WLSSD sewer project to impact Lakeside portion of Lakewalk

 

On Monday, the Western Lake Superior Sanitary District will begin a four-week project to refurbish 13 manholes on a section of its Lakeside Interceptor pipeline running from 47th Ave. E. to 41st Ave E. in Duluth.

The impacted section of Lakeside Interceptor runs beneath and adjacent to the City of Duluth’s Lakewalk. The Lakewalk will remain accessible throughout the project, and WLSSD cautions users to watch for pedestrian barriers and slight detours where needed.

“Our project will be noticeable, but it’s unlikely to cause much inconvenience,” said WLSSD Principal Engineer Dianne Mathews. “We could have some partial shoulder or lane closures on adjacent avenues, and no traffic impact is expected. There will be no sewer service interruptions during this project.”

All work will be completed between 7 a.m. and 7 p.m. Pedestrians within close proximity of the manholes related to this project could experience faint odors during work hours.

All travelers are advised to use caution, slow down and obey signage in the work area. The project will be completed late October.

WLSSD contractors will rehabilitate the manholes using a no-dig technique called Monoform whereby a new manhole is installed inside the existing manhole. It is done under live flow conditions by installing a form and pouring concrete with a corrosion resistance additive into the space between.

WLSSD’s Lakeside Interceptor pipeline was originally installed in 1967. The pipeline carries sewage from as far north as Knife River to WLSSD’s wastewater treatment plant in Duluth’s Lincoln Park.

WLSSD routinely monitors the condition of pipelines to ensure reliable services. This project is a planned replacement within WLSSD’s Interceptor Rehabilitation and Reliability program.

Western Lake Superior Sanitary District provides award-winning wastewater and solid waste services to residents, businesses and industries within its 530 square mile legislative boundaries in Southern St. Louis and northern Carlton counties, and is a nationally recognized leader in pollution prevention.

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