Deformation Study in Lancaster
![Leica digital level on tripod inside a concrete structure with glass building foyer. There are survey targets on the walls.](https://d2rsurvey.uk/wp-content/uploads/2023/05/digital-level-structural-monitoring-lancaster.jpg)
I have been measuring this ceiling for several years. First, we 3D scanned the soffit to produce an elevation ramp Periodically, I measure fixed targets with an optical level and a digital level, which achieves only slightly better accuracy, but increases efficiency and reduces the chances of booking errors significantly.