how to read measurements on a land survey

Introduction

Reading measurements on a land survey can be a daunting task- especially if you are unfamiliar with the process. However- with a basic understanding of the terminology and the tools used to measure land- you can easily read and interpret a land survey. This guide will provide an overview of the different types of measurements used in land surveys, as well as the tools and techniques used to measure them. By the end of this guide, you should have a better understanding of how to read measurements on a land survey.

Understanding the Basics of Land Surveying Measurements

Land surveying is an important part of the construction process, as it provides the necessary measurements for the construction of buildings, roads, and other structures. Understanding the basics of land surveying measurements is essential for anyone involved in the construction process.

The most common type of land surveying measurement is the linear measurement. This type of measurement is used to determine the length of a line, such as the distance between two points. Linear measurements are typically taken using a tape measure, but can also be taken using a laser rangefinder or other electronic device.

Another type of land surveying measurement is the angular measurement. This type of measurement is used to determine the angle between two lines, such as the angle between two walls of a building. Angular measurements are typically taken using a protractor or other device.

The third type of land surveying measurement is the area measurement. This type of measurement is used to determine the size of an area, such as the size of a lot or the size of a field. Area measurements are typically taken using a planimeter or other device.

Finally, the fourth type of land surveying measurement is the elevation measurement. This type of measurement is used to determine the height of a point, such as the height of a building or the height of a mountain. Elevation measurements are typically taken using a barometer or other device.

Understanding the basics of land surveying measurements is essential for anyone involved in the construction process. Knowing how to take these measurements accurately and efficiently can help ensure that the construction project is completed correctly and on time.

How to Read a Land Surveyor’s Map

Reading a land surveyor’s map can be a daunting task, but with a few simple steps, you can quickly become an expert. Here’s how to read a land surveyor’s map:

1. Understand the map’s purpose. A land surveyor’s map is used to accurately measure and describe a piece of land. It will include information such as boundaries, topography, and other features.

2. Identify the scale. The scale of the map will tell you how much of the land is represented in the map. It is usually expressed as a ratio, such as 1:24,000, which means that one inch on the map represents 24,000 inches on the ground.

3. Locate the legend. The legend will tell you what symbols are used on the map and what they mean. It is usually located in the lower right corner of the map.

4. Identify the boundaries. The boundaries of the land will be marked with a solid line. The line may be straight or curved, and it will be labeled with the name of the boundary.

5. Identify the topography. The topography of the land will be represented by contour lines. These lines will be labeled with the elevation of the land.

6. Identify other features. The map may also include other features such as roads, rivers, and buildings. These features will be labeled with their name or symbol.

By following these steps, you can quickly become an expert at reading a land surveyor’s map. With a little practice, you’ll be able to accurately measure and describe any piece of land.

Interpreting Land Surveyor’s Symbols and Abbreviations

Interpreting land surveyor’s symbols and abbreviations can be a daunting task. However, with a basic understanding of the symbols and abbreviations used, it can be a straightforward process.

The most common symbols used by land surveyors are arrows, circles, and lines. Arrows indicate direction, circles indicate points of interest, and lines indicate boundaries. For example, an arrow pointing to the right may indicate the direction of a boundary line, while a circle may indicate a corner of a property.

Abbreviations are also commonly used by land surveyors. These abbreviations can vary depending on the region, but some of the most common include:

• N – North
• S – South
• E – East
• W – West
• R/W – Right of Way
• B/L – Boundary Line
• POB – Point of Beginning
• POC – Point of Curvature
• PC – Point of Change
• PI – Point of Intersection
• PT – Point

By understanding the symbols and abbreviations used by land surveyors, you can easily interpret the information they provide. With this knowledge, you can make informed decisions about your property and ensure that your boundaries are accurately defined.

Using a Compass and Clinometer to Read Land Survey Measurements

Using a compass and clinometer to read land survey measurements is a straightforward process that requires a basic understanding of the tools and the measurements. A compass is a navigational instrument used to determine direction, while a clinometer is an instrument used to measure angles of elevation or inclination.

To begin, the surveyor must first identify the direction of the survey line. This is done by using the compass to determine the direction of the line relative to the cardinal points of the compass. Once the direction is established, the clinometer is used to measure the angle of inclination of the survey line. This angle is then used to calculate the distance of the survey line.

The surveyor must also take into account any obstacles that may affect the accuracy of the measurements. This includes trees, buildings, and other structures that may obstruct the survey line. The surveyor must also consider the terrain of the area being surveyed, as this can affect the accuracy of the measurements.

Once the survey line is established, the surveyor can then use the compass and clinometer to measure the distance of the survey line. This is done by measuring the angle of inclination of the survey line and then multiplying it by the distance of the survey line. The result is the total distance of the survey line.

Using a compass and clinometer to read land survey measurements is a simple process that requires a basic understanding of the tools and the measurements. With a little practice, surveyors can easily and accurately measure the distance of a survey line.

Tips for Accurately Reading Land Survey Measurements

1. Familiarize yourself with the surveyor’s notes. Before attempting to read any measurements, it is important to understand the surveyor’s notes and the context of the survey.

2. Use the correct tools. Make sure you have the right tools for the job, such as a measuring tape, a level, and a plumb bob.

3. Measure twice. When taking measurements, it is important to measure twice to ensure accuracy.

4. Record measurements accurately. Make sure to record all measurements accurately and legibly.

5. Double-check your work. Before submitting your work, double-check all measurements to make sure they are correct.

6. Use a calculator. If necessary, use a calculator to double-check your work and ensure accuracy.

7. Ask questions. If you are unsure of any measurements or have any questions, make sure to ask the surveyor for clarification.

Q&A

1. What is a land survey?
A land survey is a process of measuring and mapping the features of a piece of land. It is used to determine the boundaries of a property, as well as the size, shape, and elevation of the land.

2. What types of measurements are used in a land survey?
A land survey typically uses linear measurements, such as feet, yards, and miles, as well as angular measurements, such as degrees, minutes, and seconds.

3. How do I read linear measurements on a land survey?
Linear measurements are typically read from left to right, starting with the smallest unit of measurement and working up to the largest. For example, a measurement of 10 feet, 5 inches would be read as 10′ 5″.

4. How do I read angular measurements on a land survey?
Angular measurements are typically read in the same way as linear measurements, but with the addition of a direction. For example, a measurement of 45 degrees, 30 minutes, 15 seconds would be read as 45° 30′ 15″ N (or S, E, or W).

5. What is the difference between a surveyor’s map and a topographic map?
A surveyor’s map is a map that is created by a surveyor to accurately depict the boundaries of a property. A topographic map is a map that shows the elevation of a piece of land, as well as other features such as rivers, lakes, and roads.

Conclusion

Reading measurements on a land survey can be a difficult task, but with practice and patience, it can be done. It is important to understand the different types of measurements used, such as linear, angular, and area measurements, and to be familiar with the units of measurement used. Additionally, it is important to understand the symbols and abbreviations used on the survey. With a good understanding of the basics of land surveying, it is possible to accurately read measurements on a land survey.