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Land Surveying photos submitted to the community have been categorized and organized by subject tag for easy location by land surveyors inside the community.

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Land Surveying Photos from the Field

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Founding Fathers of Surveying

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In surveying we learn to be aware of almost every thing around us. Collection of data is the objective. A preponderance of evidence is the name of the final game and applies to life big time!!!

Topo Survey

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Topographical survey segmentation 480 segment area zaribat alwadi

 

Land Surveyor Symbols

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Symbols used in Land Surveying

Symbols on a drawing can represent anything that the drafter chooses. There is no national standardization for property surveys so these symbols may vary from state to state and even by county or community. However, there should be a legend or text near the symbols on the drawing explaining what each symbol represents. The best symbols resemble their real-world counterparts, when possible, such as this symbol of a fire hydrant.
 
Some survey drawings are more detailed than others. With some companies, it is not uncommon to see only circles representing property corners on a survey and nothing else. As scale allows and unless noted otherwise, all Professional Land Systems’ surveys show existing visible utility structures on the survey, represented by symbols. These structures include; water meters, utility poles and guy wires, fire hydrants, telecom or broadband cable junction boxes, electrical transformers, manholes, etc. The relative locations of these structures on the drawing can be very helpful in visualizing the property boundaries. Note that symbols are merely general graphical representations so they are not scaled exactly the same size as the objects they represent. The symbols are usually larger for clarity. Here is an example of a typical symbol legend:
 
 
Lines
 

The first lines one should notice on a properly drafted survey are boundary lines, since boundary lines usually are bolder than any other lines on the survey. The property boundaries, after all, are the primary data that a land survey communicates. One should be able to clearly identify the boundary lines and their corresponding measurements above all else on the survey.

Other lines you may see include easements, building setback lines, utilities, edges of paving, concrete, decks, pools, fences, bodies of water, or the outlines of buildings. Each line should be identified in a note or line type legend. Sometimes the lines are dashed or vary in thickness for additional clarity. Computer automated drafting programs allow the use of complex line types which include letters or symbols along the line for easier identification. Here are a few examples of complex line types that you may see on a survey:

 

 Land Surveyor Symbols Guide

A Note About Underground Utilities

Underground utilities are not shown on the survey unless specifically requested. This is an additional contract item. Even then, a disclaimer will be added that the utilities are only shown to the extent marked by utility marking companies or copied from existing utility maps provided by utility companies. Surveyors have no capability to locate structures not visible from the surface.

Miscellaneous Text
 
Pay close attention to the survey notes. Here the surveyor relates important information about the survey and his findings.

 

The date of the survey and scale of the drawing should be indicated.

 

Adjoining property owners or subdivision lot numbers should be indicated on all sides.

 

Flood plains

 

The survey should note whether the property is in a special flood hazard area as established by FEMA. If the property is in a special flood hazard area, a line showing the extent of the hazard area should be shown. In some cases the entire property may be in a flood hazard area.

 

Encroachments or other occupation evidence

 

Take a close look at all the boundary lines around the property. If any structures project across the boundary they should be clearly noted. Often, structures near the boundaries, such as fences, indicate what surveyors call “occupation evidence.” Occupation lines occur when adjacent owners make unspoken claims of land ownership. Sometimes occupation lines coincide with actual property boundaries, in some instances they conflict. Occupation evidence includes fences, buildings, hedges and other plantings, vehicle parking, driveways, etc. This kind of use may lead to an adverse possession claim if it continues for the statutory period. If encroachments are discovered by your surveyor it is important to address them.

 

Survey calls (measurements)

 

Survey calls are a mystery to many people. This section will be a short tutorial on what they mean. First one must be familiar with the four cardinal directions as indicated by the compass rose – North, South, East and West. The cardinal directions divide the earth into four quadrants (refer to the figure below.) Each quadrant represents a 90 degree segment of a full 360 degree circle. Zero degrees begins at either the North or South direction, measured to 90 degrees at the East-West directions as shown.
 
A survey bearing indicates the quadrant in which it exists and the number of degrees into that quadrant measured from zero. The distances are usually indicated in U.S. Survey feet.

 

Sometimes a client will note that measured bearings and distances vary somewhat from the recorded measurements shown within the deed or on the plat. Do not be alarmed. This is perfectly normal and expected. A measured bearing or distance will virtually always vary from the record. There are many reasons for this. It is helpful to have some knowledge of the theory of measurements, residuals, and normal distribution curves but that is beyond the scope of this paper. Suffice it to say that there is no such thing as a perfect measurement.

 

As an exercise, one could go outside and place two nails in the ground at a random distance apart, greater than 50 feet. Ask three different people to help you measure the distance between the nails to the nearest sixteenth of an inch with a tape measure. No matter how carefully you measure, each time you will get a slightly different measurement. Averaging the measurements will give the most accurate result. This is a brief, simplistic explanation for the differences in measurements by survey and those on record. There are many other factors involved. The skill of the original surveyor, the type of equipment originally used, the length of time elapsed and changes in technology since the original survey was performed must all be considered. Differences in measurements are a fact of life in the real world. Rest assured that we have taken the greatest care to adhere to the proper standards of measuring for your land survey.

 

Abbreviations

 

Since space is so limited, abbreviations are common on survey plats. Sometimes the professional uses nomenclature that is so familiar in the industry that he forgets that a client may not know what a particular abbreviation means. Oftentimes the abbreviation is intuitive, such as “conc.” for “concrete” or “asp” for “asphalt.” Some common abbreviations are listed. If you see something on your survey that you do not understand, please ask. We are here to answer your questions.

 

ASP – asphalt IPE – iron pin existing SS – sanitary sewer
EOP – edge of paving IPS – iron pin set S/W – sidewalk
CMP – corrugated metal pipe RET. WALL – retaining wall W.D. – wood deck

 

Intermediate Line Staking

 

The property corners on your survey will be marked. If a property line is very long it may be difficult or impossible to determine where the boundary line is, on the ground, along the entire line. In such cases it is helpful to have the surveyor set stakes along the boundaries at intermediate, inter-visible points. This is an additional contract item that is not usually done unless you have made prior arrangements with the surveyor.
 
Are you Looking for Land Surveyor Glossary of Terms Dictionary?   You can find the Land Surveying A-Z here and we even have a Mobile Land Surveyors Dictionary App for you to use in the field.
 
You can also find the entire library of Land Surveying Symbols in the Prism Mentorship App

Famous United States Presidents who were Land Surveyors

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One of the reasons why the public is so confused about the importance of a land surveyor may be because we haven't had a #surveyor as a #president since Lincoln....what do you think?

 

When you look back on famous land surveyors over the years, you might initially be at a loss. There are actually more famous land surveyors in history than you might think. In fact, historical land surveyors are an important part of the country’s settling.

1. George Washington

One of America’s most famous (and earliest) land surveyors is George Washington himself. The young future president got his bright start at the age of 17 in 1749. It was not long until he was appointed to be the Surveyor General for Virginia. Washington actually played an essential role at this time, because surveying the land promoted expansion westward.

2. Daniel Boone

As an American pioneer and explorer from Kentucky, Daniel Boone resolved settler’s claims to land. The legend was known to have spent much of his time traveling around the American frontier. In spite of the fact that he had no formal schooling, Boone went on to become an expert tracker by the time he was a teenager. In the years following, he took to surveying.

3. Thomas Jefferson

George Washington wasn’t the only president to work as a surveyor. Thomas Jefferson was appointed to work as the Albermarle County surveyor in Virginia in 1773. He also promoted surveying by sending Lewis & Clark on their expedition to explore the land gained through the Louisiana Purchase.

4. Henry David Thoreau

Though most might know of Thoreau as an author, he actually became a surveyor in the 1850s before he published his books. Being a surveyor allowed Thoreau to use his career to facilitate his hobby. Thoreau used his observations to journal his ideas.

5. Benjamin Banneker

As a self-taught African-American mathematician and surveyor, Benjamin Banneker was remarkably successful. In 1789, Washington even appointed Banneker to be part of the team surveying the future site of Washington, D.C. The project took about two years.

6. Abraham Lincoln

The nation’s 16th president got his start as a self-educated man in Kentucky. He worked as a storekeeper and postmaster in addition to surveying land and studying law at the same time. It is clear that Lincoln was a man with a great deal of talent and many skills, seeing how much time he spent participating in different types of work before he became president.

7 & 8: William Clark & Meriwether Lewis

Lewis and Clark were tasked with some of the most intensive land surveying in American history. While Lewis had a reputation as more of a planner, Clark was an expert surveyor and mapmaker. Together, the partners traveled across the land then known as the Louisiana Purchase, making their way to Oregon to scout it out.

on the field

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preliminary levelling exercise for a road design project by students from University of Mines and Technology ghana

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