total station

Height of instrument method

In this method height of instrument ( HI ) is calculated for each setting of the instrument by adding BS to the bench mark and RL is calculated by subtracting IS and FS from the HI as shown in given video ( IN HINDI)

Rise and fall method:-

In this method, the height of instrument is not at all calculated but the difference of level between two consecutive point is found by comparing staff readings on the 2 points for the same set up instrument. The difference between their staff readings are take between Rise and Fall according staff  reading of the points are smaller and greater then add to the proceeding points.

rise and fall method

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By admin / Administrator, bbp_keymaster

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on Aug 21, 2017

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