Helicals work best in loose and water-saturated soil and can ... generally more expensive than a comparable concrete footing. But because helical pier installation requires less labor, costs ...

1 - Builders construct a water-tight caisson ... as the foundation of the mighty pier. To fortify this foundation, the air chamber is filled with concrete and, as the men ascend to the surface ...

Pier and beam foundations are highly effective when maintained correctly, but their vulnerability to moisture-related damage make ...