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2 cards from this section. Quick, good the night before a test.
Define the term 'Reduced Level'.
What does RL refer to in leveling?
What does BS stand for in leveling?
It refers to the reading taken on a point of known elevation.
What does RL stand for in surveying?
Think about what you measure in leveling.
In the Rise and Fall method, if BS - FS is positive, what does it indicate?
Think about how the staff readings correlate.
You have the following staff readings for three points: BS(1) = 2.0 m, FS(1) = 1.5 m (RL = 100 m), BS(2) = 1.5 m, FS(2) = 0.5 m. Calculate the RL for point 2.
Apply the Rise and Fall principles to find point elevations.
A survey line has three points with the following data: RL(BM) = 250 m, BS = 1.0 m, FS(3) = 2.4 m. What is the Height of Instrument and the RL at point 3?
Break down the process into HI calculation and then use that to find RL.
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