Piers are used for several different reasons. In the case of your existing home, it appears that piers were used to raise the home above the 100year flood plain. If the grade of your new home is above the flood plain, piers would probably not be needed. Piers are sometimes used to go deeper into the earth to find sufficient bearing soil. All soils are different depending on location. Consult a geotechnical engineer to find out the soil conditions of your new home. As long as you have good soil conditions and are above flood plain, you should be able to just pour footers. |
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