Environmental Services is applying for a noise variance to allow open trench work and cured-in-place pipe lining at locations within this project. A variance is required when work occurs outside normal construction hours, 7:00 a.m. to 6:00 p.m. Monday through Saturday. This includes work after 6:00 p.m. and before 7:00 a.m., and all hours on Sunday. To see maps of locations visit this location: http://www.portlandoregon.gov/bes/article/578306.