245x 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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