WorksheetsPLTW 3.4 Vocab Surverying
Total questions: 22
Worksheet time: 22mins
The reading on a rod held at a point of known or assumed elevation.
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A relatively permanent object, natural or artificial, bearing a marked point whose elevation above or below the adopted datum is known or assumed.
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The difference between a measured or calculated elevation and the true or established elevation.
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A land survey that provides points and elevations for building civil engineering projects. Often called engineering survey.
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Survey that establishes a network of horizontal and vertical monuments that serve as a reference framework for other surveys.
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Any surface to which elevations are referred (for example, mean sea level).
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The process of determining the difference in height between a plane of sight and a point.
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The vertical distance from a datum to a point or object.
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A complete record of all measurements made during the survey with sketches and narration, where necessary, to clarify the notes.
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The final elevation of the ground surface after excavating or filling.
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The reading on a rod held at a point whose elevation is to be determined.
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Surveys to determine relative positions of widely spaced points which require consideration of the size and shape of the Earth.
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The process of changing the topography of a property for a purpose.
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The vertical distance from the datum to the line of sight of the instrument.
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The starting point for a survey.
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The science of determining relative positions of points on or near the Earth’s surface.
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Surveys for which the curvature of the Earth is ignored and measurements are treated as if taken on a plane surface.
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A land survey that establishes property corners, boundaries, and areas of land parcels. Also called land surveys, cadastral surveys, and boundary surveys.
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The difference between the rod readings at the stadia wires.
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Two horizontal cross wires that are equidistant from the center crosshair in the sight.
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A land survey used to prepare maps showing location of natural and man-made features and elevations of points on the ground.
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