Introduction to Surveying
Completion requirements
2. Surveying Instruments and Tools
2.1. Traditional Instruments
1.Chain and Tape- Used for measuring distances (examples Gunter's chain, steel tape)
2. Compass-Used for measuring bearings and directions of survey lines.
3. Dumpy Level- Used in levelling to determine height differences.
4.Theodolite-Measures horizontal and vertical angles precisely.
5. Plane Table- Combines field observation and map-making on the spot.
6. Ranging Rod- Used to mark position in the field and for aligning survey lines.
7. Plumb Bob- Used for vertical referencing and transferring points.
8. Levelling Staff- Graduated rod used with levelling instrument to measure vertical distances.
These tools were the foundations of early surveying before modern electronic equipments like total stations and GPS were introduced.