Both methods of booking the readings of a levelling run are the same That is, the first reading of any setup is a Back Sight and would be booked in the column labelled Back Sight The same method is used for these calculations, but this time we have = and this result is noted in the ReducedOct 30, 11 · Rise and Fall Method This method is complicated and is not easy to carry out Reduction of levels takes more time Visualization is necessary regarding the nature of the ground Complete check is there for all readings This method is preferable for check levelling where number of change points are moreTo obtain the reduced level of a point in the field from staff readings ,we have 2 methods Height of Instrument or Collimation methodRise and fall methodIn How To Calculate Slopes And Gradients Rise and fall method calculation pdf
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