Double roddingĀ is a technique used in land surveying to ensure the accuracy of measurements taken with a leveling instrument, such as a level or transit. The process involves using two rods, one pl…
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Great for studying Levelling concepts THE VIDEO DESCRIBES THE INFORMATION ABOUT THE CONCEPT OF LEVELLING .. WITH IT'S OBJECTIVES TYPES OF LEVELLING AND OTHER IN VERY SYSTEMATIC MANNER..
This video shows you how to calculate out the Rise and Fall Level Book so that you are able to establish the Reduced Level of the point that you have surveyed.