Gregory Hauser laughs when he tries to recollect all the tunneling jobs in his 40-plus-year career. However, nothing compares to job No. 27, he says. Working on the $1.8-billion Brightwater wastewater treatment plant project—which included 13 miles of deep-bore tunneling—Hauser, 64, project manager for Livonia, Mich.-based Jay Dee Construction, helped to turn a bungled mess of stuck tunnel-boring machines into a hassle-free job.