The contour interval is kept large When funds are limited and the contour interval is kept small when a fund is not a problem. If the contour interval is small, greater time Will be take in the field survey, in reduction and in plotting the map. If the time available is less, a greater contour interval should be used. The extent of the survey in such cases will generally be small in the case of location survey, for a line of communications and for reservoir and drainage areas, where the extent of the survey is large, a large contour interval is to be used. The contour interval largely depends upon the purpose and the extent of the survey.įor example, if the survey is intended for detailed design work or for accurate earthwork calculations, a small contour interval is to be used. ![]() Characteristics of ContourĪlso Read : Something About Civil Engineering Design Software Purpose an Extent of The Survey It gives a general idea about the topographic features of the ground which is helpful in deciding the location or alignment of an infrastructure project. Plotting of contours gives the topography of the area surveyed. The bold index contour has a value of two (2). otherwise, the general appearance of the map will be misleading. The contours generated from the elevation dataset are rasters with a value of one (1). The contour interval is kept constant for the contour plan. ![]() ![]() or It is the difference of elevations between two successive contours. Contour Interval Definitionĭefinition of Contour Interval is defined as verticle distance between any two consecutive Contours. A contour line accentuated by a heavier line weight to distinguish it from intermediate contour lines. Contour interval, definition of contour interval, contour interval definition, what is the contour interval of this map, what is the contour interval of the map, how to find the contour interval, what is a contour interval on a map, how to find contour interval, contour interval of a map, contour interval on a map, contour interval example, contour interval on a map, contour interval formula, contour interval is mcq, contour interval calculator, what is a contour interval apex, index contour line, importance of contour lines, etc these al are related question which also find and read by engineer who read these civil experience article. index contour line synonyms, index contour line pronunciation, index contour line translation, English dictionary definition of index contour line.
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