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What You Should Know About Subsurface Investigation

By Kathleen Hughes


For a building to remain in good condition for many years, it has to have been well constructed. This means hiring professionals to handle every part of the process, from the planning to the erection of the construction. If you work with an honest contractor, they will tell you that before they can do the foundation subsurface investigation need to be conducted.

Knowing what is under the top soil on your property is important whether you want to erect a building or build a pipeline. During these investigations, experts will come to the site and use a variety of methods to conduct their test. The purpose of these surveys is to see whether that area is contaminated and also to see the chemical properties of the soil water and rocks in this field.

To be thorough, some people will also evaluate how the area would fair in the event of seismic activity. Mainly for this, they will look at the soil, rocks and the records. This way, you will know in advance whether it is safe to do any construction in the area, and what measures you should take to safeguard whatever structure you establish.

The entire process can be a bit confusing because it is done at the site and in a laboratory. When the investigators come to see the site, they will inspect it visually and also collect samples of soil, water, and stones. This will then be taken through a battery of tests to check for contaminants and to determine their composition. The results are then handed back to the investigator to them to make their remarks and recommendations.

An expert should do the subsurface testing. Ideally, this should be someone who has studied engineering or geology or both. This way they can interpret the information they get and then offer you recommendations based on that data. You should, therefore, only work with firms that have the right personnel for the job.

Specialized machines will also be required for this work, and your professional should have this. Proper tools will warrant accurate results and also quick work. If you hire someone who has the know-how but no tools, you might have to do the running around trying to get them the equipment required.

Before anyone can start digging holes at the site, you need to get the required approval. Since getting these permits may take a while, it is advisable to apply for them early, so that it does not interfere with your schedule. You can choose to apply for this in person, but things might move faster if the expert you hire does this for you.

Getting this procedure done will cost you quite a bit of money, but it will be worth it. It will determine whether the site is safe and also what you can do to reinforce your construction. In case you overlook this process you might find that the foundation was not thick or deep enough, and because of the poor state of that soil, or a high water table, your building has developed cracks or collapsed.




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