A classroom building on the University of Wisconsin-Madison campus was evacuated on Tuesday after a water main broke at the construction site next door.
Construction workers identified the break at the site of the new microbiology building, being built where E.B. Fred Hall had been, mid-morning on Tuesday, said John Harrod, UW-Madison’s director of physical plant. University officials were worried the water would destabilize the soil and loosen the foundations of Hiram Smith Hall, 1545 Observatory Drive, Harrod said.