City of Portland SE 14th and Rhine Sewer Extension

Interlaken recently completed another sanitary sewer mainline extension for the City of Portland Bureau of Environmental Services. The project encompassed installation of over 250′ of 8″ PVC pipe, 4 sanitary service laterals, and one sanitary manhole.


We also are utilizing our Operators Apprentice from the Northwest College of Construction. Below is a photo of him performing trench backfill. To learn more about the NWCC Apprenticeship Program click here.

I must say, it was a beautiful day for a site visit!
Site Visit

And last, but not least, the finished product!

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