Question

who is responsible for designing a scaffold? a competent person a qualified person an experienced person the shift supervisor

Explanation:

In construction, a scaffold design requires specialized knowledge. A "qualified person" has the formal training, education, and certification to ensure the scaffold meets safety and structural standards. Competent and experienced persons may lack the formal qualification, and a shift supervisor's role is more about on - site management rather than design expertise.

Answer:

A qualified person