An 84-inch brick-and-mortar interceptor, constructed in 1889, lay north of the proposed Minnesota Twins ballpark, but in the path of transportation improvements.Staff from the Metropolitan Council Environmental Services, the wastewater agency serving the Twin Cities, feared that driving the pilings to support the Northstar Commuter Rail to the stadium and a new west abutment to the Fifth Street Bridge could collapse the pipe. The council hired Brown and Caldwell, an engineering and consulting firm in St. Paul, to inspect the interceptor and recommend solutions. The assessment team found crown cracks, mineral deposits, two sagging areas, inward bulging near the pilings
