Foundation repair Solution using helical piles here on long island is the specialty of Helical Piles of New York a family owned and operated. In this video the solution was to unpin the existing foundation using Helical Piles. As you will see The water table is very high. Using Pull down micro piles encased in concrete to ad strength and avoid corrosion. Then the Helical Piles are attached to the existing foundation using large foundation Brackets.
This helical pile underpinning makes it possible to construct the new higher foundation directly on top of the old repaired Foundation.creating a Permanent foundation repair solution.
https://youtu.be/C90-edIv58E
http://helicalpilesny.com