Types of Scales Used in Surveying
There are two types of scales used in surveying. Numerical scale: 1. Engineer’s Scale: In engineer’s scale, the scale of a map or drawing is the proportion which every distance …
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Common Instrumental Errors in Linear Measurement in Surveying
Length other than standard Tape manufacturers do not guarantee 100 ft steel tapes to be exactly 100.00 ft. An error due to the incorrect length occurs every time the tape …
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When Suitable and Not Suitable for Chain Survey
Chain Surveying is Suitable Ground is fairly level and simple Plans are required on large scale e.g. fields When area is small in extent Chain Surveying is Not Suitable For …
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Definition of Land Surveying
Land surveying is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them, commonly practiced by licensed surveyors, …
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When is a Survey Needed
Landowners are typically informed that a boundary survey is required by their local planning board or building officials in their town when they are looking to build or for approval …
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Advantages of Using Total Stations
The following are some of the major advantages of using total station over the conventional surveying instruments: 1. Field work is carried out very fast. 2. Accuracy of measurement is …
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Types of Measuring Tapes in Surveying
Types of measuring tapes in surveying are 1. Cloth or linen tape 2. Metric steel tape 3. Invar tape 4. Synthetic tape 1. Cloth or linen tape Used for subsidiary …
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Methods of Levelling in Surveying
Three principle methods are used for determining differences in elevation, namely, Barometric levelling Trigonometric levelling and Spirit levelling Barometric levelling Barometric levelling makes use of the phenomenon that difference in …
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