Correct option is D
The
reconnaissance survey is the second stage in the survey process, following the initial planning. During this phase, the general character of the area is examined in order to select the most feasible routes for the project. The reconnaissance survey involves a broad assessment of the terrain, identifying potential routes, and narrowing down options based on practical considerations such as geography, costs, and environmental factors. This stage is crucial before proceeding to more detailed surveys like the preliminary and detailed surveys.
