Associate Safety Professional Practice Exam

Which type of scaffold is suitable for a load of 57 lb/ft squared?

1. Heavy duty scaffold

2. Light duty scaffold

3. Medium duty scaffold

4. Frame scaffold

The correct answer is: Heavy duty scaffold

The classification of scaffolds is primarily based on the amount of load they can safely support. Heavy duty scaffolds are designed to accommodate heavier loads, typically ranging from 75 lbs/ft² to well over 100 lbs/ft², making them appropriate for applications where substantial materials and equipment will be present on the scaffold. Given that the scenario specifies a load of 57 lb/ft², this amount exceeds the capacity of light duty scaffolds, which generally support up to 25 lbs/ft², and medium duty scaffolds, which typically handle loads up to 50 lbs/ft². Since the load is 57 lb/ft², a heavy duty scaffold is indeed the most suitable choice, as it can comfortably carry this weight while ensuring safety and stability. In summary, heavy duty scaffolds are purposefully engineered to handle higher loads, making them the best fit for the specified weight of 57 lb/ft². Utilizing a scaffold that meets or exceeds the load requirements is vital for ensuring the safety of workers and the integrity of the work being performed.