Here I am providing you programmed free spreadsheet for Levelling. This will be helpful to all the Engineering students, surveyors, Engineers in calculations.
You just need to get levels from site and input.
First, you need to get the level of the known TBM point. And insert in the yellow coloured box. (in meter).
Then fill the columns for Backsight, Intersight and foresight.
The spreadsheet will automatically give you the correct Reduced levels.
For more details check below video tutorial and if it is helpful, please share with your friends.
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Follow the instruction to download the spreadsheet. (Level sheet)