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 resin driveway: Show the direction of falls, where water gathers and every visible channel, gully or discharge point. For a resin driveway, it can affect preparation, base suitability, drainage, edging and the finished level under vehicle use.
Useful photograph: the area after rain, including low points and drainage features.
