Using proper methods of contour line interpolation, establish contourlines for the problems given in

Using proper methods of contour line
interpolation, establish contourlines for the problems given in Figure 1. Use
indicated contourintervals. Labelall index contours and keep in mind the
characteristics of contours discussed in this chapter.

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2.

a. Given the surveyor’s field notes from a
control point survey, establish contour lines at the contour interval indicated
in Figure P9–2. Index contours should be a heavy line weight and should be
labeled. Use interpolation where required.

b. Assume that the drawing shown in Figure
P9–2 is at a scale of 1 in.=200 ft. With your CAD system, digitize the drawing,
also transferring all the elevation points. Inter polate and construct contours
within CAD a tan interval of 5 ft. Index contours should be a heavy line weight
and should be labeled. Place labels of road, drive way, and other features
where appropriate and give them a finished plotted height of 1/8 in. Elevation
labels should have a finished plotted height of 1/8 in. Plot at 1 in. = 50 ft
on a D-size sheet of paper and submit the drawing to your instructor for
approval.

 

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