A total station was setup on top of point A. The Target Point Occupied Point OUSCI · rations Vertical Angle C с 0 27 23 A B -18 57 53 It is required to calculate the elevation of point C, if the elevation of point B is 1402.127m. The reflector height was constant. Round your answer to 3 decimal places Slope Distance (m) 233.033 160.200 2

Q: Why is the assembly method of estimating more accurate than any of the single-rate methods?

A: Assembly estimating is an easy, precise way to generate takeoffs.

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A:

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Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.