This is a utility project which includes boring and jacking 15-inch sanitary sewer casing under 84th Street east of Alles Drive; sanitary sewer open-cut work on Alles Drive south of 84th Street; and water main tie-in work along north edge of 84th Street at Douglas Trail entrance. Utility work described is for Douglas Trail, a new residential development located on the north side of 84th Street at Alles Drive. Detour will be posted: 84th Street - Clyde Park Ave.