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2 cards from this section. Quick, good the night before a test.
What is a Bench Mark (BM)?
Think about a landmark with a specific height.
What does a Back Sight (BS) reading indicate?
Consider it as the first step in the measurement sequence.
What is the purpose of leveling in surveying?
Think about what surveying typically involves!
True or False: A Back Sight (BS) is always taken on a known elevation.
Recall the definition of Back Sight.
A surveyor needs to establish the height of a new building, but the terrain is uneven. How should they proceed with their leveling?
Think back to the step of using intermediate points!
Discuss how wind could affect your leveling observations and what steps you could take to mitigate this issue.
Recall how environmental factors affect stability.
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