Assume that the forward azimuth of line D-E is 127-04 measured from the south and the line A-B measures a forward bearing of N 60-48 E. 1. Find the forward and backward azimuth of lines, A-B, B-C, C-D, D-E, E-F, F-A 2. Find the interior and exterior angles of Stations A, B, C, D, E, F,

Q: Determine the bearing and azimuth of each angle. Angle A bearing is NW.

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Q: A N 65° E back tangent line intersects a S 85°E forward tangent line at point “PI.” The BC and the…

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Q: B D89°30'30" 184.90' C Angele D Bearing 0° East 488.60' West+ North st +1 South A 89°45'45" 180°0'0"…

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Q: Convert a forward azimuth of 270°-00'-01" to its equivalent forward bearing

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Q: Situation 1: The back and forward tangent of a parabolic and 3%, respectively. The station of their…

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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.