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Tag: Surveying

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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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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Types of Scales Used in Surveying

April 23, 2019April 23, 2019 - by Kathir - Leave a Comment

There are two types of scales used in surveying. Numerical scale: 1. Engineer’s Scale: In engineer’s scale, the scale of a map or drawing is the proportion which every distance …

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Common Instrumental Errors in Linear Measurement in Surveying

April 2, 2019April 2, 2019 - by Kathir - 1 Comment

Length other than standard Tape manufacturers do not guarantee 100 ft steel tapes to be exactly 100.00 ft. An error due to the incorrect length occurs every time the tape …

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When Suitable and Not Suitable for Chain Survey

March 13, 2019March 13, 2019 - by Kathir - Leave a Comment

Chain Surveying is Suitable Ground is fairly level and simple Plans are required on large scale e.g. fields When area is small in extent Chain Surveying is Not Suitable For …

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Definition of Land Surveying

March 11, 2019March 11, 2019 - by Kathir - Leave a Comment

Land surveying is the technique, profession, and science of accurately determining the terrestrial or three-dimensional position of points and the distances and angles between them, commonly practiced by licensed surveyors, …

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When is a Survey Needed

March 4, 2019March 4, 2019 - by Kathir - Leave a Comment

Landowners are typically informed that a boundary survey is required by their local planning board or building officials in their town when they are looking to build or for approval …

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  • Why Crank Bars are Provided in Slab

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