Mention any four points to be kept in mind while entering the staff reading in a level field book.
1 Answer
The following points kept in mind while entering the staff reading in a level field book.
1) The reading should be entered in the respective columns and in order of their observation.
2) The first entry on the page is always a back sight and the last one always a foresight.
3) In carrying forward the readings from one page to the next, if the last entry happens to be an intermediate sight, it is entered in a both, I.S and F.S columns against it should also be repeated on the next page.
4) The fore and back sight of the change point should be written in the same horizontal line.
5) The R.L of plane of collimation should be written in the same horizontal line opposite the back sight.
6) Bench marks, change points, and other important points should be briefly but accurately described in the Remarks column, and their sketches drawn on the left hand side of the page.
1) The reading should be entered in the respective columns and in order of their observation.
2) The first entry on the page is always a back sight and the last one always a foresight.
3) In carrying forward the readings from one page to the next, if the last entry happens to be an intermediate sight, it is entered in a both, I.S and F.S columns against it should also be repeated on the next page.
4) The fore and back sight of the change point should be written in the same horizontal line.
5) The R.L of plane of collimation should be written in the same horizontal line opposite the back sight.
6) Bench marks, change points, and other important points should be briefly but accurately described in the Remarks column, and their sketches drawn on the left hand side of the page.