Volume Calc

Earthwork volumes from BB / TB / PSL survey points · MVP

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Load CSV

Or paste CSV

Compare to earlier survey

Load a second CSV of the same site at an earlier date. The app matches features by ID and reports material added or removed between surveys.

Surface overlays

Slope arrows (steepest-descent vectors on batter + top) Density hot spots (warm = far from any surveyed point = low confidence)

Audit

Timestamped PDF with the input hash, all six method results, validation issues, geometry summary, 3D scene screenshot, and full ring vertex tables. Defensible record for any volume number this tool produces.