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Surveying

Errors in Plane Table Surveying

July 23, 2022July 23, 2022 - by Kathir - 3 Comments.

The table must be accurately oriented once the table is shifted otherwise the lines drawn from the new stations will not correspond with the previous ones. The alidade should be …

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Procedure for Tacheometric Surveying

May 29, 2022May 29, 2022 - by Kathir - Leave a Comment

Set up the instrument above the specified station and precisely level it with reference to the altitude level. Set the vertical circle’s vernier to zero. Then, with the altitude level …

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Use of Dumpy level in Surveying

March 6, 2022March 6, 2022 - by Kathir - Leave a Comment

Dumpy level holds significant importance in the surveying of a construction site. The level of accuracy and handiness of dumpy level has made it a prominent choice amongst surveyors. The …

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Triangulation Survey Procedure

December 24, 2021December 24, 2021 - by Kathir - Leave a Comment

In surveying, triangulation is the process of determining the location of a point by measuring only angles to it from known points at either end of a fixed baseline, rather …

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Types of Meridian

November 15, 2021November 15, 2021 - by Kathir - Leave a Comment

True meridian: It is at a point a grade circle passing through the geographical north and south pole of earths surface. Magnetic meridian: It is a direction shown by a …

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Site Setting Out Survey

March 14, 2021March 14, 2021 - by Kathir - 2 Comments.

The method of setting out is the reverse of the surveying process. The process involves the positions and levels of building lines and road alignments shown on the construction plans …

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Triangulation Survey

September 7, 2020September 7, 2020 - by Kathir - Leave a Comment

Reconnaissance Erection of Signals & Towers Measurement of Horizontal Angles Astronomical Observations Necessary to Determine the True Meridian and the Absolute Positions of the Stations Measurement of Baseline Adjustment of …

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Principles and Basic measurements in surveying

April 12, 2020April 12, 2020 - by Kathir - 3 Comments.

Principles of surveying: To locate the point with respect to two known points Working from the whole to the part but not from part to the whole. Accumulation of errors …

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