Re-survey the line using a different booking method from the one used previously and undertake all the necessary booking checks. Comment on the differences between the ‘Rise and Fall Method’ and the...

Re-survey the line using a different booking method from the one used previously and undertake all the necessary booking checks. Comment on the differences between the ‘Rise and Fall Method’ and the ‘Height of Collimation Method’ and describe in which situations each would be best used.