c- You must establish the elevation of point B from point A (elevation 187.298 m). Points A and B are on opposite sides of a 12-l highway. Reciprocal leveling is used, with the following results: Setup at A side of highway: Rod reading on A = 0.673 m Rod readings on B= 2.416 and 2.418 m Setup at B side of highway: Rod reading on B = 2.992 m Rod readings on A = 1.254 and 1.250 m a. What is the elevation of point B? b. What is the leveling error?

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Methods of Surveying

Surveying is the practice to determine the relative three-dimensional positions of various points on the earth’s surface. This is done by computing the vertical and horizontal distances, angles between the points, collecting the observations, and plotting them on a map of any appropriate scale. Accuracy can be achieved by using the latest instruments like a theodolite, tachometer, etc. Leveling is a subdivision of surveying where the objective is to locate the elevation of objects considering a datum level.