Updated April 17, 2018

Environmental Services is continuing construction on the Powell Sewer Repair Project in your neighborhood.  This project will replace and repair aging public sewer pipe ranging from 60 to 104 years old. Repairing and replacing aging sewer pipes protects water quality, public health and the environment.

Construction Schedule

Crews have completed sewer pipe repairs on SE Holgate Boulevard between SE 60th and 61st avenues using open trench construction.

• Crews have patched trenches used for construction with temporary pavement. Permanent patching will be scheduled during dry weather and as paving crews become available. 

Beginning Wednesday, April 18, crews will be working day and night to repair large diameter sewer pipe on Holgate Boulevard between SE 58^th and 60^th Avenues using a trenchless method called Cured-in-Place Pipe-Lining (CIPP) for two days.

• Crews will be repairing roughly 600 feet of main sewer pipe of 30 inches in diameter. Due to size of the sewer pipe and the need for an extended cure time, overnight hours are necessary. Crews will begin tomorrow morning at 7:00 a.m. and work continuously until Thursday evening. 
• Crews will also repair 120 feet of main sewer pipe (30-inch diameter) on Friday during daytime construction hours.

Trenchless sewer repairs in other parts of the project area using a method called Cured-in-Place Pipe-Lining (CIPP) are scheduled to begin May 2018.

• Work in most locations is expected to take one to two days. More time may be required where spot repairs are needed or additional work is identified.
• CIPP lining is highly weather dependent. For this reason, the contractor has been given a large window to complete lining repairs in your neighborhood.  CIPP lining activity will be sparse during wet months and increase during dry months. Residents near each location will be notified in advance of work.
• The map below shows locations where CIPP lining will occur in May.

More about Trenchless Sewer Construction

Sewer construction to date has focused on replacing and repairing sewer pipes using methods involving excavation. Environmental Services is now preparing for additional sewer repairs in your neighborhood in 2018, which will mainly use a construction method called Cured-in-Place Pipe-Lining (CIPP).

Cured-in-Place Pipe-Lining (CIPP)

CIPP lining is a trenchless method that requires little or no digging and significantly less time to complete.  Work crews access the sewer from manholes to insert a flexible liner inside the old pipe. The liner is inflated with air and exposed to ultraviolet light (UV) to gradually cure and harden the liner. As the liner hardens, it forms a rigid, smooth surface that seals cracks and restores the pipe to near-new condition. For more details about CIPP, visit www.portlandoregon.gov/bes/pipelining. 

2018 CIPP Lining Work Schedule

The Powell CIPP lining work is scheduled to begin this spring and all repairs are expected to be complete by winter 2018. Work in most locations is expected to take one to two days. More time may be required where spot repairs are needed or additional work is identified.

CIPP lining is highly weather dependent. For this reason, the contractor has been given a large window to complete lining repairs in your neighborhood.  CIPP lining activity will be low during wet months and increase during dry months. Residents near each location will be notified in advance of work.

For More Information

Contact Matt Gough 503-823-5352.

Please let us know if you have concerns such as business operations, disability issues or medical or business deliveries. As always, we’ll strive to provide quick response to your concerns, minimal disruption of your residence or commercial business, and open communication with you throughout the project.