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Sewer M

Sewer System Improvements “M” Project


The project area is generally west and south of Providence Regional Medical Center, Everett (PRMCE) with boundaries as follows: north at 10th Street, west at Grand Avenue, south varies between 17th and 19th streets, and east varies between Colby and Rockefeller avenues. The total project area consists of approximately 30 city blocks or 112 acres and is almost exclusively single family residential neighborhoods and all within the NW Everett Neighborhood.


Click the link below to view the Project Vicinity Map and an Exhibit/Map showing the proposed sewer mains and storm drainage pipe network.


Project Vicinity Map


Exhibit/Project Phase 1 Map


Address Basement Flooding Problems:

The primary objective of this project is to address chronic basement flooding problems in the vicinity of Colby and Hoyt avenues and 15th Street. New storm drainage pipe would be extended and catch basin inlets constructed at most intersections along Hoyt and Colby avenues between 11th and 18th streets. This new storm drainage network would effectively separate stormwater runoff from the sewer collection system. Work would be done by open-cut pipe methods. In addition, the City will be asking homeowners to disconnect rain gutter downspouts from their side sewer pipe wherever possible. More information on that topic will be issued soon.


Replace Old Sewers:

In addition, many existing sewers, manholes, storm drain structures and side sewers in this area are very old and deteriorated or undersized and should be replaced soon. Approximately 12,000 feet of old combined sewer main and 500 side sewers could be replaced by this project. Most of these collection sewers are located in alleys. Work would be primarily by open-cut methods.



Streets that are impacted by the construction work are likely to be replaced with full-width asphalt paving including new curbs and sidewalks where necessary. Some streets may be patched and overlayed. Alleys will re-paved with full-width asphalt.


Control Combined Sewer Overflows (CSO):

As existing CSO pipe at 15th Street and Grand Avenue that periodically conveys excess wet weather flows from the neighborhood collection sewers to Port Gardner, was recently damaged by a landslide and needs to be replaced. The City is exploring alternatives for a new CSO pipe. One option is a trenchless installation at 14th Street and another is a utility bridge at 16th Street extending across the Burlington Northern Santa Fe rail yard and West Marine View Drive. The utility bridge alternative could be upgraded in the future for pedestrian use.



The City will hold at least two neighborhood open house meetings to present information about the project and address questions from the residents of the project area. Mailings will be sent out announcing meetings and furnishing updated information.


Approximate Schedule (subject to change)

Pre-design:                     October 2011 to April 2012

Detail design:                 August 2012 to October 2013

Bid & Construction:       January 2014 to May 2015


Public Notifications and Involvement:

Pre-design Notice September 30, 2011

Basement Survey October 17, 2011

Project Update Notice August 2, 2012

Open House Meeting November 7, 2012

Construction Vibrations Technical Memo December 18, 2012

Construction Vibrations Letter January 14, 2013




Dave Voigt, PE



Dave Voigt, PE
Project Manager

3200 Cedar St.
Everett, WA 98201

T: 425-257-8983
F: 425-257-8882
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