1)(a)Draw a sketch of the following figure and determine, by the cross-coordinate method, the area of thefigure which is defined by the following coordinates:StationEastingsNorthingsA613.26418.11В806.71523.16C942.17366.84901.89203.18E652.08259.26(b) You are asked to produce contours for a topographic map of an area where you wish to design andbuild an offibuilding. Describe two methods and the process you can use to obtain the spot heightsto produce the contours using field survey methods. Indicate what factors would determine which ofthe methods is chosen for a given situation. Also indicate how you would improve the accuracy ofthe contour lines by adjusting the specifications for your observations.

Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…

(a)Draw a sketch of the following figure and determine, by the cross-coordinate method, the area of the figure which is defined by the following coordinates: Station Eastings Northings A 613.26 418.11 806.71 523.16 C 942.17 366.84 D 901.89 203.18 652.08 259.26 A E

(a)Draw a sketch of the following figure and determine, by the cross-coordinate method, the area of the figure which is defined by the following coordinates: Station Eastings Northings A 613.26 418.11 806.71 523.16 C 942.17 366.84 D 901.89 203.18 652.08 259.26 A E

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

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.

Question

1)
(a)Draw a sketch of the following figure and determine, by the cross-coordinate method, the area of the
figure which is defined by the following coordinates:
Station
Eastings
Northings
A
613.26
418.11
В
806.71
523.16
C
942.17
366.84
901.89
203.18
E
652.08
259.26
(b) You are asked to produce contours for a topographic map of an area where you wish to design and
build an offi
building. Describe two methods and the process you can use to obtain the spot heights
to produce the contours using field survey methods. Indicate what factors would determine which of
the methods is chosen for a given situation. Also indicate how you would improve the accuracy of
the contour lines by adjusting the specifications for your observations.

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