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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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Kenton Sewer Repair Project

Kenton Sewer Repair Project Construction Update: March 23, 2015

DEVELOPMENTS OF NOTE

This week, crews will begin preparing for pipe bursting on N McClellan Street. Work on McClellan and N Denver Avenue will take approximately three to four weeks. Individual notices will be given to residents and businesses affected by the work. During this period, McClellan (west of Denver) will be closed to through traffic. Traffic on Denver will be maintained in both directions but drivers should be aware of construction crews and traffic controls in place. To learn more about pipe bursting, please visit the link under FOR MORE INFORMATION explaining different types of construction methods employed by this project.

CONSTRUCTION SCHEDULE

Below is the anticipated construction schedule for the next two weeks. This schedule is subject to change due to a variety of factors, including underground conditions, weather, subcontractor schedules and availability of materials. As the contractor completes construction on each street, work crews apply a temporary asphalt patch. They will return at a later date to apply permanent paving.

As weather and availability of work crews and equipment allow, crews are beginning to do final paving on streets where sewer repairs are complete. Due to these circumstances, paving work may occur that is not part of this notice and some scheduled final paving may be delayed.

Week of March 23th:

  • Kenton Park – Finish replacement of manhole in south end of the park, reseed grass. Orange construction fencing will remain in place and some pathways may remain closed to public access to protect reseeding areas for two to three weeks.
  • N McClellan Street (between Brandon and Denver) – Begin replacement of laterals, set up and prepare for pipe bursting, including cutting around manholes. McClellan will be closed to through traffic during pipe bursting activities. No street parking will be available from 7 a.m. to 6 p.m. and cars left on the street after 7 a.m. will be towed.

Week of March 30th:

  • N McClellan Street (between Brandon and Denver) – Pipe bursting, continued replacement of laterals. McClellan will be closed to through traffic during pipe bursting activities. No street parking will be available from 7am to 6pm and cars left on the street after 7 a.m. will be towed.

Timing tentative – Final paving on N Schofield (between Brandon and Delaware) – please be aware of no parking signs.

Construction Methods

The city's contractor is using a combination of open trench construction, cured-in-place-pipe lining, and pipe bursting. Go to www.portlandoregon.gov/bes/64780 for more information about sewer construction methods.

Night Work at Several Locations

The Portland Noise Control Office granted Environmental Services a noise variance for nighttime construction at several locations in this project (see map below).

A city inspector will be on-site during this night work. To report concerns during night work, please call the on-site hotline at 503-823-8458. You may also call the Portland Noise Control Office at 503-823-7350 or email noise@portlandoregon.gov.

Cured-in-place Pipe Lining Locations

The contractor will use cured-in-place pipe lining (CIPP) to repair several sewers. Work crews may install lining at night at some locations because of the size of the pipe. Work at each location should take no more than a few days. People who live and work near a CIPP repair project can sometimes smell a chemical odor during pipe-lining. The odor is from the chemical styrene, which is in the resin liner installed inside the pipe. The odor dissipates quickly once the installation process is complete. The amount of airborne styrene the repair process produces is not a human health risk. Go to www.portlandoregon.gov/bes/article/467513 for more information about CIPP construction.

Project Area Map

The map below shows the location of pipes we will repair or replace. There may be temporary traffic controls, construction signage or increased traffic volume and parking on nearby streets.

Kenton Sewer Repair Map

What to Expect during Construction

  • Construction creates noise, vibration and dust and disrupts normal neighborhood activity.
  • Typical construction hours will be 7:00 a.m. to 6:00 p.m. Monday through Friday. If needed, the contractor may work the same hours on Saturday. The contractor will work at night to complete the cured-in-place pipe lining on larger pipes in several locations (see map). One location will require nighttime work to complete the open trench sewer repair. To minimize daytime traffic disturbance on N Interstate Avenue, sewer construction in the intersection of N Russet Street and N Interstate Avenue will require night work for no more than five days. We will notify residents in advance of night work.
  • Please stay clear of all construction activities and keep children, pets and vehicles out of construction areas.
  • On-street parking in or near the work area may be limited. Please observe no parking signs.
  • Equipment and materials may be stored on nearby streets overnight.
  • The contractor will maintain local access on streets, but you should expect delays. In some cases, construction activities may impact normal use of your driveway.
  • Sewer construction generally occurs in the street. However, in a few areas the contractor will have to cut into sidewalks and driveway edges then restore the areas. Construction may also affect the planting strip, the area between the curb and sidewalk. We will notify property owners where this may occur.
  • During construction, the city’s contractor will use by-pass pumps to maintain sewer service. If a short, temporary sewer service shut-off is necessary to relocate a line, the contractor will notify property owners in advance.
  • Construction near an individual property could last a few weeks. This may seem longer where the work extends on the same street for a block or more. Sewer construction has many phases, and there may be periods of inactivity between construction phases at each site.
  • A city inspector will be on-site during work hours and may be able to assist you with concerns. Inspectors wear a hard hat and a safety vest with “City of Portland” on the back.

For More Information

To report concerns during night work, please call the on-site hotline at 503-823-8458. You may also call Portland Noise Control Office at 503-823-7350 or email noise@portlandoregon.gov. If you have other questions about the project, contact Andrew Yaden at 503-329-2693 or andrew@loisdcohen.com.  To receive regular email updates about this project, please send an email to Andrew with “Kenton” in the subject line.