132x Filetype PDF File size 2.21 MB Source: etlab.gcek.ac.in
LEVELLING Levelling Definition “An art of determining the relative height of different points on, above or below the surface of earth” Objective of Levelling • To find the elevation of given points with respect to some assumed reference line called datum. • To establish point at required elevation with respect to a given or assumed datum. Terms used in levelling
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