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Richland County approves change order to replace deteriorated manhole, add isolation valves at wastewater project
Summary
Wastewater director Amanda Miller told commissioners a Myers Avenue manhole had deteriorated and could cause force-main failure; the board agreed to a change order to install a new ‘dog house’ manhole, core the force main into it, abandon the old manhole, and add isolation valves for safer testing and maintenance, funded from wastewater capital.
Amanda Miller, director of Richland County’s wastewater treatment plant, asked the commissioners to approve a change order after contractors and engineers identified a deteriorated manhole on Myers Avenue that cannot safely receive a force-main tie-in.
“This manhole has deteriorated to the point that if they do try to tie into that, it is going to fail,” Miller said, describing the risk to the existing force main and explaining why the…
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