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Fly Levelling Procedure in Surveying by teeyuan is a document available to read on EtoBox.
What is Fly Levelling Procedure in Surveying about?
Fly levelling is a type of approximate levelling used to connect benchmarks to survey lines. It involves taking backsight and foresight readings while moving the auto level strictly along the line between benchmarks and survey points. Fly levelling is performed when work sites are far from benchmarks. Surveyors start by taking a backsight on the benchmark, then proceed towards the worksite establishing temporary benchmarks until work is complete, then return to the original benchmark. The purpose of fly lev
- Author
- teeyuan
- Language
- EN