Day: January 30, 2019

Levelling Terms, Levelling Instruments, Levelling Staff, Levelling Methods and Uses of LevellingLevelling Terms, Levelling Instruments, Levelling Staff, Levelling Methods and Uses of Levelling

Levelling is known as the Elevation measurements involve measurements in vertical plane. It may be defined as the art of determining the elevations of given points above or below a datum line or establishing given points of required heights above or below the datum line. TERMS USED IN LEVELLING Before studying......