NALMCO Certified Apprentice Lighting Technician (CALT) Practice Exam

When, if ever, is it okay to lean against the wall when on a scaffold?

1. When the scaffold is tied securely to the wall

2. When the scaffold is tilted against the wall

3. When your supervisor tells you it's okay

4. Never

The correct answer is: When the scaffold is tied securely to the wall

Leaning against the wall when on a scaffold is acceptable when the scaffold is tied securely to the wall. This is important because a securely tied scaffold can provide additional stability and support. Properly bracing the scaffold against the wall mitigates risks associated with movements or shifts that can occur during work, ensuring that the scaffold remains in place and doesn't tip over. When the scaffolding is tied, it reduces the likelihood of it becoming unstable due to a heavy load or when personnel lean against it. Safety regulations often dictate that scaffolds must be properly secured to prevent accidents. Therefore, only in this context, where the scaffold’s stability is guaranteed through secure anchoring, is it permissible to lean against the wall. In contrast, leaning against a scaffold that is tilted or unsecured can pose significant risks, as this lack of security increases the chance of falling or causing the scaffold to collapse. Additionally, following instructions from a supervisor should always be based on established safety guidelines, and if those guidelines do not specify that leaning is acceptable, that direction alone would not suffice to ensure safety. Leaning against a wall in general, without proper safety precautions, should be avoided altogether.