What does the practice of land surveying include regarding street and drainage systems?

The practice of land surveying fundamentally involves the platting and layout of lands, which is crucial for the proper development of street and drainage systems. Surveyors assess land to create maps that accurately reflect property boundaries and the topography of the area. This process is essential when planning street layouts, ensuring that the roads and drainage systems fit well within the existing land and adhere to regulatory requirements.

In terms of street design, surveyors determine the optimal alignment and grade, facilitating effective traffic flow and safety. When it comes to drainage systems, surveying helps to establish proper drainage patterns and to determine where water will naturally flow, which is vital for preventing flooding and ensuring environmental sustainability.

The other options, while valuable in other contexts, do not directly relate to the immediate concerns of street and drainage system planning. Designing political boundaries pertains to legal jurisdictions rather than physical infrastructure, evaluating historical sites involves a different focus on preservation, and implementing educational programs does not engage with the technical aspects of land development. Therefore, the correct choice emphasizes the crucial role that platting and layout play in guiding infrastructure projects like streets and drainage systems.