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A Guide for Dirt Pads and Compaction Tests

December 8, 2017

In this video with Haleigh, our team member, we talk about the importance of dirt pads for your home, how tall it needs to be and the explanation of compaction tests.

Why might I need a dirt pad?

There are four basic reasons why you may consider building a dirt pad for your new home.

  • The first and most common reason is that your property is in a flood zone.  If so, building your home up above the Base Flood Elevation, or BFE, is REQUIRED in all parishes in order to begin construction.
  • The second motivation would be if your property is not in a flood zone, but you’re still concerned about flooding.  At this point, no dirt pad is required, but it is MOST OFTEN the least expensive and most effective way to ensure your home will remain above any rising water in the case of flooding.
  • Another possibility would be if the ground where you want to build your home is not level.  A dirt pad can be used to level the property to ensure positive drainage away from the house.
  • Finally, a dirt pad can be built to achieve a certain home appearance.  If you want a “raised” look or brick steps leading up to your front porch, a dirt pad can be a great way to accomplish that.
How tall does my pad need to be?

The height of your pad will depend heavily on your property location and conditions.  Due to various parish and slab requirements, the minimum height for any dirt pad is 18” above undisturbed ground.  If you’re in a flood zone, most parishes require you to be at least 1’ above Base Flood Elevation.  Once you reach that minimum height, if you want your pad to be taller for either peace-of-mind or visual appeal, that’s entirely up to you!

What is a compaction test and why is it recommended?

A compaction test is used to verify that the pad upon which your home will be built is stable enough to bear the weight of your foundation. It is mainly made up of three soil samples, one from the center and two from opposite corners of your pad. The soil samples are tested to determine the density, moisture and compaction levels. A passing compaction test is 95% or greater on all three samples.  You will also want to have a compaction test completed for every 12” of dirt you build up.  This guarantees that each level of your dirt pad has been properly compacted to give your home the stability it needs. Remember, the foundation may not be the prettiest part of your home, but it is the most important.

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Manuel Builders is a family owned company that has been in business for over 50 years. We build residential homes on your lot and develop outstanding communities. We have built in Lafayette, Carencro, Broussard, Youngsville, Erath, Kaplan, Ville Platte, Lake Charles, Sulphur, Westlake, Moss Bluff, Iowa, Dequincy, Duson, Scott, Maurice, Anchorage, Port Allen, Brusly, Addis, Baton Rouge, Scotlandville, Merrydale, Monticello, Central, and surrounding cities in Louisiana. Manuel Builders reserves the right to make changes to speculative homes under construction. Colors, exterior finishes and square footage may vary from pictures and plans. Elevation Renderings could include optional features that are not included in the base price. Prices also subject to change without notice.

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