A Guide to Understanding Land Surveys by Stephen V. Estopinal

By Stephen V. Estopinal

The nonsurveyor's definitive land survey sourcebook—now greatly updated

Over the final a number of a long time, the net has allowed people with a non-technical historical past to imagine extra keep an eye on of land surveys. yet and not using a transparent knowing of the way to properly use land survey info, and confronted with the demanding situations of speaking particular standards to a pro land surveyor, conflicts frequently come up that bring about litigation.

A advisor to knowing Land Surveys bridges the ever-expanding communique hole among the clients of land boundary details land surveyors.

This necessary consultant sincerely explains the capabilities and techniques required in each survey (routine or otherwise), and the function of a surveyor of their research and re-establishment. it's a must-have source for name lawyers, paralegals, realtors, govt brokers, and others who depend upon the data collected and provided by way of land surveys.

Written in nontechnical language and supported via a number of line drawings, A consultant to knowing Land Surveys not just is helping readers achieve a robust familiarity with a survey, plat, or land description, yet allows them to correctly evaluation it, observe any inadequacies, and make the right kind alterations to procure approval.

The 3rd variation of A advisor to figuring out Land Surveys has been accelerated with thirty percentage new fabric and is totally up to date to mirror the most recent perform instructions and expertise, together with using GPS and GIS in land boundary re-establishment. additionally incorporated is critical new fabric on how know-how can be interpreted in assessing the standard and accuracy of a land survey.

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This location is the point where the Land Surveyor orients the work to some form of directional control that is recoverable, meaning physical marks on the ground, magnetic observations, celestial observations, or any procedure that defines a direction that can be repeated by another, at another time. True north is widely claimed but almost never used as this control meridian. The most common form of directional control in boundary surveys of this type is an assumed north created by the recovery of a reported bearing.

The actual surface of a tract of ground—that is, the air-land interface, can be altered by earthwork. Leveling hills or plowing furrows alters the exposed surface of dirt, but land areas, as defined in real property terms, cannot be altered by earthwork. 10. HORIZONTAL ANGLES Because real property lines are actually vertical planes, the intersection of these planes will form a vertical ray or a land point. 5 vertical places, forming two “horizontal” geometric lines. It is the angle between these two “horizontal” lines that is reported as the angle of a property boundary intersection.

The distance from the datum to the level surface containing point “B,” measured along a plumb line, would be the elevation of “B” as referenced to that datum. Many different areas have established, through convention or municipal and state government, local vertical datums. 10. HORIZONTAL ANGLES 27 datums are being rapidly replaced by the federal standard datum established by the National Geodetic Survey (NGS). This federal datum is known as the North American Vertical Datum of 1988 (NAVD 88). This replaced the NGS-defined National Geodetic Vertical Datum of 1929 (NGVD 29).

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