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 numerous many years, the web has allowed people with a non-technical historical past to imagine extra regulate of land surveys. yet with out a transparent knowing of the way to competently use land survey facts, and confronted with the demanding situations of speaking particular specifications to a pro land surveyor, conflicts frequently come up that bring about litigation.

A advisor to figuring out Land Surveys bridges the ever-expanding verbal exchange hole among the clients of land boundary details land surveyors.

This vital advisor truly explains the services and methods required in each survey (routine or otherwise), and the position of a surveyor of their research and re-establishment. it's a must-have source for name legal professionals, paralegals, realtors, executive brokers, and others who depend on the knowledge accumulated and offered via land surveys.

Written in nontechnical language and supported by way of a variety of line drawings, A consultant to figuring out Land Surveys not just is helping readers achieve a powerful familiarity with a survey, plat, or land description, yet allows them to correctly assessment it, realize any inadequacies, and make the right kind changes to acquire approval.

The 3rd version of A advisor to knowing Land Surveys has been elevated with thirty percentage new fabric and is totally up to date to mirror the newest perform guidance and know-how, together with using GPS and GIS in land boundary re-establishment. additionally integrated is necessary new fabric on how expertise might be interpreted in assessing the standard and accuracy of a land survey.

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The curvature of the earth and the convergence of the meridians are ignored. The distances measured during the survey are reduced to horizontal distances at a local datum. No adjustments are made to compensate for differences between distances between points on this level surface and distances between the same points on the flat plane of the projection. In short, the tangent plane projection system accounts for the curvature of the earth by ignoring it. Indeed, so little attention is given to the shape of the earth in performing tangent plane projection surveys that many people, even Land Surveyors, forget that every map or plat derived from measured angles and distances is the projection of a curved surface onto a flat plane.

Because every straight land line is actually a plane containing the center of the earth, then every such plane must intersect. For any two straight lines, there are two places on the surface of the earth where these lines intersect; therefore, no two straight land lines can ever be parallel! 8. BEARINGS 41 2. The bearing of straight lines (except for north–south lines and the equator) vary throughout the line. Because none of the north–south lines are parallel, then a straight line that crosses several north–south lines must do so at a different angle for each north–south line.

One could contact an alien on another planet and describe a “degree” as 1/360 of a circle, and that alien could duplicate the standard, having never seen an example. S. survey foot; the alien would have to be given a physical example in order to duplicate it. The relationship of the circumference with the radius of a circle is a natural constant. All angular measurement is defined in terms of a full circle. 2 in the appendix of tables lists the most common definitions for angular measurements. In the United States, the most common definition of angular measurement is 360 degrees to a circle.

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