This is a mistake that can lead to serious accidents, fines, and legal action.
Best practice:
- Respect local and international standards (EN 12811, EN 39).
- Train your teams on editing and security rules.
- Use only standards-compliant hardware.
Error No. 3: Overload the scaffolding beyond its capacity
Why is this an error?
Laying too much material or having too many workers work on the same platform at the same time is one of the main causes of accidents. The structure can deform or collapse under excessive load.
Best practice:
- Always check the manufacturer’s data sheet for maximum allowable load.
- Never exceed manufacturer limits.
Error No. 4: Neglecting Anchors and Braces
Why is this an error?
A scaffolding not properly anchored to the building can tip over due to wind or site vibrations. This risk is particularly high in height.
Best practice:
- Install the anchor points according to the manufacturer’s recommendations.
- Place the (diagonal) braces on each level to stiffen the structure.
- Check anchor strength after each period of strong wind.
Error No. 5: Omit the Collective Protections (Railings, Baseboards)
Why is this an error?
Platforms without guardrails or toe boards expose workers to falls from heights and falling objects on people below.
Best practice:
- Equip each railing work level (handrail + intermediate rail).
- Install foot skirting boards to prevent objects from falling.
- This is a legal obligation and an act of responsibility to your team.
Conclusion: Safety on site, it can’t be improvised
Installing scaffolding requires method, rigor, and quality equipment. By avoiding these 5 common mistakes, you protect your teams, comply with the law, and optimize your site deadlines.
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