Why is a sectional view important in surveying?

A sectional view is crucial in surveying because it reveals the internal structure of land or objects. This type of view allows surveyors and engineers to visualize how the land is layered or how a structure is built from the ground up. By cutting through the land or structure, they can gain insights into soil composition, bedrock, elevation changes, or even the arrangement of piping and utilities. This information is essential for making informed decisions about design, construction, and land use.

While estimating land value, simplifying project layouts, and providing top-down views are important aspects of surveying, they do not offer the same level of detail about subsurface conditions or structural components as a sectional view does. Understanding these internal features can significantly affect planning and the engineering of any construction project. Thus, the sectional view forms a foundational element that supports various other analyses in surveying and design.