The Pool That Sank a House | 43 Steel Piers Driven 30ft Deep to Save It What happens when a pool leak turns the ground beneath your home into quicksand? That’s exactly what happened here in Tyler, Texas — a leaking pool caused the sandy soil to collapse, pulling the foundation down more than 2.5 inches. After seven days of nonstop work, our crew finished a massive repair: 43 deep steel piers driven about 30 feet into solid load-bearing strata 8 steel plates to reinforce weak zones without interi