Introduction to Surveying

Chain surveying is the simplest type of land surveying. It involves measuring distances using chain or tape and is mainly used for small, level areas. It relies on linear measurements only, with no angle measurements involved.

Key Features

. Suitable for open and flat areas. 

. Requires simple tools like chain, tapes, arrows and ranging rods.

. Ideal for plots with few details and clear boundaries.

Limitations

. Not suitable for large or hilly areas.

. Accuracy can be affected by obstacles or uneven ground.

. Obstructions- Trees, building, or uneven ground can block chaining and sighting.

. Less accurate as compared to modern methods like total stations or GPS.

. Time consuming especially when many offsets or details are needed.

. Not ideal for detailed work- limited in showing elevation or complex features.

. Weather-dependent -Rain or wind can affect tape measurements and visibility.