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 wastewa-ter 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.
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机译：格雷戈里·豪瑟（Gregory Hauser）笑着回忆起自己40多年的职业生涯中的所有隧道工作。不过，他说，没有什么比第27号工作更好。耗资18亿美元的Brightwater废水处理厂项目（其中包括13英里的深孔隧道）工作— 64岁的Hauser，位于密歇根州利沃尼亚的项目经理Jay Dee Construction帮助扭转了混乱的卡住隧道-使机器轻松无忧。
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