Transit is set up at A observed a stadia intercept of 2.2 m at a vertical angle of +1823’. The stadia interval factor of the instrument used is 95.5 and stadia constant of 0.3 m. If the height of instrument is 1.62 m, and the rod reading is 1.95 m. Determine the horizontal distance from the transit set up A to the rod at point B. a. 201.44 m         c. 198.45 b. 189.48 m         d. 186.56 m

Q: ROD READING INSTRUMENT MIDWAY INSTRUMENT SET-UP NEAR B BETWEEN A AND B A 2.07 m 3.43 m B 0.23 m 1.65…

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A: LINE LENGTH (l) BEARING θ LATITUDE (L) DEPARTURE (D) AB 550 S 80.00° W 260° -95.51 -541.64…

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Instruments for Surveying

Surveying is the practice that determines the relative three-dimensional positions of many different points on the earth’s surface. There are various instruments used in Surveying like Theodolites, Total station, Tripod stands, Plane table, etc. for measuring horizontal angle, vertical and sloping angle, which are very useful for giving accurate and precise measurement.