23 Terms
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Surveying
The science of accurately determining the terrestrial or three-dimensional position of geographical points and the distances and angles between them.
Industry: Construction
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Surveying
tolerance
Construction; Surveying
A mathematical term indicating the allowable variation from a standard or from specified conditions. It is an indication of the accuracy and the precision of a measurement.
toe of slope
Construction; Surveying
The base or bottom of a slope at the point where the ground surface abruptly changes to a significantly flatter grade.
title commitment
Construction; Surveying
A commitment to provide title insurance to a parcel of land. The surveyor is interested in the legal description and the exceptions.
tile drainage
Construction; Surveying
Land drainage by means of a series of tile lines laid at a specified depth, grade, and spacing.
tile drain
Construction; Surveying
Pipe made of perforated plastic, burned clay, concrete, or similar material, laid to a designed grade and depth, to collect and carry excess water from the soil.
tailwater
Construction; Surveying
The water surface elevation at the downstream side of a hydraulic structure (i.e. culvert, bridge).
swale
Construction; Surveying
An elongated depression in the land surface that is at least seasonally wet, is usually heavily vegetated, and is normally without flowing water. Swales conduct stormwater into primary drainage ...
