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Geodetic Surveying & Position Fixing |
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Definition And Purpose Geodetic surveying is defined as the determination of positions on the earth's surface with reference to an ellipsoid. Some of the scope of geodetic surveying are:-
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Eligibility Criteria To ensure accountability and professionalism in the conduct of Geodetic Surveying and Position Fixing it is a must that quality, regulatory and disciplinary control be imposed on firms involved in this filed. The proprietor or partners of these firms must therefore be professionally qualified as well as registered with the Land Surveyors Board To be eligible to carry out this specialised survey, a firm must be equipped with the relevant instrumentation such as long range and medium range EDM.
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Methodology and Instrumentation The method and equipments generally employed are:- (i) Triangulation Method Using at least one second theodolite for angular measurement of a network of control points, and the use of computer hardware and software for computation and adjustment of the observations meeting the requirement of the Department of Survey and Mapping, Malaysia
Using a medium or long range EDM for angular and distance measurement, and the computation and the adjustment of the observation meeting the requirement of the Department of Survey and Mapping, Malaysia
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(iii) Precise Levelling Using precise level and Invar staff for measurement of relative height over a series of points and the computation and adjustment of the observation meeting the requirement of the Department of Survey and Mapping, Malaysia
Using Global Positioning System (GPS) equipment for data gathering and computer software for processing and adjustment meeting the requirement of the Department of Survey and Mapping, Malaysia
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