Ex7-3 In differential leveling, one party made a run using second order / class I methods and find the difference in elevation 41.0962 m. Another party followed the same route using third order / Class II methods are found the measurement as 41.1076m. Find the difference in elevation between the observed station.
Solution :
Set |
Difference in elevation (hi) (m) |
Order/ Class |
Relative Accuracy (mm) |
Weight Ratio |
Weight (wi) |
wi x hi |
I |
41.0962 |
2nd/ I |
± 1.0 |
|
1.69 |
69.4525 |
II |
41.1076 |
3rd/ II |
± 1.3  |
 |
1 |
41.1076 |
|
|
|
|
|
|
110.560 |
