In the chain surveying, you have studied the basics of chain surveying. In chain surveying, various equipment and instruments are used for measuring distances along survey lines and thereform important ground features through setting out offsets. The offsets can be set at desired points on survey lines or from ground features on survey line. Several technical terms generally used in chain surveying are also defined and explained.
Procedures of chain surveying including fixing of survey stations, ranging of survey lines and setting the offsets have been discussed in detail. Generally experienced difficulties and obstructions in surveying exercise are explained along with probable errors in measurements of distances and their adjustments.
The procedure for recording measurements in field books has been elaborates so that the records could be simply understood, retrieved and referred to at any future date.