In which case would you refer to a typical section sheet?

Answer: C — To visualize road section features

A typical section sheet is primarily used to visualize road section features, providing a detailed cross-section view of the roadway, which includes the dimensions and slopes of various layers like pavement, shoulders, and ditches. This visualization helps inspectors and engineers understand how different elements of the road are designed to interact, which is important for assessing the overall construction and ensuring compliance with design standards. While alignment and drainage requirements are indeed critical aspects of road construction, they are typically found in other documents, such as alignment plans and drainage plans, rather than in a typical section sheet. Similarly, while material specifications are important, they are usually listed in separate material submittals or specifications rather than on a typical section sheet. Thus, the typical section sheet serves a unique and specific role, making it essential for visualizing how the components of the roadway fit together.