Q3/The preliminary azimuths and observed lengths for the traverse ABCDEA are listed in the Table below a) Compute the latitude and departures. b) Determine the linear error of closure and the accuracy ratio. c) Balance the latitudes and departures. d) Compute the coordinates of station B, C, D and E if the coordinate of station A are 6500.00 N, 4200.00 E Point Length(m) A B C D E A 346.60 271.30 356.62 408.43 210.95 Preliminary Azimuth 14457' 24" 94 * 54' 40" 14°21'56" 283° 52' 52" 229° 54' 48"

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Coordinate Geometry of Survey

Coordinate geometry (COGO) is a method of inserting surveying or engineering data into geographic information system (GIS), computer-aided design (CAD), or mapping software. These data can be collected on the proposed construction site using standard surveying techniques and instrumentation or may be taken from existing maps, engineering plans, drawings, or records. Data gathered on the site includes coordinates of points, bearings, and distances between points. The data are noticed and noted through conventional surveying procedures, like a traverse or layout measurement series and it can be either digital or non-digital. The maps and plans are inclusive of boundaries, divisions, and other components, and these features are shown with coordinate values, the lengths, offset distance, and bearings between them.