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Surveying and Spatial Information Regulation 2024
25Tolerance of coordinates
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25 Tolerance of coordinates
25 Tolerance of coordinates
(1) A surveyor must determine accurate MGA coordinates to—
(a) a horizontal position equal to or better than Class “D”, or
(b) a horizontal positional uncertainty of 0.1m or less.
(2) A surveyor may determine MGA coordinates to a horizontal positional uncertainty of 3m or less if the survey mark is used to measure height only.