Applying Corrections to the Measured Length of a Line | Surveying
It is necessary to apply the following corrections to the measured length of a line in order to obtain its true length: 1. Correction for Absolute Length 2. Correction for Temperature 3. Correction for Pull 4. Correction for Sag 5. Correction for Slope. 1. Correction for Absolute Length: The absolute length of a tape is expressed as its standard length [...]