What kind of drawing requires the use of an Engineer's scale?

The correct choice for this question is associated with the nature of the drawings and the specific measuring needs they entail. An Engineer's scale is particularly designed for precision measurement in engineering drawings, which often require accurate scaling for physical dimensions, such as grading, contouring, and other site-related measurements.

In this context, construction drawings typically include crucial information about dimensions, materials, and installation practices that demand detailed measurement. These drawings need to present an accurate scaled representation of the project to ensure that contractors and site workers can interpret the plans correctly to execute the work as intended.

Other types of drawings listed may also require scaling but do not typically necessitate the specific accuracy and format that an Engineer's scale provides. Detailed architectural plans, while they utilize measurements, often use a scale that is more suited to architectural standards. Similarly, site plans often incorporate elements that might be drawn to simpler scales. Survey maps, while detailed, generally rely on specialized scales adjusted to survey standards as opposed to the precise units used with an Engineer's scale. Thus, construction drawings stand out as the type that distinctly requires the specific qualities of an Engineer's scale.