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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

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2016-17 CIPP Projects: Southeast Woodstock

Updated: November 13, 2017


Residents will be notified a few days before construction begins in each location. Work will be done in phases. Due to each phase requiring a specialized crew, there will be periods of inactivity between each phase.

The overall CIPP 2016-2017 Project is scheduled to be completed the winter of 2017.

For more information, questions or comments, please contact Matt Gough at or 503-823-5352


This project will primarily involve a cured-in-place pipe (CIPP) construction method for repairing the main line public sewer. There are other activities that will take place prior to and after the CIPP liner has been inserted into the main line public sewer pipe. Most of these activities are performed using a vactor truck, but some will require open trench excavation.

For information on the CIPP process, and other construction methods go to:

Construction phases are:

  • All sewer lines must be cleaned and videotaped first
  • Saw cutting of pavement as needed
  • Cleanouts will be installed in the right of way to allow by-pass pumping from each building
  • Connections from buildings to the sewer main repaired to the curb, open cut excavation
  • Cured-in-place pipe lining and reinstatement of connections
  • Connections from buildings to the sewer main repaired to the curb, CIPP liner
  • Videotaping of sewer line for final inspection and approval
  • Final restoration of work zones

There will be periods of inactivity ranging from a week to a month during each phase of the project

Map of CIPP projects in Woodstock