Construction Supervisor License Practice Exam

Which of the following indicates a need for scaffolding to be erected?

1. When working at heights of 4 feet or higher

2. When the work area is more than 25 feet above ground

3. When working on uneven surfaces

4. When working with heavy equipment

The correct answer is: When working on uneven surfaces

Scaffolding is essential for maintaining safety and ensuring that workers can perform tasks effectively at varying heights, especially when surfaces are uneven. Working on uneven surfaces can create stability challenges. If a worker is on solid ground at a height that may require balancing or maneuvering, scaffolding provides a secure platform that minimizes the risk of falls or accidents caused by shifting surfaces. In scenarios where surfaces are uneven, scaffolding not only offers a stable workspace but can also be adjusted to compensate for the ground's inconsistencies, ensuring that the equipment and personnel remain level and secure. This increases both safety and efficiency on construction sites. While working at heights of 4 feet or higher typically requires some form of fall protection, scaffolding is particularly necessary when the work becomes complex, such as on uneven ground. Heights greater than 25 feet certainly indicate a heightened risk factor, but uneven surfaces directly affect how the work can be performed safely regardless of the height. Additionally, working with heavy equipment does necessitate precautions but does not directly indicate the need for scaffolding in the way that uneven ground would when combined with height conditions.