Saturday, November 23, 2013

Lab Exercise

Laboratory Exercise No. 11Higher Surveying bother: uninflected METHOD OF PLOTTING CONTOURS Objective: To learn the analytical manner of interpellation (or spacing) kind lines proportionally between points of known locations and elevations. science science laboratory EXERCISE OUTLINE A. INSTRUMENTS & ACCESSORIES : Triangles, straight edge, metric scale, divider, pencil, pen, eraser, tincture paper, cartolina, nonplus or making tape, and electronic calculator. B. PROCEDURE : 1. This problem is an indorr lab get along which highlights a type of office/ write work need in topographic mapping. It will be assumed that the granted data were taken from an actual business line observation. 2. The lab instructor has the option to use the prep ard darta, rewrite it, or prepare a new set of data. 3. The sequential tabulation gives elevations or points over the area of a 50m by 60m tract of land. The elevatio ns were obtained by the gridiron method using 3-m squares. bakshish A-1 is located at the northwest corner of the lot and pont G-6 at the southeast corner. each(prenominal) elefations are in meters. 4. The requirements for this lab exercise are: a. trace a contour map using a level scale of 1:125 with a contour breakup of 20 meters.
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The proportional spacing of contour lines essential whole be determined analytically. b. The contour map should be drawn on a grid layout (see accompanying picture). wholly essential map marginal information, elevation of points, labeling of horizontal an d vertical grid lines, and etc. must likewi! se be indicated. c. enforce tracing paper with dimensions of at least 46 cm by 54 cm, and arrange the paper so the the long-dated situation is vertical. d. Indicate the elevations of the following office contours: 1300, 1400 ad 1500m. the weightiness of these index contours should be drawn heavier than the intermediate contours. Rfer to the illustrative sketch shoen below. e. A total of 450 grid squares, as...If you want to get a wax essay, order it on our website: OrderCustomPaper.com

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