![](https://lms.su.edu.pk/storage/uploads/1587377277-surveying-lab-instruments-1483436419-2669050.jpeg)
week 8-9-10: Use of Digital Level, Determination of heights and slopes with Abney level. (field survey)
This lesson includes the following topics:
- The procedure of leveling, methods of calculating reduced levels. Profiles, longitudinal leveling, cross-sectional leveling- accuracy required in leveling operation. Advantage and source of errors in leveling procedure