Define Reduced level and what are the methods of reduction of levels? Explain in brief.
Answers
reduced level refers to equation elevation at survey point with reference to a common assumed datum.
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The most common used methods of reduction of level are :-
1:- COLLIMATION METHOD:- it consists in finding the elevation of the plane of collimation.
2:- ARITHMETIC CHECK :- the difference between the sum of the back sights and the sum of fore sights should be equal to the difference of the first and the last R.Ls.
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Hope it will help you
Answer:
reduced level refers to equation elevation at survey point with reference to a common assumed datum.
The most common used methods of reduction of level are :-
1:- COLLIMATION METHOD:- it consists in finding the elevation of the plane of collimation.
2:- ARITHMETIC CHECK :- the difference between the sum of the back sights and the sum of fore sights should be equal to the difference of the first and the last R.Ls.