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Hillsdale Crest Sewer Repair Project

Construction type
Sewer and Stormwater
Project status

Environmental Services is repairing public sewer pipes in the Hillsdale, Bridlemile, and Southwest Hills neighborhoods of Southwest Portland. This project will help keep stormwater and groundwater out of sanitary sewers in the area.

Construction started in the Fall of 2020 and is anticipated to last about one year.

When stormwater and groundwater flows into sewer pipes designed to carry only sanitary sewage, it can cause sewer pipes to overflow and drain into ditches or nearby waterways. The Hillsdale Crest project will repair more than 16,000 linear feet of aging sewer pipe, much of which is more than 50 years old. The project will help keep stormwater and groundwater out of the system and ensure that the system has the capacity to safely carry sewage to treatment.

Project Area

What's Happening Now

Open-trench spot repairs have begun and will continue through the end of 2020.  Repair of the main sewer pipes using CIPP lining will begin in the spring of 2021.  

Work in the Public Right-of-Way

Most construction activities during this project will occur in the public right-of-way.. In the Hillsdale Crest project area, the public right-of-way often extends into what appears to be private property, including what may appear to be private yards. Crews may need to access these areas to inspect and repair public sewers.   

In the coming weeks, crews will be in the area to survey work locations and mark where the public right-of-way is in relation to private property. You may see paint marks or stakes in the ground marking this line. Please leave them in place for upcoming sewer repair activities. 

Look-Ahead Schedule

Over the next few weeks, crews are scheduled to work at the following locations (see project map for exact locations):  

Week of January 18 

  • Cleanout installations throughout project area 

  • Open trench spot repairs and installation of sewer laterals that connect the main sewer line and private laterals on  

    • SW Martins Lane 
    • SW 36th Avenue 
    • SW Hewett Boulevard near the intersection with SW Patton Road 
    • SW Hillside Drive between SW Patton Road and SW Grover Street 

Week of January 25 

  • Cleanout installations throughout project area 

  • Open trench spot repairs and installation of sewer laterals that connect the main sewer line and private laterals on SW Greenleaf Drive 

Week of February 1 

  • Cleanout installations throughout project area 

  • Open trench spot repairs and installation of sewer laterals that connect the main sewer line and private laterals on 

    • SW Greenleaf Drive 
    • SW Labbe Avenue north of SW Greenleaf Drive
    • SW Arthur Way north of SW Greenleaf Drive 
  • New manhole installation on SW Patton Road near its intersection with SW Grover Street 

Work schedules may change due to weather, conditions underground, traffic impacts, subcontractor schedules, and availability of materials. Our contractor will provide notice to residents and businesses near work zones prior to beginning work.   

We Want to Hear from You

Please let us know if you have a concern or question about this project. Be sure to include your name, property address, and project name (Hillsdale Crest) in your voicemail and email so we can provide you more details about what to expect in front of your property. Also, please write “Hillsdale Crest” in the subject line of your email.

Construction Methods

The contractor will use open trench excavation and cured-in-place-pipe lining (CIPP) to construct sewer and stormwater improvements. See the map above for the construction method at each location.

What to Expect

You can expect the following activities and impacts during construction:  

  • Work hours are 7:00 am to 6:00 pm Monday through Friday, but the contractor may schedule work during the same hours on Saturdays.  

  • Traffic delays should be expected in and near the work area. Please observe traffic control signs and flaggers. 

  • Local access to all properties will be maintained, but normal use of your driveway may be delayed or impacted. 

  • Equipment and materials may be stored on streets overnight. 

  • Little or no on‐street parking will be allowed in and near work zones, especially during work hours. 

  • Utility services (sewer, water, etc) will remain in service.  

CIPP Construction Odor

When heat (steam) is used to cure or harden the liner during CIPP, people who are nearby may smell an odor that is often described as being similar to plastic or glue. The odor is from the chemical styrene, which is in the resin of the liner. The resin is the part of the liner that reacts with heat and hardens. 

While unpleasant for some, the amount of airborne styrene generated by the CIPP process is not a health risk at the levels observed by the City of Portland and tested and monitored by an independent industrial hygienist. The odor dissipates quickly once the process is complete. 

To keep the resin odors from entering your home or business through your private sewer, fill any floor drains and infrequently used sinks with a small amount of water. This water will collect in the bend in the drain called and block odors from the sewer. 

To find out more about this process, please visit our CIPP information page at www.portlandoregon.gov/bes/pipelining.  

If you smell a chemical odor inside your home during pipe repairs or have other concerns related to the odor, please contact Taryn Meyer with our Coordinated Site Analysis Program. 

Email: Taryn.Meyer@portlandoregon.gov 

Phone: 503-823-8155

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