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Grandview City Council receives good news on liner

GRANDVIEW - The news delivered to the Grandview City Council last week regarding the liner to the wastewater treatment plant was positive.

Dave Lorenz told the council the liner will not need to be replaced. Instead, several tears will need to be repaired, which will cost the city less money than was estimated at the April 25 council meeting.

Lorenz told the council members it is believed the tears were the result of a repair completed on an aerator in May 2011, as well as a rock that rolled under the lagoon liner when it was constructed in 2000.

Those tears allowed water to filter under the liner, resulting in the bubble that was discovered last month.

"We moved from a major replacement to a simple maintenance project," said Lorenz.

He told the city council members the wastewater treatment plant is not in emergency mode and wastewater is still being treated. There isn't any violation of the wastewater treatment permits, either.

That's because wastewater is diverted around the lagoon and continues to be treated in accordance with ecology laws and regulations.

Northwest Linings and Geotextile Products in Kent can complete the repairs. The city, said Lorenz, will work with the company to complete the repairs on the company's timeline, saving money.

An estimate for the cost of repairs to the lagoon's liner was not provided, but Lorenz said the project should take approximately one week once repairs begin.

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