Webmodule 6: leveling part 1: 1.1 introduction 1.2 differential leveling 1.3 other leveling methods (part 1) 1.3.1 double rodded leveling 1.3.2 three-wire leveling LEVELING -INTRODUCTION Leveling is the process by which elevations of points or differences in elevation are determined. WebDouble rodded leveling. it is the establishment of differences in elevation between two or more points by employing two level routes simultaneously. Profile leveling. Differences in elevation along a fixed route at designated measured intervals which is applicable for linear facilities and it provides vertical section of the ground surface.

Double-Rodded Double Rodded Leveling - Studylib

In our example (Figure A), the level is set up at Instrument Point 1, and a foresight reading of 4.25 is taken at Turning Point 1 High and is recorded in the field book as shown in Figure B. The rod man then goes to the known point "A," and a backsight rod reading of 4.10 is taken and recorded as shown in Figure B. … See more The level is then moved to Instrument Point 2, a backsight reading of 3.75 is taken and recorded on Turning Point 1 High, and a backsight reading of 5.18 is taken on Turning … See more Terrance Mish received a Bachelor of Science Degree in Surveying from Ferris State College in 1981. He is a licensed land surveyor in … See more The level is then moved to Instrument Point 4, and a backsight reading of 2.27 is taken and recorded on Turning Point 3 High. The rod man then moves to Unknown Point "B," and a foresight reading of 4.33 is … See more Web9. Repeat procedures 2-9 for the second trial. Preferably, another member of the group sets the level at a difference point, balance the bubble and reads the BS and FS to get the difference in elevation between two points A and B. The mean difference in elevation of the two trials will be recorded at the most probable difference in elevation. B. Determination … thomas cook credit card offers

6 Other Leveling Methods - tutorialcircle.weebly.com

WebDouble-rodded differential leveling is a method of determining differences in elevation between points by employing two level routes simultaneously. This method differs from … WebDec 28, 2015 · Looking at the "Tolerances for geodetic leveling" (it always helps to look at the book), see NOAA Manual NOS NGS 3, Geodetic Leveling, 1981 page 3-7. "One … WebCross-section leveling is usually done with a hand level after the profile run has been made. The method is as follows: From the profile run, you know the center-line elevation at each station. Suppose you want to take … thomas cook credit card refund