Rainwater and drainage
If mature trees stand beside the proposed surface, ask the survey to consider roots and any tree protection constraints before excavation.
Why it matters for your driveway repair: Show the direction of falls, where water gathers and every visible channel, gully or discharge point. For a driveway repair, it helps distinguish a local defect from movement, drainage or base problems that need a wider scope.
Useful photograph: the area after rain, including low points and drainage features.
