Noise will come in three to four hour spurts over the course of ten days

by: SUBMITTED PHOTO - A pressurized hammer will be used to install 60-inch steel pipe casing at the LOT horizontal drilling site, causing an increase in noise for about two weeks. Residents who live near the Lake Oswego-Tigard Water Treatment project's horizontal directional drilling site just north of Mary S. Young Park should expect a sharp increase in noise over the course of about two weeks, starting either today or tomorrow.

City officials were informed Wednesday that the noise and vibrations will increase in three to four hour spurts as a result of pipe casing hammering, or “pipe ramming.” Pipe casing is done to protect the pipe that will eventually be installed under the Willamette River.

“So you get (the noise) at like 9 in the morning one day, and then you’ll hear the noise again maybe the next afternoon and then maybe two days later,” City Manager Chris Jordan said.

Over the two weeks of pipe ramming, residents will experience about 20 hours of “really intense” noise, Jordan said.

The horizontal direction drilling site is located at the end of Mapleton Drive.

LOT plans to assist those affected by the noise on a case-by-case basis. The city, meanwhile, plans to open up its new small business center at the West Linn Public Library, so that residents with home-based businesses can utilize a quiet office space with Wi-Fi and photo copying capabilities.

It’s an early opening for the small business center, which has yet to be fully completed, but the space is well-equipped for basic business needs, Assistant City Manager Kirsten Wyatt said.

“And the library will know that people are coming in for that service,” Wyatt said.

The intense periods of noise, according to LOT, will not begin before 9 a.m. (LOT workers are allowed to begin working at 7 a.m. during weekdays), and it will not occur during the Fourth of July weekend.

“From what we understood, this next two week period should be the most intense noise during the summer,” Jordan said. “The next (period of loud noise) is not for another six months.”

Though LOT has a timeline of two weeks to complete the work, spokesperson Katy Fulton noted that the schedule depends on ground conditions and is therefore not set in stone.

Residents with concerns may contact the city, but Jordan and Wyatt said the best course of action would be to contact LOT directly. The LOT hotline is 503-697-6502.

“We want to be as responsive to our residents as we can,” Wyatt said. “But at the same time, I don’t think we’ll be able to do as much as if they work with the partnership directly.”

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