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Core - Civil Engineering

    Chapter 24

    Introduction to Surveying

    24.1 : Introduction to Surveying, Plane Surveying and Geodetic Surveys01:27

    24.1 : Introduction to Surveying, Plane Surveying and Geodetic Surveys

    Surveying is the art and science of mapping the earth's surface. It involves measuring distances, angles in horizontal or vertical directions, and levels ...

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    24.2 : Types of Surveys01:27

    24.2 : Types of Surveys

    Surveys are essential for marking property boundaries near water bodies. Different types of surveys are defined, each with its own function. Land surveys ...

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    24.3 : Survey Safety01:28

    24.3 : Survey Safety

    Surveying near highways, rough terrain, or power lines involves significant risks. Working along highways is particularly dangerous and requires the use ...

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    24.4 : Errors and Mistakes in Surveying01:19

    24.4 : Errors and Mistakes in Surveying

    Errors and mistakes in surveying refer to inaccuracies in measurements and data recording. The errors are deviations from the actual value caused by ...

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    24.5 : Distance Measurements by Taping01:18

    24.5 : Distance Measurements by Taping

    Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility ...

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    24.6 : Taping Over Different Ground Profiles01:12

    24.6 : Taping Over Different Ground Profiles

    Taping over varying ground profiles requires careful adaptation to achieve accurate measurements. On smooth, level ground with minimal vegetation, the ...

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    24.7 : Distance Corrections01:15

    24.7 : Distance Corrections

    To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources ...

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    24.8 : Errors in Taping01:18

    24.8 : Errors in Taping

    Errors in taping arise from multiple factors that can significantly impact measurement accuracy in surveying. Misalignment of the tape, often due to human ...

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    24.9 : Electronic Distance Measuring Instruments01:30

    24.9 : Electronic Distance Measuring Instruments

    Electronic Distance Measuring Instruments (EDMs) are essential tools in modern surveying, offering precise distance measurements by emitting ...

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    24.10 : Design Example: Measuring Distance Between Two Points with Obstructions01:10

    24.10 : Design Example: Measuring Distance Between Two Points with Obstructions

    When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths ...

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