How To Read Levelling Staff

how to read levelling staff

Levelling SlideShare
(a) Self-reading staff (b) Telescopic staff (c) Target staff (ii) Target staff: Instrument man finds it hard to read self reading staff If the sighting distance is more. In such type of case a target staff …... The Bosch GR 500 Levelling Staff is ideal for use with the GOL 26 D Optical Level. With metric dimension and a removable bubble vial for added accuracy, this aluminium staff can extend to up to 5 m.

how to read levelling staff

what is the least count of auto level staff ALLInterview

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This is possible making use of the spirit level on the staff. [6] CHECK THROUGH THE EYEPIECE LOCATING YOUR READINGS ON THE E STAFF. While doing this you need to make use of two screws. The Rotating Screws, 2 in number for rotating the telescope in 360°and for easy reading of the E staff…

how to read levelling staff

How to Use a Staff With a Dumpy Level Mobile CAD Surveying
The dumpy level is an optical surveying leveling instrument consisting a telescope tube firmly secured in two collars fixed by adjusting screws to the stage by the vertical spindle. The telescope of dumpy level can rotate only in a horizontal plane. how to meet deadlines in the workplace CHAPTER 1: LEVELLING 1. Write short notes on the following Staff reading on floor is 1.540 m and the staff reading when the staff is held inverted with bottom touching the beam of the roof truss is 3.888 m. Find the R.L. of the beam. (5) 17. The following series of readings of back sights and fore sights was taken in a fly levelling. The first reading was taken on a point of R.L. 100.000 m. How to make 3 level hanging photo frame

How To Read Levelling Staff

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How To Read Levelling Staff

The levelling staff Levelling involves measuring vertical distances with reference to a horizontal plane or surface. To do this, a levelling staff is needed to measure vertical distances and an instrument known as a level is required to define the horizontal plane.

  • Self Reading Staff • The self reading staff can be read directly by the level man looking through the telescope. • Common types of self reading staffs • Ordinary staff • Sop-with telescopic staff • Folding Staff
  • CC103: Engineering Surveying 1 Chapter 2 2.2 RECITATION METHOD STAFF Level Rod 1.353 2.887 Difference = 1.543 A RL A = 100.000m B Measurement Level / Difference High Drop between Two Let the respective reading on staff A and staff B be 1.353m and 2.887m respectively. The difference of level between A and C.= 1.357 - 2.887 = -1.543m If Reduce level of A is 100.000m, the reduce level …
  • new location) you will need to re-level it and retake the backsight reading (see below). focus the eyepiece first to see the cross hairs then the telescope focus to see the numbers on the staff; use the fine adjustment to be perfectly lined-up.
  • 26/05/2013 · This video shows you how to read an 'E Face' type staff. These staffs are commonly used by surveyors and builders, in conjunction with an automatic level, to take and transfer levels around a

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