Show complete solution and answer in the nearest 4 decimal places. An engineer's transit is setup at point B which has an elevation of 145.65m above MSL. Point B issituated between points A and C. Point B is the lowest among the three points. The horizontal distance BA and BC are 180m and 200m respectively. The rod reading at A is 1.50m with the line of sight inclined 15 degrees with the horizontal. The rod reading at C is 1.95m with the line of sight inclined 35 degrees with the horizontal. The height of the instrument/transit is 1.10m from the ground. a) What is the difference in elevation of point A and C? b) What is the elevation of point €?

Q: A line of levels was run from point 5 to point 6, 8km apart. The average backsight and foresight…

A: Given: Average backsight and foresight distance = 100 m Distance between point 5 and point 6 = 8 km…

Q: 64.41m. and the elevation of point K is 320m. above mean sea level. If the height of the instrument…

A: Given :

Q: Reduce the set of differential leveling notes in Table 2-11, and perform the arithmetic check.…

A:

Q: 9. In order to find the difference in elevation between two points P and Q, a level was set upon the…

A: Given data in question  Line PQ Distances Rod readings To find out  Corrected elevation difference…

Q: Leveling Rod Leveling Rod BS L₂ BS TP BM, Elev. of TP, Difference in Elev. between and BM₂ BM Elev…

A:

Q: STATION H.I H. ANGLE H. DIST V. DIST ELEV. ft ft ft Instrument station #1 (between BM and station…

A: Height of the instrument =elevation +vertical height and   elevation =height  of indtrument -vetical…

Q: 1. For the given set of data of differential leveling as shown in the tabulation: Station Backsight…

A:

Q: To test its line of sight adjustment, a level is set up near C (elev. 193.436 m) and then near D.…

A: station C elevation is given as 193.436 mwhen setup is near C: station C reading =1.315 m…

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.