Instruments used for chain surveying
Instruments used for chain surveying Classification of surveying: According to the instruments used, the surveying is classifieds follows: ü Chain Surveying ü Compass Surveying ü Theodolite Surveying ü Plane Table Surveying ü Tachometric Surveying Etc. Instruments used for chain surveying: The various instruments used in chain surveying are as follows. ü Chain ü Arrows ü Pegs ü Ranging Rods ü Offset Rods ü Plumb Bob 1. Chain: Chains are used to measure horizontal distances. Chains are formed of straight links of galvanized mild steel wire called links. The ends of each link are bent into a loop hand connected together by means of three oval rings which afford flexibility to the chain. The chains made of mind steel. The ends of the chin are provided with brass h...